{"transactions":[{"id":1889130,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":6,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-17T16:05:58.000Z","date":"2023-05-15","kind":"sale","planned":false,"acquired":false,"shares":5215886,"price":7.6888,"value":40103904.2768,"ownership":{"direct":false,"nature":"By CCMP Co-Invest III A, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-013182","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323013182/doc4.xml","form_type":"4"}},{"id":1889129,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":6,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-17T16:05:58.000Z","date":"2023-05-15","kind":"sale","planned":false,"acquired":false,"shares":975677,"price":7.6888,"value":7501785.3176,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-013182","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323013182/doc4.xml","form_type":"4"}},{"id":1889128,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":6,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-17T16:05:58.000Z","date":"2023-05-15","kind":"sale","planned":false,"acquired":false,"shares":16263437,"price":7.6888,"value":125046314.4056,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-013182","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323013182/doc4.xml","form_type":"4"}},{"id":1895131,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-12T16:01:21.000Z","date":"2023-05-12","kind":"sale","planned":false,"acquired":false,"shares":118423,"price":11.75,"value":1391470.25,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold by the reporting person were part of the underwriter's complete exercise of the option to purchase an additional 3,150,000 shares of the Issuer's common stock in connection with the Offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":836843,"source":{"system":"sec-edgar","filing":"0001104659-23-059702","document":"tm2315516-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923059702/tm2315516-1_4seq1.xml","form_type":"4"}},{"id":1895130,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-12T16:01:21.000Z","date":"2023-05-12","kind":"sale","planned":false,"acquired":false,"shares":1918471,"price":11.75,"value":22542034.25,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold by the reporting person were part of the underwriter's complete exercise of the option to purchase an additional 3,150,000 shares of the Issuer's common stock in connection with the Offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":13557066,"source":{"system":"sec-edgar","filing":"0001104659-23-059702","document":"tm2315516-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923059702/tm2315516-1_4seq1.xml","form_type":"4"}},{"id":1895129,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-12T16:01:21.000Z","date":"2023-05-10","kind":"sale","planned":false,"acquired":false,"shares":789484,"price":11.75,"value":9276437.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of an underwritten secondary offering (the \"Offering\") of 21,000,000 shares of the Issuer's common stock which closed on May 10, 2023."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":955266,"source":{"system":"sec-edgar","filing":"0001104659-23-059702","document":"tm2315516-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923059702/tm2315516-1_4seq1.xml","form_type":"4"}},{"id":1895128,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-05-12T16:01:21.000Z","date":"2023-05-10","kind":"sale","planned":false,"acquired":false,"shares":12789809,"price":11.75,"value":150280255.75,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of an underwritten secondary offering (the \"Offering\") of 21,000,000 shares of the Issuer's common stock which closed on May 10, 2023."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":15475537,"source":{"system":"sec-edgar","filing":"0001104659-23-059702","document":"tm2315516-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923059702/tm2315516-1_4seq1.xml","form_type":"4"}},{"id":1966069,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":1736133,"price":9.95,"value":17274523.35,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966068,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":123059,"price":9.95,"value":1224437.05,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966067,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":1878125,"price":9.95,"value":18687343.75,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966066,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":93947,"price":9.95,"value":934772.65,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966065,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":1660544,"price":9.95,"value":16522412.8,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966064,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":552064,"price":9.95,"value":5493036.8,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966063,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:15:12.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":5446572,"price":9.95,"value":54193391.4,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-007345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007345/doc4.xml","form_type":"4"}},{"id":1966062,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":6,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:05:44.000Z","date":"2023-03-03","kind":"sale","acquired":false,"shares":6678097,"price":8,"value":53424776.0,"ownership":{"direct":false,"nature":"By CCMP Co-Invest III A, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5215886,"source":{"system":"sec-edgar","filing":"0000899243-23-007339","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007339/doc4.xml","form_type":"4"}},{"id":1966061,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":6,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:05:44.000Z","date":"2023-03-03","kind":"sale","acquired":false,"shares":1249198,"price":8,"value":9993584.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":975677,"source":{"system":"sec-edgar","filing":"0000899243-23-007339","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007339/doc4.xml","form_type":"4"}},{"id":1966060,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":6,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:05:44.000Z","date":"2023-03-03","kind":"sale","acquired":false,"shares":20822705,"price":8,"value":166581640.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":16263437,"source":{"system":"sec-edgar","filing":"0000899243-23-007339","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924323007339/doc4.xml","form_type":"4"}},{"id":1966059,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:01:17.000Z","date":"2023-03-06","kind":"sale","acquired":false,"shares":90227,"price":11.52,"value":1039415.04,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold by the reporting person were part of the underwriter's complete exercise of the option to purchase an additional 2,400,000 shares of the Issuer's common stock in connection with the Offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":1744750,"source":{"system":"sec-edgar","filing":"0001104659-23-029527","document":"tm238661-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923029527/tm238661-1_4seq1.xml","form_type":"4"}},{"id":1966058,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:01:17.000Z","date":"2023-03-06","kind":"sale","acquired":false,"shares":1461693,"price":11.52,"value":16838703.36,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Shares sold by the reporting person were part of the underwriter's complete exercise of the option to purchase an additional 2,400,000 shares of the Issuer's common stock in connection with the Offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":28265346,"source":{"system":"sec-edgar","filing":"0001104659-23-029527","document":"tm238661-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923029527/tm238661-1_4seq1.xml","form_type":"4"}},{"id":1966057,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:01:17.000Z","date":"2023-03-03","kind":"sale","acquired":false,"shares":601512,"price":11.52,"value":6929418.24,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of an underwritten secondary offering (the \"Offering\") of 16,000,000 shares of the Issuer's common stock which closed on March 3, 2023."