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BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of February 27, 2024 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares that are beneficially owned by BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\")."}],"balance_after":3755165,"source":{"system":"sec-edgar","filing":"0000950170-24-027207","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000095017024027207/ownership.xml","form_type":"4"}},{"id":1923612,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2023-04-06T21:28:15.000Z","date":"2023-04-05","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":35153,"price":20.8,"value":731182.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F8","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Investors IV LLC (\"BI IV\") to the Issuer pursuant to the Purchase Agreement. BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."}],"balance_after":1290206,"derivative":{"underlying":"Class A common stock","underlying_shares":35153},"source":{"system":"sec-edgar","filing":"0000899243-23-010880","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323010880/doc4.xml","form_type":"4"}},{"id":1923611,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2023-04-06T21:28:15.000Z","date":"2023-04-05","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":10673,"price":20.8,"value":221998.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F7","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Investors III LLC (\"BI III\") to the Issuer pursuant to the Purchase Agreement. BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."}],"balance_after":391746,"derivative":{"underlying":"Class A common stock","underlying_shares":10673},"source":{"system":"sec-edgar","filing":"0000899243-23-010880","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323010880/doc4.xml","form_type":"4"}},{"id":1923610,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2023-04-06T21:28:15.000Z","date":"2023-04-05","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":388377,"price":20.8,"value":8078241.6,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F6","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Fund VIII, L.P. (\"VIII\") to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Fund VIII, L.P. (\"VIII\") to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":14254321,"derivative":{"underlying":"Class A common stock","underlying_shares":388377},"source":{"system":"sec-edgar","filing":"0000899243-23-010880","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323010880/doc4.xml","form_type":"4"}},{"id":1923609,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2023-04-06T21:28:15.000Z","date":"2023-04-05","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":161374,"price":20.8,"value":3356579.2,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII-A, L.P."},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of March 3, 2023 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and BP, its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\")."},{"field":"shares","element":"transactionShares","label":"F4","text":"(Continued from Footnote 3) Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of March 3, 2023 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and BP, its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"(Continued from Footnote 3) Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":5922794,"source":{"system":"sec-edgar","filing":"0000899243-23-010880","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323010880/doc4.xml","form_type":"4"}},{"id":1923608,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2023-04-06T21:28:15.000Z","date":"2023-04-04","kind":"grant","planned":false,"acquired":true,"shares":19951,"price":20.8,"value":414980.8,"ownership":{"direct":false,"nature":"See note"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 9,615 restricted stock units (\"RSUs\") granted to Richard Lubin and 10,336 RSUs granted to Joshua Lutzker on April 4, 2023 for their service on the Board of Directors of the Issuer, which will vest in full on December 31, 2023, in each case, subject to the director's continued service with the Issuer through such vesting date and the terms of the directors' applicable award agreements."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 19,951 unvested RSUs granted on April 4, 2023 and 8,000 unvested RSUs granted on January 18, 2022 to Richard Lubin and Joshua Lutzker in the aggregate for their service on the Board of Directors of the Issuer. The unvested RSUs are subject to time vesting, subject to the director's continued service with the Issuer through such vesting date, and the terms of the directors' applicable award agreements. Any securities issued to Mr. Lubin or Mr. Lutzker for service as a director of the Issuer are held by each of them for the benefit of funds or entities affiliated with Berkshire Partners LLC (\"BP\"). The Reporting Persons disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein, and the inclusion of any 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":"F2","text":"Includes 19,951 unvested RSUs granted on April 4, 2023 and 8,000 unvested RSUs granted on January 18, 2022 to Richard Lubin and Joshua Lutzker in the aggregate for their service on the Board of Directors of the Issuer. The unvested RSUs are subject to time vesting, subject to the director's continued service with the Issuer through such vesting date, and the terms of the directors' applicable award agreements. Any securities issued to Mr. Lubin or Mr. Lutzker for service as a director of the Issuer are held by each of them for the benefit of funds or entities affiliated with Berkshire Partners LLC (\"BP\"). The Reporting Persons disclaim beneficial ownership of such securities, except to the extent of their pecuniary interest therein, and the inclusion of any 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":36479,"source":{"system":"sec-edgar","filing":"0000899243-23-010880","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323010880/doc4.xml","form_type":"4"}},{"id":1954013,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2023-03-14T20:30:00.000Z","date":"2023-03-10","kind":"disposition_to_issuer","acquired":false,"shares":453232,"price":21.05,"value":9540533.6,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F8","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Investors IV LLC (\"BI IV\") to the Issuer pursuant to the Purchase Agreement. BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."