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The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":1298444,"source":{"system":"sec-edgar","filing":"0001580642-26-001605","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001605/ownership.xml","form_type":"4"}},{"id":859495,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-03-05T16:42:42.000Z","date":"2026-03-04","kind":"purchase","planned":false,"acquired":true,"shares":124604,"price":8.1671,"value":1017653.3284,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Steven B. 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The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4878942,"source":{"system":"sec-edgar","filing":"0001580642-26-001523","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001523/ownership.xml","form_type":"4"}},{"id":859494,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-03-05T16:42:42.000Z","date":"2026-03-03","kind":"purchase","planned":false,"acquired":true,"shares":166997,"price":7.9426,"value":1326390.3722,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Steven B. 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The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":1219153,"source":{"system":"sec-edgar","filing":"0001580642-26-001523","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001523/ownership.xml","form_type":"4"}},{"id":859492,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-03-05T16:42:42.000Z","date":"2026-03-03","kind":"purchase","planned":false,"acquired":true,"shares":83498,"price":7.9426,"value":663191.2148,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. 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The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":1156852,"source":{"system":"sec-edgar","filing":"0001580642-26-001523","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001523/ownership.xml","form_type":"4"}},{"id":870308,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-03T16:53:56.000Z","date":"2026-03-02","kind":"purchase","planned":false,"acquired":true,"shares":124483,"price":7.7852,"value":969125.0516,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Steven B. 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The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4587341,"source":{"system":"sec-edgar","filing":"0001580642-26-001367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001367/ownership.xml","form_type":"4"}},{"id":870307,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-03T16:53:56.000Z","date":"2026-02-27","kind":"purchase","planned":false,"acquired":true,"shares":92001,"price":7.6924,"value":707708.4924,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Steven B. 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The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4462858,"source":{"system":"sec-edgar","filing":"0001580642-26-001367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001367/ownership.xml","form_type":"4"}},{"id":870306,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-03T16:53:56.000Z","date":"2026-03-02","kind":"purchase","planned":false,"acquired":true,"shares":62242,"price":7.7852,"value":484566.4184,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. 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The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":1073354,"source":{"system":"sec-edgar","filing":"0001580642-26-001367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001367/ownership.xml","form_type":"4"}},{"id":870305,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-03T16:53:56.000Z","date":"2026-02-27","kind":"purchase","planned":false,"acquired":true,"shares":46001,"price":7.6924,"value":353858.0924,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":1011112,"source":{"system":"sec-edgar","filing":"0001580642-26-001367","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000158064226001367/ownership.xml","form_type":"4"}},{"id":1036641,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-18T16:30:16.000Z","date":"2025-09-16","kind":"purchase","planned":false,"acquired":true,"shares":85352,"price":9.7813,"value":834853.5176,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"The Steven B. Klinsky 2024 Revocable Trust (\"2024 Trust 1\") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4370857,"source":{"system":"sec-edgar","filing":"0001104659-25-091289","document":"tm2526458-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465925091289/tm2526458-1_4seq1.xml","form_type":"4"}},{"id":1036640,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-09-18T16:30:16.000Z","date":"2025-09-16","kind":"purchase","planned":false,"acquired":true,"shares":21339,"price":9.7813,"value":208723.1607,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":965111,"source":{"system":"sec-edgar","filing":"0001104659-25-091289","document":"tm2526458-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465925091289/tm2526458-1_4seq1.xml","form_type":"4"}},{"id":1268136,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2025-02-14T16:33:27.000Z","date":"2024-12-17","kind":"other","planned":false,"acquired":true,"shares":3676696.506,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"shares","element":"transactionShares","label":"F2","text":"The original Form 4 filed on December 19, 2024 disclosed an estimated number of Shares received based on calculations available as of the date of the filing and, as a result of such estimation, overstated the number of Shares received by New Mountain GP Holdings, L.P. by 114,486.750 Shares. This amendment is being filed to correct the number of Shares received by New Mountain GP Holdings, L.P. and the amount of securities beneficially owned following the reported transaction based on the final calculation."