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":1834977,"source":{"system":"sec-edgar","filing":"0001104659-23-029527","document":"tm238661-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923029527/tm238661-1_4seq1.xml","form_type":"4"}},{"id":1966056,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-03-07T16:01:17.000Z","date":"2023-03-03","kind":"sale","acquired":false,"shares":9744617,"price":11.52,"value":112257987.84,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of an underwritten secondary offering (the \"Offering\") of 16,000,000 shares of the Issuer's common stock which closed on March 3, 2023."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and the other stockholders named therein pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them. By virtue of the Stockholders' Agreement, the CCMP Investors and MSD may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":29727039,"source":{"system":"sec-edgar","filing":"0001104659-23-029527","document":"tm238661-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465923029527/tm238661-1_4seq1.xml","form_type":"4"}},{"id":2110364,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":3040758,"price":7.8788,"value":23957524.1304,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1736133,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2110363,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":215530,"price":7.8788,"value":1698117.764,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":123059,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2110362,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":3289453,"price":7.8788,"value":25916942.2964,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1878125,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2110361,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":164543,"price":7.8788,"value":1296401.3884,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":93947,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2110360,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":2908370,"price":7.8788,"value":22914465.556,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1660544,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2110359,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":966918,"price":7.8788,"value":7618153.5384,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":552064,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2110358,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-18T16:23:11.000Z","date":"2022-11-17","kind":"sale","acquired":false,"shares":9539428,"price":7.8788,"value":75159245.3264,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5446572,"source":{"system":"sec-edgar","filing":"0000899243-22-036369","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322036369/doc4.xml","form_type":"4"}},{"id":2112252,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-17T16:05:36.000Z","date":"2022-11-15","kind":"sale","acquired":false,"shares":300756,"price":9.86,"value":2965454.16,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":2436489,"source":{"system":"sec-edgar","filing":"0001104659-22-119887","document":"tm2230830-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922119887/tm2230830-1_4seq1.xml","form_type":"4"}},{"id":2112251,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-17T16:05:36.000Z","date":"2022-11-15","kind":"sale","acquired":false,"shares":4872308,"price":9.86,"value":48040956.88,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":39471656,"source":{"system":"sec-edgar","filing":"0001104659-22-119887","document":"tm2230830-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922119887/tm2230830-1_4seq1.xml","form_type":"4"}},{"id":2121221,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":7,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":8,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-09T16:12:14.000Z","date":"2022-11-07","kind":"sale","acquired":false,"shares":1951166,"price":7.1336,"value":13918837.7776,"ownership":{"direct":false,"nature":"By CCMP Co-Invest III A, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP  Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of  CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and  dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP  Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of  these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the  Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":11893983,"source":{"system":"sec-edgar","filing":"0001104659-22-116481","document":"tm2230155-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922116481/tm2230155-2_4seq1.xml","form_type":"4"}},{"id":2121220,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":7,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":8,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-09T16:12:14.000Z","date":"2022-11-07","kind":"sale","acquired":false,"shares":364983,"price":7.1336,"value":2603642.7288,"ownership":{"direct":false,"nature":"By CCMP CAPITAL INVESTORS III (EMPLOYEE), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP  Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of  CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and  dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP  Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of  these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the  Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2224875,"source":{"system":"sec-edgar","filing":"0001104659-22-116481","document":"tm2230155-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922116481/tm2230155-2_4seq1.xml","form_type":"4"}},{"id":2121219,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":7,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":8,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-11-09T16:12:14.000Z","date":"2022-11-07","kind":"sale","acquired":false,"shares":6083851,"price":7.1336,"value":43399759.4936,"ownership":{"direct":false,"nature":"By CCMP CAPITAL INVESTORS III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP  Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of  CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and  dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP  Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of  these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the  Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":37086142,"source":{"system":"sec-edgar","filing":"0001104659-22-116481","document":"tm2230155-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922116481/tm2230155-2_4seq1.xml","form_type":"4"}},{"id":2189536,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":294633,"price":8.3563,"value":2462041.7379,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":4776891,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189535,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":20884,"price":8.3563,"value":174512.9692,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":338589,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189534,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":318730,"price":8.3563,"value":2663403.499,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5167578,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189533,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":15943,"price":8.3563,"value":133224.4909,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":258490,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189532,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":281805,"price":8.3563,"value":2354847.1215,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":4568914,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189531,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":93689,"price":8.3563,"value