}],"balance_after":1325359,"derivative":{"underlying":"Class A common stock","underlying_shares":453232},"source":{"system":"sec-edgar","filing":"0000899243-23-008415","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323008415/doc4.xml","form_type":"4"}},{"id":1954012,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2023-03-14T20:30:00.000Z","date":"2023-03-10","kind":"disposition_to_issuer","acquired":false,"shares":137608,"price":21.05,"value":2896648.4,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F7","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Investors III LLC (\"BI III\") to the Issuer pursuant to the Purchase Agreement. BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."}],"balance_after":402419,"derivative":{"underlying":"Class A common stock","underlying_shares":137608},"source":{"system":"sec-edgar","filing":"0000899243-23-008415","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323008415/doc4.xml","form_type":"4"}},{"id":1954011,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2023-03-14T20:30:00.000Z","date":"2023-03-10","kind":"disposition_to_issuer","acquired":false,"shares":5007328,"price":21.05,"value":105404254.4,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F6","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Fund VIII, L.P. (\"VIII\") to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Fund VIII, L.P. (\"VIII\") to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":14642698,"derivative":{"underlying":"Class A common stock","underlying_shares":5007328},"source":{"system":"sec-edgar","filing":"0000899243-23-008415","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323008415/doc4.xml","form_type":"4"}},{"id":1954010,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2023-03-14T20:30:00.000Z","date":"2023-03-10","kind":"disposition_to_issuer","acquired":false,"shares":2080584,"price":21.05,"value":43796293.2,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII-A, L.P"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of March 3, 2023 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of March 3, 2023 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":6084168,"source":{"system":"sec-edgar","filing":"0000899243-23-008415","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924323008415/doc4.xml","form_type":"4"}},{"id":2108420,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-11-21T11:15:11.000Z","date":"2022-11-17","kind":"disposition_to_issuer","acquired":false,"shares":453232,"price":22.69,"value":10283834.08,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F8","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Investors IV LLC (\"BI IV\") to the Issuer pursuant to the Purchase Agreement. BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."}],"balance_after":1778591,"derivative":{"underlying":"Class A common stock","underlying_shares":453232},"source":{"system":"sec-edgar","filing":"0000899243-22-036472","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322036472/doc4.xml","form_type":"4"}},{"id":2108419,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-11-21T11:15:11.000Z","date":"2022-11-17","kind":"disposition_to_issuer","acquired":false,"shares":137608,"price":22.69,"value":3122325.52,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F7","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Investors III LLC (\"BI III\") to the Issuer pursuant to the Purchase Agreement. BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."}],"balance_after":540027,"derivative":{"underlying":"Class A common stock","underlying_shares":137608},"source":{"system":"sec-edgar","filing":"0000899243-22-036472","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322036472/doc4.xml","form_type":"4"}},{"id":2108418,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-11-21T11:15:11.000Z","date":"2022-11-17","kind":"disposition_to_issuer","acquired":false,"shares":5007328,"price":22.69,"value":113616272.32,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"shares","element":"transactionShares","label":"F6","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Fund VIII, L.P. (\"VIII\") to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents LLC Units of PHD Group Holdings sold by Berkshire Fund VIII, L.P. (\"VIII\") to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":19650026,"derivative":{"underlying":"Class A common stock","underlying_shares":5007328},"source":{"system":"sec-edgar","filing":"0000899243-22-036472","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322036472/doc4.xml","form_type":"4"}},{"id":2108417,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2022-11-21T11:15:11.000Z","date":"2022-11-17","kind":"disposition_to_issuer","acquired":false,"shares":2080584,"price":22.69,"value":47208450.96,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII-A, L.P."