},{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The original Form 4 filed on December 19, 2024 disclosed an estimated number of Shares received based on calculations available as of the date of the filing and, as a result of such estimation, overstated the number of Shares received by New Mountain GP Holdings, L.P. by 114,486.750 Shares. This amendment is being filed to correct the number of Shares received by New Mountain GP Holdings, L.P. and the amount of securities beneficially owned following the reported transaction based on the final calculation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Represents securities held directly by New Mountain GP Holdings, L.P. NM Holdings GP, L.L.C. is the general partner of New Mountain GP Holdings, L.P. Steven B. Klinsky is the sole member and managing member of NM Holdings GP, L.L.C. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of their/its pecuniary interest therein."}],"balance_after":3676696.506,"source":{"system":"sec-edgar","filing":"0001104659-25-014219","document":"tm255976-3_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465925014219/tm255976-3_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-12-19"}},{"id":1268135,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2025-02-14T16:33:27.000Z","date":"2024-12-17","kind":"other","planned":false,"acquired":true,"shares":2290651.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"shares","element":"transactionShares","label":"F1","text":"The original Form 4 filed on December 19, 2024 disclosed an estimated number of common shares of beneficial interest, par value $0.001 per share (the \"Shares\") received based on calculations available as of the date of the filing, and, as a result of such estimation, overstated the number of Shares received by Mr. Klinsky 71,553.888 Shares. This amendment is being filed to correct the number of Shares received by Mr. Klinsky and the amount of securities beneficially owned following the reported transaction based on the final calculation."},{"field":"shares","element":"transactionShares","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The original Form 4 filed on December 19, 2024 disclosed an estimated number of common shares of beneficial interest, par value $0.001 per share (the \"Shares\") received based on calculations available as of the date of the filing, and, as a result of such estimation, overstated the number of Shares received by Mr. Klinsky 71,553.888 Shares. This amendment is being filed to correct the number of Shares received by Mr. Klinsky and the amount of securities beneficially owned following the reported transaction based on the final calculation."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Reflects Shares that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."}],"balance_after":2290651.44,"source":{"system":"sec-edgar","filing":"0001104659-25-014219","document":"tm255976-3_4aseq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465925014219/tm255976-3_4aseq1.xml","form_type":"4/A","original_submission_date":"2024-12-19"}},{"id":1325762,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2024-12-19T21:04:35.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":12600,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares held by a trust established for the benefit of an immediate family member. Mr. Klinsky serves as trustee of the trust and, in such capacity, has investment and voting discretion over shares held by the trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":12600,"source":{"system":"sec-edgar","filing":"0001104659-24-130355","document":"tm2431374-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130355/tm2431374-6_4seq1.xml","form_type":"4"}},{"id":1325761,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2024-12-19T21:04:35.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":12600,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares held by a trust established for the benefit of an immediate family member. Mr. Klinsky serves as trustee of the trust and, in such capacity, has investment and voting discretion over shares held by the trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":12600,"source":{"system":"sec-edgar","filing":"0001104659-24-130355","document":"tm2431374-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130355/tm2431374-6_4seq1.xml","form_type":"4"}},{"id":1325760,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2024-12-19T21:04:35.