":782893.3907,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1518982,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189530,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-10","kind":"sale","acquired":false,"shares":924316,"price":8.3563,"value":7723861.7908,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":14986000,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189529,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":1964217,"price":8.3563,"value":16413586.5171,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5071524,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189528,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":139226,"price":8.3563,"value":1163414.2238,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":359473,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189527,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":2124864,"price":8.3563,"value":17756001.0432,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":5486308,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189526,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":106288,"price":8.3563,"value":888174.4144,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":274433,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189525,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":1878698,"price":8.3563,"value":15698964.0974,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":4850719,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189524,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":624593,"price":8.3563,"value":5219286.4859,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1612671,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2189523,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":4,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":6,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-08-10T16:15:55.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":6162114,"price":8.3563,"value":51492473.2182,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":15910316,"source":{"system":"sec-edgar","filing":"0000899243-22-028256","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322028256/doc4.xml","form_type":"4"}},{"id":2265777,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-18T17:13:53.000Z","date":"2022-05-17","kind":"sale","acquired":false,"shares":125753,"price":13.8838,"value":1745929.5014,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of the underwriters' partial exercise of the option to purchase an additional 3,345,000 shares of the Issuer's common stock in connection with the underwritten secondary offering previously disclosed on the reporting person's Form 4 filed May 6, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":2737245,"source":{"system":"sec-edgar","filing":"0001104659-22-062505","document":"tm2215994-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922062505/tm2215994-1_4seq1.xml","form_type":"4"}},{"id":2265776,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-18T17:13:53.000Z","date":"2022-05-17","kind":"sale","acquired":false,"shares":2037234,"price":13.8838,"value":28284549.4092,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of the underwriters' partial exercise of the option to purchase an additional 3,345,000 shares of the Issuer's common stock in connection with the underwritten secondary offering previously disclosed on the reporting person's Form 4 filed May 6, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":44343964,"source":{"system":"sec-edgar","filing":"0001104659-22-062505","document":"tm2215994-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922062505/tm2215994-1_4seq1.xml","form_type":"4"}},{"id":2279366,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-06T16:14:26.000Z","date":"2022-05-05","kind":"sale","acquired":false,"shares":902267,"price":13.8838,"value":12526894.5746,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of an underwritten secondary offering of 24,000,000 shares of the Issuer's common stock which closed on May 5, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":2862998,"source":{"system":"sec-edgar","filing":"0001104659-22-056994","document":"tm2214775-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922056994/tm2214775-1_4seq1.xml","form_type":"4"}},{"id":2279365,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-05-06T16:14:26.000Z","date":"2022-05-05","kind":"sale","acquired":false,"shares":14616926,"price":13.8838,"value":202938477.1988,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares sold by the reporting person were part of an underwritten secondary offering of 24,000,000 shares of the Issuer's common stock which closed on May 5, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":46381198,"source":{"system":"sec-edgar","filing":"0001104659-22-056994","document":"tm2214775-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922056994/tm2214775-1_4seq1.xml","form_type":"4"}},{"id":2294847,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":6,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-04-19T16:05:13.000Z","date":"2022-04-18","kind":"sale","acquired":false,"shares":2868151,"price":10,"value":28681510.0,"ownership":{"direct":false,"nature":"By CCMP Co-Invest III A, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":13845149,"source":{"system":"sec-edgar","filing":"0000899243-22-015058","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322015058/doc4.xml","form_type":"4"}},{"id":2294846,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":6,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-04-19T16:05:13.000Z","date":"2022-04-18","kind":"sale","acquired":false,"shares":536514,"price":10,"value":5365140.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2589858,"source":{"system":"sec-edgar","filing":"0000899243-22-015058","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322015058/doc4.xml","form_type":"4"}},{"id":2294845,"issuer":{"id":4721,"kind":"organization","name":"Hillman Solutions Corp.","symbol":"HLMN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113403,"kind":"organization","name":"CCMP Co-Invest III A, L.P.","position":5,"cik":"0001615462","reported_name":"CCMP Co-Invest III A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":6,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113405,"kind":"organization","name":"CCMP Co-Invest III A GP, LLC","position":7,"cik":"0001718021","reported_name":"CCMP Co-Invest III A GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":8,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-04-19T16:05:13.000Z","date":"2022-04-18","kind":"sale","acquired":false,"shares":8943068,"price":10,"value":89430680.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of CCMP Co-Invest III A, L.P. (\"CCMP Co-Invest\"). CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\") and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors and CCMP Co-Invest, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hillman Solutions Corp. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":43169993,"source":{"system":"sec-edgar","filing":"0000899243-22-015058","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924322015058/doc4.xml","form_type":"4"}},{"id":2333376,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-03-15T19:51:32.000Z","date":"2022-03-11","kind":"other","acquired":false,"shares":237206,"price":19.8,"value":4696678.8,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares acquired by the Issuer in a privately negotiated transaction as part of the Issuer's stock repurchase program as was previously disclosed on the Issuer's Current Report on Form 8-K dated January 25, 2022. As noted in such Form 8-K, the repurchase and price per share were separately approved by an independent committee of the Issuer's board of directors and the above price per share is the same at which the reporting persons sold shares on January 24, 2022 in a block trade in compliance with Rule 144. The repurchase was subject to the satisfaction of certain conditions which occurred on March 11, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":3765265,"source":{"system":"sec-edgar","filing":"0001104659-22-034091","document":"tm229408-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922034091/tm229408-1_4seq1.xml","form_type":"4"}},{"id":2333375,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-03-15T19:51:32.000Z","date":"2022-03-11","kind":"other","acquired":false,"shares":3842794,"price":19.8,"value":76087321.2,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares acquired by the Issuer in a privately negotiated transaction as part of the Issuer's stock repurchase program as was previously disclosed on the Issuer's Current Report on Form 8-K dated January 25, 2022. As noted in such Form 8-K, the repurchase and price per share were separately approved by an independent committee of the Issuer's board of directors and the above price per share is the same at which the reporting persons sold shares on January 24, 2022 in a block trade in compliance with Rule 144. The repurchase was subject to the satisfaction of certain conditions which occurred on March 11, 2022."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the Issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":60998124,"source":{"system":"sec-edgar","filing":"0001104659-22-034091","document":"tm229408-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922034091/tm229408-1_4seq1.xml","form_type":"4"}},{"id":2425257,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-01-26T17:24:41.000Z","date":"2022-01-24","kind":"sale","acquired":false,"shares":156666,"price":19.8,"value":3101986.8,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4"}],"balance_after":4002471,"source":{"system":"sec-edgar","filing":"0001104659-22-007888","document":"tm224565-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922007888/tm224565-1_4seq1.xml","form_type":"4"}},{"id":2425256,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-01-26T17:24:41.000Z","date":"2022-01-24","kind":"sale","acquired":false,"shares":2538030,"price":19.8,"value":50252994.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4"}],"balance_after":64840918,"source":{"system":"sec-edgar","filing":"0001104659-22-007888","document":"tm224565-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465922007888/tm224565-1_4seq1.xml","form_type":"4"}},{"id":2463955,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":118419,"price":9.12,"value":1079981.28,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7035741,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2463954,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":8394,"price":9.12,"value":76553.28,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":498699,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2463953,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":128104,"price":9.12,"value":1168308.48,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7611172,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2463952,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":6408,"price":9.12,"value":58440.96,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":380721,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2463951,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":113263,"price":9.12,"value":1032958.56,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":6729417,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2463950,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":37655,"price":9.12,"value":343413.6,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2237264,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2463949,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-12-20T20:58:03.000Z","date":"2021-12-20","kind":"sale","acquired":false,"shares":371502,"price":9.12,"value":3388098.24,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":22072430,"source":{"system":"sec-edgar","filing":"0000899243-21-049060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321049060/doc4.xml","form_type":"4"}},{"id":2498358,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":789459,"price":9.12,"value":7199866.08,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7154160,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2498357,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":55958,"price":9.12,"value":510336.96,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":507093,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2498356,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":854026,"price":9.12,"value":7788717.12,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7739276,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2498355,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":42720,"price":9.12,"value":389606.4,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":387129,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2498354,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":755087,"price":9.12,"value":6886393.44,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":6842680,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2498353,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":251036,"price":9.12,"value":2289448.32,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2274919,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2498352,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-11-23T16:30:16.000Z","date":"2021-11-23","kind":"sale","acquired":false,"shares":2476680,"price":9.12,"value":22587321.6,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Ecovyst Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Ecovyst Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":22443932,"source":{"system":"sec-edgar","filing":"0000899243-21-045783","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321045783/doc4.xml","form_type":"4"}},{"id":2727426,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":185029,"price":13.44,"value":2486789.76,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7943619,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2727425,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":13115,"price":13.44,"value":176265.6,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":563051,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2727424,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":200162,"price":13.44,"value":2690177.28,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":8593302,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2727423,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":10012,"price":13.44,"value":134561.28,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":429849,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2727422,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":176974,"price":13.44,"value":2378530.56,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7597767,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2727421,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":58838,"price":13.44,"value":790782.72,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2525955,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2727420,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":5,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":7,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":8,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":9,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":10,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-05T16:16:28.