},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of November 11, 2022 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares of Class A common stock of the Issuer sold by Berkshire Fund VIII-A, L.P. (\"VIII-A\") to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of November 11, 2022 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":8164752,"source":{"system":"sec-edgar","filing":"0000899243-22-036472","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322036472/doc4.xml","form_type":"4"}},{"id":2158323,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-09-15T20:35:30.000Z","date":"2022-09-13","kind":"disposition_to_issuer","acquired":false,"shares":3765,"price":22.7406,"value":85618.359,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F8","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Investors IV LLC (\"BI IV\") following the sale to the Issuer pursuant to the Purchase Agreement. BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":2231823,"derivative":{"underlying":"Class A common stock","underlying_shares":3765},"source":{"system":"sec-edgar","filing":"0000899243-22-031151","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322031151/doc4.xml","form_type":"4"}},{"id":2158322,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-09-15T20:35:30.000Z","date":"2022-09-13","kind":"disposition_to_issuer","acquired":false,"shares":1143,"price":22.7406,"value":25992.5058,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F7","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Investors III LLC (\"BI III\") following the sale to the Issuer pursuant to the Purchase Agreement. BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":677635,"derivative":{"underlying":"Class A common stock","underlying_shares":1143},"source":{"system":"sec-edgar","filing":"0000899243-22-031151","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322031151/doc4.xml","form_type":"4"}},{"id":2158321,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-09-15T20:35:30.000Z","date":"2022-09-13","kind":"disposition_to_issuer","acquired":false,"shares":41597,"price":22.7406,"value":945940.7382,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII, L.P."},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F6","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. (\"VIII\") following the sale to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. (\"VIII\") following the sale to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":24657354,"derivative":{"underlying":"Class A common stock","underlying_shares":41597},"source":{"system":"sec-edgar","filing":"0000899243-22-031151","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322031151/doc4.xml","form_type":"4"}},{"id":2158320,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A common stock","published_at":"2022-09-15T20:35:30.000Z","date":"2022-09-13","kind":"disposition_to_issuer","acquired":false,"shares":17284,"price":22.7406,"value":393048.5304,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII-A, L.P."},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of Class A common stock of the Issuer held by Berkshire Fund VIII-A, L.P. (\"VIII-A\") following the sale to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of August 5, 2022 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares of Class A common stock of the Issuer held by Berkshire Fund VIII-A, L.P. (\"VIII-A\") following the sale to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of August 5, 2022 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":10245336,"source":{"system":"sec-edgar","filing":"0000899243-22-031151","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322031151/doc4.xml","form_type":"4"}},{"id":2179410,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-08-18T21:29:20.000Z","date":"2022-08-16","kind":"disposition_to_issuer","acquired":false,"shares":453232,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F8","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Investors IV LLC (\"BI IV\") following the sale to the Issuer pursuant to the Purchase Agreement. BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":2235587,"derivative":{"exercise_price":22.7406,"underlying":"Class A common stock","underlying_shares":453232},"source":{"system":"sec-edgar","filing":"0000899243-22-029187","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322029187/doc4.xml","form_type":"4"}},{"id":2179409,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-08-18T21:29:20.000Z","date":"2022-08-16","kind":"disposition_to_issuer","acquired":false,"shares":137608,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F7","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Investors III LLC (\"BI III\") following the sale to the Issuer pursuant to the Purchase Agreement. BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":678777,"derivative":{"exercise_price":22.7406,"underlying":"Class A common stock","underlying_shares":137608},"source":{"system":"sec-edgar","filing":"0000899243-22-029187","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924322029187/doc4.xml","form_type":"4"}},{"id":2179408,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2022-08-18T21:29:20.000Z","date":"2022-08-16","kind":"disposition_to_issuer","acquired":false,"shares":5007328,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F6","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. (\"VIII\") following the sale to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. (\"VIII\") following the sale to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. 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(\"VIII-A\") following the sale to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of August 5, 2022 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares of Class A common stock of the Issuer held by Berkshire Fund VIII-A, L.P. (\"VIII-A\") following the sale to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of August 5, 2022 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners LLC (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). 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(\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 2,718,554 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 1,113,650 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 2,256,521 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 6,154 shares of the Issuer's common stock, and SP holds 272,386 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). 