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":12600,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares held by a trust established for the benefit of an immediate family member. Mr. Klinsky serves as trustee of the trust and, in such capacity, has investment and voting discretion over shares held by the trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":12600,"source":{"system":"sec-edgar","filing":"0001104659-24-130355","document":"tm2431374-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130355/tm2431374-6_4seq1.xml","form_type":"4"}},{"id":1325759,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2024-12-19T21:04:35.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":12600,"ownership":{"direct":false,"nature":"By Trust"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Includes 600 Shares that were received by the Reporting Person for no consideration in connection with such trust's purchase from the Issuer of 12,000 Shares at $25.00 per Share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Shares held by a trust established for the benefit of an immediate family member. Mr. Klinsky serves as trustee of the trust and, in such capacity, has investment and voting discretion over shares held by the trust. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":12600,"source":{"system":"sec-edgar","filing":"0001104659-24-130355","document":"tm2431374-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130355/tm2431374-6_4seq1.xml","form_type":"4"}},{"id":1325758,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2024-12-19T21:04:35.000Z","date":"2024-12-17","kind":"other","planned":false,"acquired":true,"shares":3791183.256,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects common shares of beneficial interest, par value $0.001 per share (the \"Shares\") that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects common shares of beneficial interest, par value $0.001 per share (the \"Shares\") that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects common shares of beneficial interest, par value $0.001 per share (the \"Shares\") that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Represents securities held directly by New Mountain GP Holdings, L.P. NM Holdings GP, L.L.C. is the general partner of New Mountain GP Holdings, L.P. Steven B. Klinsky is the sole member and managing member of NM Holdings GP, L.L.C. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of their/its pecuniary interest therein."}],"balance_after":3791183.256,"source":{"system":"sec-edgar","filing":"0001104659-24-130355","document":"tm2431374-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130355/tm2431374-6_4seq1.xml","form_type":"4"}},{"id":1325757,"issuer":{"id":83207,"kind":"organization","name":"New Mountain Private Credit Fund","symbol":"NONE"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common shares of ben. interest, par value $0.001 per share","published_at":"2024-12-19T21:04:35.000Z","date":"2024-12-17","kind":"other","planned":false,"acquired":true,"shares":2362205.328,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects common shares of beneficial interest, par value $0.001 per share (the \"Shares\") that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects common shares of beneficial interest, par value $0.001 per share (the \"Shares\") that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects common shares of beneficial interest, par value $0.001 per share (the \"Shares\") that were issued to New Mountain Guardian Investments III, L.L.C. to be held on behalf of its members in connection with the merger agreement between Issuer and New Mountain Guardian III BDC, L.L.C. (\"NMG\") and related transactions thereto and distributed pro rata to Reporting Person as a member of NMG effective as of the closing of such transactions. Shares received is an estimate based on calculations available as of the date of filing. The Reporting Person undertakes to amend this Form 4, if necessary, following the final calculation."}],"balance_after":2362205.328,"source":{"system":"sec-edgar","filing":"0001104659-24-130355","document":"tm2431374-6_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130355/tm2431374-6_4seq1.xml","form_type":"4"}},{"id":1325756,"issuer":{"id":84827,"kind":"organization","name":"New Mountain Guardian III BDC, L.L.C.","symbol":"N/A"},"owners":[{"id":84900,"kind":"organization","name":"New Mountain Guardian Investments III, L.L.C.","position":1,"cik":"0001788186","reported_name":"New Mountain Guardian Investments III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":2,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Interests","published_at":"2024-12-19T18:21:08.000Z","date":"2024-12-17","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":28078480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Disposed of pursuant to a merger agreement between Issuer and New Mountain Private Credit Fund (\"NEWCRED\") in exchange for 8,159,775.49 shares of beneficial interest of NEWCRED."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Represents securities held by New Mountain Guardian Investments III, L.L.C. Steven B. Klinsky is the managing member of New Mountain Guardian Investments III, L.L.C. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001104659-24-130295","document":"tm2431374-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130295/tm2431374-1_4seq1.xml","form_type":"4"}},{"id":1325755,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-19T16:21:31.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":48187,"price":11.2842,"value":543751.7454,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Steven B. Klinsky 2024 Revocable Trust (\"2024 Trust 1\") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4285505,"source":{"system":"sec-edgar","filing":"0001104659-24-130176","document":"tm2431598-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130176/tm2431598-1_4seq1.xml","form_type":"4"}},{"id":1325754,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-19T16:21:31.000Z","date":"2024-12-17","kind":"purchase","planned":false,"acquired":true,"shares":24093,"price":11.2842,"value":271870.2306,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":943772,"source":{"system":"sec-edgar","filing":"0001104659-24-130176","document":"tm2431598-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924130176/tm2431598-1_4seq1.xml","form_type":"4"}},{"id":1329709,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-17T16:38:58.000Z","date":"2024-12-16","kind":"purchase","planned":false,"acquired":true,"shares":60967,"price":11.7374,"value":715594.0658,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Steven B. Klinsky 2024 Revocable Trust (\"2024 Trust 1\") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4237318,"source":{"system":"sec-edgar","filing":"0001104659-24-129394","document":"tm2431341-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924129394/tm2431341-1_4seq1.xml","form_type":"4"}},{"id":1329708,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-17T16:38:58.000Z","date":"2024-12-13","kind":"purchase","planned":false,"acquired":true,"shares":6034,"price":11.7384,"value":70829.5056,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Steven B. Klinsky 2024 Revocable Trust (\"2024 Trust 1\") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4176351,"source":{"system":"sec-edgar","filing":"0001104659-24-129394","document":"tm2431341-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924129394/tm2431341-1_4seq1.xml","form_type":"4"}},{"id":1329707,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-17T16:38:58.000Z","date":"2024-12-16","kind":"purchase","planned":false,"acquired":true,"shares":30484,"price":11.7374,"value":357802.9016,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":919679,"source":{"system":"sec-edgar","filing":"0001104659-24-129394","document":"tm2431341-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924129394/tm2431341-1_4seq1.xml","form_type":"4"}},{"id":1329706,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-17T16:38:58.000Z","date":"2024-12-13","kind":"purchase","planned":false,"acquired":true,"shares":3017,"price":11.7384,"value":35414.7528,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."}],"balance_after":889195,"source":{"system":"sec-edgar","filing":"0001104659-24-129394","document":"tm2431341-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924129394/tm2431341-1_4seq1.xml","form_type":"4"}},{"id":1333034,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-13T16:30:13.000Z","date":"2024-12-12","kind":"purchase","planned":false,"acquired":true,"shares":11771,"price":11.7432,"value":138229.2072,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Steven B. Klinsky 2024 Revocable Trust (\"2024 Trust 1\") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein."}],"balance_after":4170317,"source":{"system":"sec-edgar","filing":"0001104659-24-128448","document":"tm2431050-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465924128448/tm2431050-1_4seq1.xml","form_type":"4"}},{"id":1333033,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-12-13T16:30:13.000Z","date":"2024-12-11","kind":"purchase","planned":false,"acquired":true,"shares":13213,"price":11.7448,"value":155184.0424,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Steven B. Klinsky 2024 Revocable Trust (\"2024 Trust 1\") directly owns these shares. 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Each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP expressly disclaim beneficial ownership over the securities held by CoyCo 1 and CoyCo 2 except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Held directly by CoyCo 2."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-130183","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000095017024130183/ownership.xml","form_type":"4"}},{"id":1354984,"issuer":{"id":85753,"kind":"organization","name":"R1 RCM Inc. /DE","symbol":"RCM"},"owners":[{"id":85754,"kind":"person","name":"New Mountain Capital, L.L.C.","position":1,"cik":"0001407718","reported_name":"New Mountain Capital, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85755,"kind":"person","name":"CoyCo 1, L.P.","position":2,"cik":"0001933650","reported_name":"CoyCo 1, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85756,"kind":"person","name":"CoyCo 2, L.P.","position":3,"cik":"0001933942","reported_name":"CoyCo 2, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85757,"kind":"person","name":"CoyCo