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":580472,"price":13.44,"value":7801543.68,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":24920612,"source":{"system":"sec-edgar","filing":"0000899243-21-018348","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000089924321018348/doc4.xml","form_type":"4"}},{"id":2733093,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":1233530,"price":13.44,"value":16578643.2,"ownership":{"direct":false,"nature":"Quartz Co-Invest L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Co-Invest III A GP, LLC (\"CCMP Co-Invest GP\") is the general partner of Quartz Co-Invest, L.P. (\"Quartz\" and, together with the CCMP Capital Funds, the \"CCMP Investors\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":8128648,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2733092,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":87434,"price":13.44,"value":1175112.96,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-10), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":576166,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2733091,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":1334416,"price":13.44,"value":17934551.04,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-9), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":8793464,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2733090,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":66749,"price":13.44,"value":897106.56,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-8), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":439861,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2733089,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":1179824,"price":13.44,"value":15856834.56,"ownership":{"direct":false,"nature":"CCMP Capital Investors III (AV-7), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":7774741,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2733088,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":392244,"price":13.44,"value":5271759.36,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2584793,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2733087,"issuer":{"id":4897,"kind":"organization","name":"Ecovyst Inc.","symbol":"ECVT"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":3,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115846,"kind":"organization","name":"CCMP Capital Investors III (AV-7), L.P.","position":5,"cik":"0001718031","reported_name":"CCMP Capital Investors III (AV-7), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115847,"kind":"organization","name":"CCMP Capital Investors III (AV-8), L.P.","position":6,"cik":"0001718033","reported_name":"CCMP Capital Investors III (AV-8), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115848,"kind":"organization","name":"CCMP Capital Investors III (AV-9), L.P.","position":7,"cik":"0001718030","reported_name":"CCMP Capital Investors III (AV-9), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115849,"kind":"organization","name":"CCMP Capital Investors III (AV-10), L.P.","position":8,"cik":"0001718032","reported_name":"CCMP Capital Investors III (AV-10), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":115845,"kind":"organization","name":"Quartz Co-Invest, L.P.","position":9,"cik":"0001620042","reported_name":"Quartz Co-Invest, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":10,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-03T16:20:01.000Z","date":"2021-05-03","kind":"sale","acquired":false,"shares":3869813,"price":13.44,"value":52010286.72,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\"), CCMP Capital Investors III (AV-7), L.P. (\"CCMP AV-7\"), CCMP Capital Investors III (AV-8), L.P. (\"CCMP AV-8\"), CCMP Capital Investors III (AV-9), L.P. (\"CCMP AV-9\") and CCMP Capital Investors III (AV-10), L.P. (\"CCMP AV-10\" and, together with CCMP Capital Investors, CCMP Employee, CCMP AV-7, CCMP AV-8 and CCMP AV-9, the \"CCMP Capital Funds\").  The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CCMP Capital Associates GP and CCMP Co-Invest GP are each wholly owned by CCMP Capital, LP.  The general partner of CCMP Capital, LP is CCMP Capital GP, LLC.  CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Co-Invest GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of PQ Group Holdings Inc. held by the CCMP Investors.  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":25501084,"source":{"system":"sec-edgar","filing":"0000899243-21-017746","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718031/000089924321017746/doc4.xml","form_type":"4"}},{"id":2750472,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-04-13T18:37:12.000Z","date":"2021-04-13","kind":"sale","acquired":false,"shares":65118,"price":16.065,"value":1046120.67,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":4159137,"source":{"system":"sec-edgar","filing":"0001104659-21-049875","document":"tm2112870-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465921049875/tm2112870-1_4seq1.xml","form_type":"4"}},{"id":2750471,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-04-13T18:37:12.000Z","date":"2021-04-13","kind":"sale","acquired":false,"shares":1054926,"price":16.065,"value":16947386.19,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Investors\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Investors have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Investors and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Investors, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":67378948,"source":{"system":"sec-edgar","filing":"0001104659-21-049875","document":"tm2112870-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465921049875/tm2112870-1_4seq1.xml","form_type":"4"}},{"id":2786431,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-03-16T18:13:15.000Z","date":"2021-03-16","kind":"sale","acquired":false,"shares":418053,"price":16.065,"value":6716021.445,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III (Employee), L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Capital Funds have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Capital Funds and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Capital Funds, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":4224255,"source":{"system":"sec-edgar","filing":"0001104659-21-037265","document":"tm219858-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465921037265/tm219858-1_4seq1.xml","form_type":"4"}},{"id":2786430,"issuer":{"id":768,"kind":"organization","name":"Hayward Holdings, Inc.","symbol":"HAYW"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113401,"kind":"organization","name":"CCMP Capital Investors III, L.P.","position":3,"cik":"0001569775","reported_name":"CCMP Capital Investors III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113402,"kind":"organization","name":"CCMP Capital Investors III (Employee), L.P.","position":4,"cik":"0001581003","reported_name":"CCMP Capital Investors III (Employee), L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113404,"kind":"organization","name":"CCMP Capital Associates III, L.P.","position":5,"cik":"0001718034","reported_name":"CCMP Capital Associates III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113406,"kind":"organization","name":"CCMP Capital Associates III GP, LLC","position":6,"cik":"0001718029","reported_name":"CCMP Capital Associates III GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-03-16T18:13:15.000Z","date":"2021-03-16","kind":"sale","acquired":false,"shares":6772545,"price":16.065,"value":108800935.425,"ownership":{"direct":false,"nature":"By CCMP Capital Investors III, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates III, L.P. (\"CCMP Capital Associates\") is the general partner of each of CCMP Capital Investors III, L.P. (\"CCMP Capital Investors\"), and CCMP Capital Investors III (Employee), L.P. (\"CCMP Employee\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates is CCMP Capital Associates III GP, LLC (\"CCMP Capital Associates GP\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"CCMP Capital Associates GP is wholly owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. As a result, each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to certain of the shares of common stock of Hayward Holdings, Inc. held by the CCMP Investors. Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"In connection with the consummation of the initial public offering of the Issuer's common stock, par value $0.001 per share (\"Common Stock\"), the CCMP Capital Funds have entered into an Amended and Restated Stockholders' Agreement (\"Stockholders' Agreement\") with the issuer and certain affiliates of MSD Partners, L.P. (\"MSD\") and Alberta Investment Management Corporation (\"AIMCo\") pursuant to which the CCMP Capital Funds and MSD have agreed to coordinate with respect to the timing and manner of disposition of shares of the Common Stock held by them, and AIMCo has also agreed to certain restrictions on the transfer of its shares of Common Stock. By virtue of the Stockholders' Agreement, the CCMP Capital Funds, MSD and AIMCo may be deemed to be members of a group for the purposes of Section 13(d) of the Securities Exchange Act of 1934 (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"In addition, each reporting person may be deemed to be a member of a group for the purposes of Section 13(d) of the Act. Each reporting person disclaims any pecuniary interest in any shares of Common Stock held by the group with MSD and AIMCo except as reported as beneficially owned by the reporting persons in this Form 4."}],"balance_after":68433874,"source":{"system":"sec-edgar","filing":"0001104659-21-037265","document":"tm219858-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1718029/000110465921037265/tm219858-1_4seq1.xml","form_type":"4"}},{"id":4154450,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-11-21T17:29:31.000Z","date":"2017-11-21","kind":"sale","acquired":false,"shares":1290692,"price":16,"value":20651072.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors (Cayman) II, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates, L.P is the general partner of each of CCMP Capital Investors II, L.P. and CCMP Capital Investors (Cayman) II, L.P. (together with CCMP Capital Investors II, L.P., the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates, L.P. is CCMP Capital Associates GP, LLC. CCMP Capital Associates GP, LLC is wholly-owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds. As a result, each of CCMP Capital Associates, L.P., CCMP Capital Associates GP, LLC, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Footnote 1 Continued:  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000904454-17-000688","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000688/edgar.xml","form_type":"4"}},{"id":4154449,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.01 per share (\"Common Stock\")","published_at":"2017-11-21T17:29:31.000Z","date":"2017-11-21","kind":"sale","acquired":false,"shares":9683401,"price":16,"value":154934416.0,"ownership":{"direct":false,"nature":"By CCMP Capital Investors II, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"CCMP Capital Associates, L.P is the general partner of each of CCMP Capital Investors II, L.P. and CCMP Capital Investors (Cayman) II, L.P. (together with CCMP Capital Investors II, L.P., the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates, L.P. is CCMP Capital Associates GP, LLC. CCMP Capital Associates GP, LLC is wholly-owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds. As a result, each of CCMP Capital Associates, L.P., CCMP Capital Associates GP, LLC, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Footnote 1 Continued:  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000904454-17-000688","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000688/edgar.xml","form_type":"4"}},{"id":4233960,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-15T16:18:31.000Z","date":"2017-08-15","kind":"sale","acquired":false,"shares":887402,"price":16.71,"value":14828487.42,"ownership":{"direct":false,"nature":"By CCMP Capital Investors (Cayman) II, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"1. CCMP Capital Associates, L.P is the general partner of each of CCMP Capital Investors II, L.P. and CCMP Capital Investors (Cayman) II, L.P. (together with CCMP Capital Investors II, L.P., the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates, L.P. is CCMP Capital Associates GP, LLC. CCMP Capital Associates GP, LLC is wholly-owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds. As a result, each of CCMP Capital Associates, L.P., CCMP Capital Associates GP, LLC, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds. (Continued in Footnote 2)"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Footnote 1 Continued:  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":1290692,"source":{"system":"sec-edgar","filing":"0000904454-17-000569","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000569/edgar.xml","form_type":"4"}},{"id":4233959,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.01 per share (\"Common Stock\")","published_at":"2017-08-15T16:18:31.000Z","date":"2017-08-15","kind":"sale","acquired":false,"shares":6657722,"price":16.71,"value":111250534.62,"ownership":{"direct":false,"nature":"By CCMP Capital Investors II, L.P."},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"1. CCMP Capital Associates, L.P is the general partner of each of CCMP Capital Investors II, L.P. and CCMP Capital Investors (Cayman) II, L.P. (together with CCMP Capital Investors II, L.P., the \"CCMP Capital Funds\"). The general partner of CCMP Capital Associates, L.P. is CCMP Capital Associates GP, LLC. CCMP Capital Associates GP, LLC is wholly-owned by CCMP Capital, LP. The general partner of CCMP Capital, LP is CCMP Capital GP, LLC. CCMP Capital GP, LLC ultimately exercises voting and dispositive power over the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds. As a result, each of CCMP Capital Associates, L.P., CCMP Capital Associates GP, LLC, CCMP Capital, LP and CCMP Capital GP, LLC may be deemed to share beneficial ownership with respect to the shares of common stock of Milacron Holdings Corp. held by the CCMP Capital Funds. (Continued in Footnote 2)"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Footnote 1 Continued:  Each of the reporting persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":9683401,"source":{"system":"sec-edgar","filing":"0000904454-17-000569","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000569/edgar.xml","form_type":"4"}},{"id":4324860,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-05-11T16:37:02.000Z","date":"2017-05-09","kind":"sale","acquired":false,"shares":1360682,"price":16.51,"value":22464859.82,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"The shares of Common Stock were sold by the Reporting Persons in a registered secondary offering pursuant to an underwriting agreement entered into on May 3, 2017."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"1. This Form 4 is being filed by (i) CCMP Capital Investors II, L.P. (\"CCMP Capital Investors\"), (ii) CCMP Capital Investors (Cayman) II, L.P. (\"CCMP Cayman\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"), (iii) CCMP Capital Associates, L.P. (\"CCMP Capital Associates\"), the general partner of the CCMP Capital Funds, (iv) CCMP Capital Associates GP, LLC (\"CCMP Capital Associates GP\"), the general partner of CCMP Capital Associates, (v) CCMP Capital, LP (\"CCMP Capital\"), the owner of CCMP Capital Associates GP, and (vi) CCMP Capital GP, LLC (\"CCMP Capital GP\"), the general partner of CCMP Capital (CCMP Capital GP and CCMP Capital, together with the CCMP Capital Funds, CCMP Capital Associates and CCMP Capital Associates GP, the \"Reporting Persons\"). The amount of securities indicated in the first row of Table I reflects the aggregate amount of shares beneficially owned by the CCMP Capital Funds. See footnotes (4) and (5)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP may be deemed, pursuant to Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"), to beneficially own the shares of Milacron Holdings Corp. (the \"Issuer\") reported herein held by the CCMP Capital Funds. The actual pro rata portion of beneficial ownership of any such shares held by the CCMP Capital Funds that may be deemed attributable to CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP is not readily determinable because it is subject to several variables, including the internal rate of return within the CCMP Capital Funds."