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(\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 3,165,311 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 1,296,663 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 2,346,506 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 6,364 shares of the Issuer's common stock, and SP holds 282,191 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":7097035,"source":{"system":"sec-edgar","filing":"0000919574-21-007037","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957421007037/ownership.xml","form_type":"4"}},{"id":2533509,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2021-10-27T21:42:11.000Z","date":"2021-10-25","kind":"disposition_to_issuer","acquired":false,"shares":172259,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. 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BI IV may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":2688819,"derivative":{"exercise_price":18.75,"underlying":"Class A common stock","underlying_shares":172259},"source":{"system":"sec-edgar","filing":"0000899243-21-041737","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924321041737/doc4.xml","form_type":"4"}},{"id":2533508,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2021-10-27T21:42:11.000Z","date":"2021-10-25","kind":"disposition_to_issuer","acquired":false,"shares":52302,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. 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Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. 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BI III may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act and disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":816385,"derivative":{"exercise_price":18.75,"underlying":"Class A common stock","underlying_shares":52302},"source":{"system":"sec-edgar","filing":"0000899243-21-041737","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1312988/000089924321041737/doc4.xml","form_type":"4"}},{"id":2533507,"issuer":{"id":5886,"kind":"organization","name":"Portillo's Inc.","symbol":"PTLO"},"owners":[{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":1,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79474,"kind":"person","name":"Berkshire Fund VIII-A, L.P.","position":2,"cik":"0001514454","reported_name":"Berkshire Fund VIII-A, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79475,"kind":"person","name":"Berkshire Fund VIII, L.P.","position":3,"cik":"0001514470","reported_name":"Berkshire Fund VIII, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":4,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":5,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":79478,"kind":"person","name":"Eighth Berkshire Associates LLC","position":6,"cik":"0001888111","reported_name":"Eighth Berkshire Associates LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":7,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":8,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Units of PHD Group Holdings LLC","published_at":"2021-10-27T21:42:11.000Z","date":"2021-10-25","kind":"disposition_to_issuer","acquired":false,"shares":1903123,"ownership":{"direct":false,"nature":"By Berkshire Fund VIII, L.P."},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC (\"PHD Group Holdings\"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments. The LLC Units have no expiration date. Pursuant to the Purchase Agreement, in connection with the purchases of LLC Units by the Issuer as reported herein, an equal number of shares of Class B common stock of the Issuer held by the Reporting Persons were canceled for no consideration."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. (\"VIII\") following the sale to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. Each of BPH, BPSP, VIII, 8BA and Berkshire Partners disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Represents LLC Units of PHD Group Holdings held by Berkshire Fund VIII, L.P. (\"VIII\") following the sale to the Issuer pursuant to the Purchase Agreement. Such securities may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH, BPSP, VIII, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Act. 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(\"VIII-A\") following the sale to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of October 12, 2021 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners L.P. (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, BP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, VIII-A, 8BA and BP disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares of Class A common stock of the Issuer held by Berkshire Fund VIII-A, L.P. (\"VIII-A\") following the sale to the Issuer pursuant to the Stock and Unit Purchase Agreement, dated as of October 12, 2021 (the \"Purchase Agreement\"). Such securities may be deemed to be beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"); BPSP, L.P. (\"BPSP\"); Eighth Berkshire Associates LLC (\"8BA\"), its general partner; and Berkshire Partners L.P. (\"BP\"), its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP. BPH, BPSP, BP, VIII-A, 8BA and BP are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). 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(\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 3,605,195 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 1,476,861 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 2,346,506 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 6,364 shares of the Issuer's common stock, and SP holds 282,191 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). 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(\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 5,098,435 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,088,564 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,062,018 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 8,403 shares of the Issuer's common stock, and SP holds 340,860 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":10598280,"source":{"system":"sec-edgar","filing":"0000919574-20-007512","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007512/ownership.xml","form_type":"4"}},{"id":2975226,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-18T17:43:14.000Z","date":"2020-11-18","kind":"sale","acquired":false,"shares":55736,"price":64.1941,"value":3577922.3576,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0000 to $64.5200. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12227153,"source":{"system":"sec-edgar","filing":"0000919574-20-007248","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007248/ownership.xml","form_type":"4"}},{"id":2975225,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-18T17:43:14.000Z","date":"2020-11-17","kind":"sale","acquired":false,"shares":50000,"price":64.1355,"value":3206775.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0000 to $64.2550. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12282889,"source":{"system":"sec-edgar","filing":"0000919574-20-007248","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007248/ownership.xml","form_type":"4"}},{"id":2975224,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-18T17:43:14.000Z","date":"2020-11-16","kind":"sale","acquired":false,"shares":65000,"price":65.5508,"value":4260802.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $65.0570 to $65.8500. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12332889,"source":{"system":"sec-edgar","filing":"0000919574-20-007248","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007248/ownership.xml","form_type":"4"}},{"id":2975223,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-18T17:43:14.000Z","date":"2020-11-16","kind":"sale","acquired":false,"shares":25000,"price":64.4996,"value":1612490.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0570 to $65.0569. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12397889,"source":{"system":"sec-edgar","filing":"0000919574-20-007248","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007248/ownership.xml","form_type":"4"}},{"id":2981374,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-13T19:42:19.000Z","date":"2020-11-13","kind":"sale","acquired":false,"shares":18820,"price":64.1464,"value":1207235.248,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0470 to $64.2600. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12422889,"source":{"system":"sec-edgar","filing":"0000919574-20-007016","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007016/ownership.xml","form_type":"4"}},{"id":2981373,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-13T19:42:19.000Z","date":"2020-11-12","kind":"sale","acquired":false,"shares":800,"price":64,"value":51200.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12441709,"source":{"system":"sec-edgar","filing":"0000919574-20-007016","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007016/ownership.xml","form_type":"4"}},{"id":2981372,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-13T19:42:19.000Z","date":"2020-11-11","kind":"sale","acquired":false,"shares":43800,"price":65.3803,"value":2863657.14,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $65.3200 to $65.5300. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12442509,"source":{"system":"sec-edgar","filing":"0000919574-20-007016","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007016/ownership.xml","form_type":"4"}},{"id":2981371,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-11-13T19:42:19.000Z","date":"2020-11-11","kind":"sale","acquired":false,"shares":76200,"price":64.9251,"value":4947292.62,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.3200 to $65.3199. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12486309,"source":{"system":"sec-edgar","filing":"0000919574-20-007016","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420007016/ownership.xml","form_type":"4"}},{"id":3110577,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-06-15T10:37:44.000Z","date":"2020-06-11","kind":"purchase","acquired":true,"shares":1,"price":43.71,"value":43.71,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act."}],"balance_after":134842,"source":{"system":"sec-edgar","filing":"0000919574-20-004114","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420004114/ownership.xml","form_type":"4"}},{"id":3110576,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-06-15T10:37:44.000Z","date":"2020-06-11","kind":"purchase","acquired":true,"shares":1,"price":43.71,"value":43.71,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act."}],"balance_after":143357,"source":{"system":"sec-edgar","filing":"0000919574-20-004114","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420004114/ownership.xml","form_type":"4"}},{"id":3110575,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-06-15T10:37:44.000Z","date":"2020-06-11","kind":"purchase","acquired":true,"shares":48,"price":43.71,"value":2098.08,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12562509,"source":{"system":"sec-edgar","filing":"0000919574-20-004114","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957420004114/ownership.xml","form_type":"4"}},{"id":3396672,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-10-07T19:05:23.000Z","date":"2019-10-04","kind":"purchase","acquired":true,"shares":9373,"price":32.9718,"value":309044.6814,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $32.8100 to $33.0000. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12562461,"source":{"system":"sec-edgar","filing":"0000919574-19-006273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957419006273/ownership.xml","form_type":"4"}},{"id":3396671,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-10-07T19:05:23.000Z","date":"2019-10-04","kind":"purchase","acquired":true,"shares":2237,"price":32.4116,"value":72504.7492,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.8100 to $32.8099. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12553088,"source":{"system":"sec-edgar","filing":"0000919574-19-006273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957419006273/ownership.xml","form_type":"4"}},{"id":3396670,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-10-07T19:05:23.000Z","date":"2019-10-03","kind":"purchase","acquired":true,"shares":85400,"price":31.4379,"value":2684796.66,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.2300 to $31.7200. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12550851,"source":{"system":"sec-edgar","filing":"0000919574-19-006273","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957419006273/ownership.xml","form_type":"4"}},{"id":3398590,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-10-03T17:15:26.000Z","date":"2019-10-02","kind":"purchase","acquired":true,"shares":140458,"price":31.5723,"value":4434582.1134,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.3800 to $31.9700. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,248,261 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,898 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12465451,"source":{"system":"sec-edgar","filing":"0000919574-19-006205","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957419006205/ownership.xml","form_type":"4"}},{"id":3398589,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-10-03T17:15:26.000Z","date":"2019-10-01","kind":"purchase","acquired":true,"shares":1300,"price":32.9815,"value":42875.95,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $32.9700 to $32.9900. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,248,261 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,898 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":12324993,"source":{"system":"sec-edgar","filing":"0000919574-19-006205","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957419006205/ownership.xml","form_type":"4"}},{"id":3398588,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-10-03T17:15:26.000Z","date":"2019-10-01","kind":"purchase","acquired":true,"shares":88115,"price":32.2652,"value":2843048.098,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.9700 to $32.9699. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC (\"BPH\"), BPSP, L.P. (\"BPSP\"), Stockbridge Partners LLC (\"SP\") and Berkshire Partners LLC (\"BP\"). Berkshire Fund IX, L.P. (\"BF IX\") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. (\"BF IX-A\") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC (\"9BA\") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,248,261 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,898 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. 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(f/k/a Stockbridge Special Situations Fund, L.P.) (\"SF\") holds 3,019,087 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. (\"SARF\") holds 9,199 shares of the Issuer's common stock and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC (\"SA\") is the general partner of SF and SARF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the \"Act\"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein."}],"balance_after":6831785,"source":{"system":"sec-edgar","filing":"0000919574-17-005768","document":"pwms8717-4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957417005768/pwms8717-4.xml","form_type":"4"}},{"id":4241349,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-07T20:03:50.000Z","date":"2017-08-04","kind":"purchase","acquired":true,"shares":514,"price":19.5758,"value":10061.9612,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $19.4500 to $20.0000. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act."}],"balance_after":51990,"source":{"system":"sec-edgar","filing":"0000919574-17-005768","document":"pwms8717-4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957417005768/pwms8717-4.xml","form_type":"4"}},{"id":4241348,"issuer":{"id":2328,"kind":"organization","name":"ADVANCED DRAINAGE SYSTEMS, INC.","symbol":"WMS"},"owners":[{"id":79479,"kind":"person","name":"Berkshire Partners Holdings LLC","position":1,"cik":"0001597786","reported_name":"Berkshire Partners Holdings LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79480,"kind":"person","name":"BPSP, L.P.","position":2,"cik":"0001597787","reported_name":"BPSP, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79473,"kind":"person","name":"Berkshire Partners LLC","position":3,"cik":"0001312988","reported_name":"Berkshire Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":118010,"kind":"organization","name":"Stockbridge Partners LLC","position":4,"cik":"0001505183","reported_name":"Stockbridge Partners LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132296,"kind":"organization","name":"Berkshire Fund IX, L.P.","position":5,"cik":"0001658315","reported_name":"Berkshire Fund IX, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132297,"kind":"organization","name":"Berkshire Fund IX-A, L.P.","position":6,"cik":"0001658319","reported_name":"Berkshire Fund IX-A, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132298,"kind":"organization","name":"Stockbridge Fund, L.P.","position":7,"cik":"0001501625","reported_name":"Stockbridge Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132299,"kind":"organization","name":"Stockbridge Absolute Return Fund, L.P.","position":8,"cik":"0001505182","reported_name":"Stockbridge Absolute Return Fund, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79476,"kind":"person","name":"Berkshire Investors III LLC","position":9,"cik":"0001505184","reported_name":"Berkshire Investors III LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":79477,"kind":"person","name":"Berkshire Investors IV LLC","position":10,"cik":"0001505185","reported_name":"Berkshire Investors IV LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-08-07T20:03:50.000Z","date":"2017-08-04","kind":"purchase","acquired":true,"shares":498,"price":19.5758,"value":9748.7484,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $19.4500 to $20.0000. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act."}],"balance_after":54539,"source":{"system":"sec-edgar","filing":"0000919574-17-005768","document":"pwms8717-4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1658315/000091957417005768/pwms8717-4.xml","form_type":"4"}}],"next_cursor":"2017-08-07T20:03:50.000000Z,4241348"}