GP, L.L.C.","position":4,"cik":"0001933937","reported_name":"CoyCo GP, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85758,"kind":"person","name":"New Mountain Partners V (AIV-D), L.P.","position":5,"cik":"0001933971","reported_name":"New Mountain Partners V (AIV-D), L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85759,"kind":"person","name":"New Mountain Investments V, L.L.C.","position":6,"cik":"0001844960","reported_name":"New Mountain Investments V, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85648,"kind":"organization","name":"New Mountain Capital Group, L.P.","position":7,"cik":"0001777024","reported_name":"New Mountain Capital Group, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85649,"kind":"organization","name":"NM Holdings GP, L.L.C.","position":8,"cik":"0001776766","reported_name":"NM Holdings GP, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":9,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-22T16:05:14.000Z","date":"2024-11-19","kind":"other","planned":false,"acquired":false,"shares":124910408,"price":14.3,"value":1786218834.4,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 19, 2024, R1 RCM Inc. completed its merger with Project Raven Merger Sub, Inc. and all shares of common stock beneficially owned by the Reporting Persons were cancelled and converted into the right to receive $14.30 per share in cash."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Held directly by CoyCo 1."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"CoyCo GP, L.L.C. 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Klinsky is the managing member of New Mountain Investments V and managing member of NM Holdings GP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Because of their relationships, each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP may be deemed to beneficially own the Common Shares held by CoyCo 1 and CoyCo 2.  Each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP expressly disclaim beneficial ownership over the securities held by CoyCo 1 and CoyCo 2 except to the extent of their pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-24-130183","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000095017024130183/ownership.xml","form_type":"4"}},{"id":1357717,"issuer":{"id":5211,"kind":"organization","name":"New Mountain Finance Corp","symbol":"NMFC"},"owners":[{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":1,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-11-20T16:49:01.000Z","date":"2024-11-19","kind":"purchase","planned":false,"acquired":true,"shares":36541,"price":11.6271,"value":424865.8611,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"The Steven B. 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under the New Mountain Finance Corporation dividend reinvestment plan."}],"balance_after":7420680.97,"source":{"system":"sec-edgar","filing":"0001104659-23-032897","document":"tm239477-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465923032897/tm239477-5_4seq1.xml","form_type":"4"}},{"id":2090277,"issuer":{"id":68803,"kind":"organization","name":"New Mountain Guardian IV BDC, L.L.C.","symbol":"NONE"},"owners":[{"id":87896,"kind":"organization","name":"New Mountain Guardian Investments IV, L.L.C.","position":1,"cik":"0001935633","reported_name":"New Mountain Guardian Investments IV, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":2,"cik":"0001018327","reported_name":"KLINSKY STEVEN 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Steven B. Klinsky is the managing member of New Mountain Guardian Investments IV, L.L.C. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein."}],"balance_after":3000000,"source":{"system":"sec-edgar","filing":"0001104659-22-126296","document":"tm2232321-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465922126296/tm2232321-2_4seq1.xml","form_type":"4"}},{"id":2130606,"issuer":{"id":85753,"kind":"organization","name":"R1 RCM Inc. /DE","symbol":"RCM"},"owners":[{"id":85754,"kind":"person","name":"New Mountain Capital, L.L.C.","position":1,"cik":"0001407718","reported_name":"New Mountain Capital, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85755,"kind":"person","name":"CoyCo 1, L.P.","position":2,"cik":"0001933650","reported_name":"CoyCo 1, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85756,"kind":"person","name":"CoyCo 2, L.P.","position":3,"cik":"0001933942","reported_name":"CoyCo 2, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85757,"kind":"person","name":"CoyCo GP, L.L.C.","position":4,"cik":"0001933937","reported_name":"CoyCo GP, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85758,"kind":"person","name":"New Mountain Partners V (AIV-D), L.P.","position":5,"cik":"0001933971","reported_name":"New Mountain Partners V (AIV-D), L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85759,"kind":"person","name":"New Mountain Investments V, L.L.C.","position":6,"cik":"0001844960","reported_name":"New Mountain Investments V, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85648,"kind":"organization","name":"New Mountain Capital Group, L.P.","position":7,"cik":"0001777024","reported_name":"New Mountain Capital Group, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85649,"kind":"organization","name":"NM