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Persons disclaim beneficial ownership of the securities to the extent it exceeds their pecuniary interest therein and the inclusion of the shares in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 of the Exchange Act or otherwise. The amount shown represents the beneficial ownership of the Issuer's Common Stock held by the Reporting Persons as a group. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"The amount shown represents the beneficial ownership of shares of the Issuer's Common Stock owned by CCMP Capital Investors (Cayman) II, L.P."}],"balance_after":2178094,"source":{"system":"sec-edgar","filing":"0000904454-17-000343","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000343/edgar.xml","form_type":"4"}},{"id":4324859,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-05-11T16:37:02.000Z","date":"2017-05-09","kind":"sale","acquired":false,"shares":10208508,"price":16.51,"value":168542467.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"The shares of Common Stock were sold by the Reporting Persons in a registered secondary offering pursuant to an underwriting agreement entered into on May 3, 2017."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"1. This Form 4 is being filed by (i) CCMP Capital Investors II, L.P. (\"CCMP Capital Investors\"), (ii) CCMP Capital Investors (Cayman) II, L.P. (\"CCMP Cayman\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"), (iii) CCMP Capital Associates, L.P. (\"CCMP Capital Associates\"), the general partner of the CCMP Capital Funds, (iv) CCMP Capital Associates GP, LLC (\"CCMP Capital Associates GP\"), the general partner of CCMP Capital Associates, (v) CCMP Capital, LP (\"CCMP Capital\"), the owner of CCMP Capital Associates GP, and (vi) CCMP Capital GP, LLC (\"CCMP Capital GP\"), the general partner of CCMP Capital (CCMP Capital GP and CCMP Capital, together with the CCMP Capital Funds, CCMP Capital Associates and CCMP Capital Associates GP, the \"Reporting Persons\"). The amount of securities indicated in the first row of Table I reflects the aggregate amount of shares beneficially owned by the CCMP Capital Funds. See footnotes (4) and (5)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP may be deemed, pursuant to Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"), to beneficially own the shares of Milacron Holdings Corp. (the \"Issuer\") reported herein held by the CCMP Capital Funds. The actual pro rata portion of beneficial ownership of any such shares held by the CCMP Capital Funds that may be deemed attributable to CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP is not readily determinable because it is subject to several variables, including the internal rate of return within the CCMP Capital Funds."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Persons disclaim beneficial ownership of the securities to the extent it exceeds their pecuniary interest therein and the inclusion of the shares in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 of the Exchange Act or otherwise. The amount shown represents the beneficial ownership of the Issuer's Common Stock held by the Reporting Persons as a group. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The amount shown represents the beneficial ownership of shares of the Issuer's Common Stock owned by CCMP Capital Investors II, L.P."}],"balance_after":16341123,"source":{"system":"sec-edgar","filing":"0000904454-17-000343","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000343/edgar.xml","form_type":"4"}},{"id":4324858,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.01 per share (\"Common Stock\")","published_at":"2017-05-11T16:37:02.000Z","date":"2017-05-09","kind":"sale","acquired":false,"shares":11569190,"price":16.51,"value":191007326.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"The shares of Common Stock were sold by the Reporting Persons in a registered secondary offering pursuant to an underwriting agreement entered into on May 3, 2017."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"1. This Form 4 is being filed by (i) CCMP Capital Investors II, L.P. (\"CCMP Capital Investors\"), (ii) CCMP Capital Investors (Cayman) II, L.P. (\"CCMP Cayman\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"), (iii) CCMP Capital Associates, L.P. (\"CCMP Capital Associates\"), the general partner of the CCMP Capital Funds, (iv) CCMP Capital Associates GP, LLC (\"CCMP Capital Associates GP\"), the general partner of CCMP Capital Associates, (v) CCMP Capital, LP (\"CCMP Capital\"), the owner of CCMP Capital Associates GP, and (vi) CCMP Capital GP, LLC (\"CCMP Capital GP\"), the general partner of CCMP Capital (CCMP Capital GP and CCMP Capital, together with the CCMP Capital Funds, CCMP Capital Associates and CCMP Capital Associates GP, the \"Reporting Persons\"). The amount of securities indicated in the first row of Table I reflects the aggregate amount of shares beneficially owned by the CCMP Capital Funds. See footnotes (4) and (5)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP may be deemed, pursuant to Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"), to beneficially own the shares of Milacron Holdings Corp. (the \"Issuer\") reported herein held by the CCMP Capital Funds. The actual pro rata portion of beneficial ownership of any such shares held by the CCMP Capital Funds that may be deemed attributable to CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP is not readily determinable because it is subject to several variables, including the internal rate of return within the CCMP Capital Funds."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Persons disclaim beneficial ownership of the securities to the extent it exceeds their pecuniary interest therein and the inclusion of the shares in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 of the Exchange Act or otherwise. The amount shown represents the beneficial ownership of the Issuer's Common Stock held by the Reporting Persons as a group. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person."}],"balance_after":18519217,"source":{"system":"sec-edgar","filing":"0000904454-17-000343","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000343/edgar.xml","form_type":"4"}},{"id":4392774,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-09T16:40:05.000Z","date":"2017-03-08","kind":"sale","acquired":false,"shares":174975,"price":15.6,"value":2729610.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"The shares of Common Stock were sold by the Reporting Persons pursuant to the underwriters' exercise of their over-allotment option in a registered underwritten secondary offering pursuant to an underwriting agreement entered into on January 31, 2017."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"This Form 4 is being filed by (i) CCMP Capital Investors II, L.P. (\"CCMP Capital Investors\"), (ii) CCMP Capital Investors (Cayman) II, L.P. (\"CCMP Cayman\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"), (iii) CCMP Capital Associates, L.P. (\"CCMP Capital Associates\"), the general partner of the CCMP Capital Funds, (iv) CCMP Capital Associates GP, LLC (\"CCMP Capital Associates GP\"), the general partner of CCMP Capital Associates, (v) CCMP Capital, LP (\"CCMP Capital\"), the owner of CCMP Capital Associates GP, and (vi) CCMP Capital GP, LLC (\"CCMP Capital GP\"), the general partner of CCMP Capital (CCMP Capital GP and CCMP Capital, together with the CCMP Capital Funds, CCMP Capital Associates and CCMP Capital Associates GP, the \"Reporting Persons\"). The amount of securities indicated in the first row of Table I reflects the aggregate amount of shares beneficially owned by the CCMP Capital Funds. See footnotes (4) and (5)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP may be deemed, pursuant to Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"), to beneficially own the shares of Milacron Holdings Corp. (the \"Issuer\") reported herein held by the CCMP Capital Funds. The actual pro rata portion of beneficial ownership of any such shares held by the CCMP Capital Funds that may be deemed attributable to CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP is not readily determinable because it is subject to several variables, including the internal rate of return within the CCMP Capital Funds."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Persons disclaim beneficial ownership of the securities to the extent it exceeds their pecuniary interest therein and the inclusion of the shares in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 of the Exchange Act or otherwise. The amount shown represents the beneficial ownership of the Issuer's Common Stock held by the Reporting Persons as a group. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"The amount shown represents the beneficial ownership of shares of the Issuer's Common Stock owned by CCMP Capital Investors (Cayman) II, L.P."}],"balance_after":3538776,"source":{"system":"sec-edgar","filing":"0000904454-17-000236","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000236/edgar.xml","form_type":"4"}},{"id":4392773,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-09T16:40:05.000Z","date":"2017-03-08","kind":"sale","acquired":false,"shares":1312746,"price":15.6,"value":20478837.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"The shares of Common Stock were sold by the Reporting Persons pursuant to the underwriters' exercise of their over-allotment option in a registered underwritten secondary offering pursuant to an underwriting agreement entered into on January 31, 2017."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"This Form 4 is being filed by (i) CCMP Capital Investors II, L.P. (\"CCMP Capital Investors\"), (ii) CCMP Capital Investors (Cayman) II, L.P. (\"CCMP Cayman\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"), (iii) CCMP Capital Associates, L.P. (\"CCMP Capital Associates\"), the general partner of the CCMP Capital Funds, (iv) CCMP Capital Associates GP, LLC (\"CCMP Capital Associates GP\"), the general partner of CCMP Capital Associates, (v) CCMP Capital, LP (\"CCMP Capital\"), the owner of CCMP Capital Associates GP, and (vi) CCMP Capital GP, LLC (\"CCMP Capital GP\"), the general partner of CCMP Capital (CCMP Capital GP and CCMP Capital, together with the CCMP Capital Funds, CCMP Capital Associates and CCMP Capital Associates GP, the \"Reporting Persons\"). The amount of securities indicated in the first row of Table I reflects the aggregate amount of shares beneficially owned by the CCMP Capital Funds. See footnotes (4) and (5)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP may be deemed, pursuant to Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"), to beneficially own the shares of Milacron Holdings Corp. (the \"Issuer\") reported herein held by the CCMP Capital Funds. The actual pro rata portion of beneficial ownership of any such shares held by the CCMP Capital Funds that may be deemed attributable to CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP is not readily determinable because it is subject to several variables, including the internal rate of return within the CCMP Capital Funds."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Persons disclaim beneficial ownership of the securities to the extent it exceeds their pecuniary interest therein and the inclusion of the shares in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 of the Exchange Act or otherwise. The amount shown represents the beneficial ownership of the Issuer's Common Stock held by the Reporting Persons as a group. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"The amount shown represents the beneficial ownership of shares of the Issuer's Common Stock owned by CCMP Capital Investors II, L.P."}],"balance_after":26549631,"source":{"system":"sec-edgar","filing":"0000904454-17-000236","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000236/edgar.xml","form_type":"4"}},{"id":4392772,"issuer":{"id":153592,"kind":"organization","name":"Milacron Holdings Corp.","symbol":"MCRN"},"owners":[{"id":113399,"kind":"organization","name":"CCMP Capital, LP","position":1,"cik":"0001372939","reported_name":"CCMP Capital, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":113400,"kind":"organization","name":"CCMP Capital GP, LLC","position":2,"cik":"0001674350","reported_name":"CCMP Capital GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171676,"kind":"organization","name":"CCMP Capital Investors II, L.P.","position":3,"cik":"0001372942","reported_name":"CCMP Capital Investors II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171677,"kind":"organization","name":"CCMP Capital Investors (Cayman) II, L.P.","position":4,"cik":"0001373028","reported_name":"CCMP Capital Investors (Cayman) II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171678,"kind":"organization","name":"CCMP Capital Associates, L.P.","position":5,"cik":"0001372941","reported_name":"CCMP Capital Associates, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":171679,"kind":"organization","name":"CCMP Capital Associates GP, LLC","position":6,"cik":"0001372940","reported_name":"CCMP Capital Associates GP, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock, par value $0.01 per share (\"Common Stock\")","published_at":"2017-03-09T16:40:05.000Z","date":"2017-03-08","kind":"sale","acquired":false,"shares":1487721,"price":15.6,"value":23208447.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","text":"The shares of Common Stock were sold by the Reporting Persons pursuant to the underwriters' exercise of their over-allotment option in a registered underwritten secondary offering pursuant to an underwriting agreement entered into on January 31, 2017."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"This Form 4 is being filed by (i) CCMP Capital Investors II, L.P. (\"CCMP Capital Investors\"), (ii) CCMP Capital Investors (Cayman) II, L.P. (\"CCMP Cayman\" and together with CCMP Capital Investors, the \"CCMP Capital Funds\"), (iii) CCMP Capital Associates, L.P. (\"CCMP Capital Associates\"), the general partner of the CCMP Capital Funds, (iv) CCMP Capital Associates GP, LLC (\"CCMP Capital Associates GP\"), the general partner of CCMP Capital Associates, (v) CCMP Capital, LP (\"CCMP Capital\"), the owner of CCMP Capital Associates GP, and (vi) CCMP Capital GP, LLC (\"CCMP Capital GP\"), the general partner of CCMP Capital (CCMP Capital GP and CCMP Capital, together with the CCMP Capital Funds, CCMP Capital Associates and CCMP Capital Associates GP, the \"Reporting Persons\"). The amount of securities indicated in the first row of Table I reflects the aggregate amount of shares beneficially owned by the CCMP Capital Funds. See footnotes (4) and (5)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Each of CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP may be deemed, pursuant to Rule 13d-3 under the Securities Exchange Act of 1934 (the \"Exchange Act\"), to beneficially own the shares of Milacron Holdings Corp. (the \"Issuer\") reported herein held by the CCMP Capital Funds. The actual pro rata portion of beneficial ownership of any such shares held by the CCMP Capital Funds that may be deemed attributable to CCMP Capital Associates, CCMP Capital Associates GP, CCMP Capital and CCMP Capital GP is not readily determinable because it is subject to several variables, including the internal rate of return within the CCMP Capital Funds."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Reporting Persons disclaim beneficial ownership of the securities to the extent it exceeds their pecuniary interest therein and the inclusion of the shares in this report shall not be deemed to be an admission of beneficial ownership of the reported shares for the purposes of Section 16 of the Exchange Act or otherwise. The amount shown represents the beneficial ownership of the Issuer's Common Stock held by the Reporting Persons as a group. Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person."}],"balance_after":30088407,"source":{"system":"sec-edgar","filing":"0000904454-17-000236","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674350/000090445417000236/edgar.xml","form_type":"4"}}],"next_cursor":"2017-03-09T16:40:05.000000Z,4392772"}