Holdings GP, L.L.C.","position":8,"cik":"0001776766","reported_name":"NM Holdings GP, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":9,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-10-28T18:59:26.000Z","date":"2022-10-26","kind":"other","acquired":true,"shares":9454,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On January 9, 2022, CoyCo 1, L.P. (\"CoyCo 1\") and CoyCo 2, L.P. (\"CoyCo 2\") entered into a Transaction Agreement and Plan of Merger (the \"Transaction Agreement\") with R1 RCM Holdco Inc. (f/k/a R1 RCM Inc.), formerly the Issuer's parent, Project Roadrunner Merger Sub Inc., formerly a wholly owned subsidiary of the Issuer, and Revint Holdings, LLC, a Delaware limited liability company (\"Cloudmed\"), pursuant to which CoyCo 1 and CoyCo 2 contributed 100% of the equity of a blocker parent of their subsidiaries, which included Cloudmed, to the Issuer in exchange for 135,929,742 shares of common stock of the Issuer and $1,000,000 (the \"Acquisition\").  The Acquisition closed on June 21, 2022 (the \"Closing Date\")."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The Transaction Agreement included a purchase price adjustment provision which provided that the consideration received by the Reporting Persons in connection with the Acquisition would be adjusted based on Cloudmed's net debt as of closing, transaction expenses and certain cash payments and issuances of securities between signing and closing and in connection with certain incentive plans.  The number of shares issuable pursuant to the purchase price adjustment provision was determined on October 26, 2022, pursuant to a formula set forth in the Transaction Agreement which provided that, for the purpose of determining the number of shares issuable, the Issuer's common stock would be valued at $24.83 per share.  Pursuant to the purchase price adjustment provision, 55,846 shares are issuable to the Reporting Persons. The Reporting Persons' right to receive such additional shares became fixed and irrevocable on the Closing Date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 9, 2022, CoyCo 1, L.P. (\"CoyCo 1\") and CoyCo 2, L.P. (\"CoyCo 2\") entered into a Transaction Agreement and Plan of Merger (the \"Transaction Agreement\") with R1 RCM Holdco Inc. (f/k/a R1 RCM Inc.), formerly the Issuer's parent, Project Roadrunner Merger Sub Inc., formerly a wholly owned subsidiary of the Issuer, and Revint Holdings, LLC, a Delaware limited liability company (\"Cloudmed\"), pursuant to which CoyCo 1 and CoyCo 2 contributed 100% of the equity of a blocker parent of their subsidiaries, which included Cloudmed, to the Issuer in exchange for 135,929,742 shares of common stock of the Issuer and $1,000,000 (the \"Acquisition\").  The Acquisition closed on June 21, 2022 (the \"Closing Date\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The Transaction Agreement included a purchase price adjustment provision which provided that the consideration received by the Reporting Persons in connection with the Acquisition would be adjusted based on Cloudmed's net debt as of closing, transaction expenses and certain cash payments and issuances of securities between signing and closing and in connection with certain incentive plans.  The number of shares issuable pursuant to the purchase price adjustment provision was determined on October 26, 2022, pursuant to a formula set forth in the Transaction Agreement which provided that, for the purpose of determining the number of shares issuable, the Issuer's common stock would be valued at $24.83 per share.  Pursuant to the purchase price adjustment provision, 55,846 shares are issuable to the Reporting Persons. The Reporting Persons' right to receive such additional shares became fixed and irrevocable on the Closing Date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CoyCo GP, L.L.C. (\"CoyCo GP\") is the general partner of each of CoyCo 1 and CoyCo 2.  New Mountain Partners V (AIV-D), L.P. (\"AIV-D\") is the manager of CoyCo GP. New Mountain Investments V, L.L.C. (\"Investments V\") has decision-making power over the disposition and voting of securities of portfolio investments of AIV-D.  New Mountain Capital, L.L.C. (\"New Mountain Capital\") also has voting power over the securities of portfolio investments of AIV-D. New Mountain Capital Group, L.P. (\"New Mountain Capital Group\") is the managing member of New Mountain Capital.  NM Holdings GP, L.L.C. (\"NM Holdings GP\") is the general partner of New Mountain Capital Group.  Steven B. Klinsky is the managing member of New Mountain Investments V and managing member of NM Holdings GP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Because of their relationships, each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP may be deemed to beneficially own the Common Shares held by CoyCo 1 and CoyCo 2.  Each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP expressly disclaim beneficial ownership over the securities held by CoyCo 1 and CoyCo 2 except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Held directly by CoyCo 2."}],"balance_after":11075180,"source":{"system":"sec-edgar","filing":"0000899243-22-034483","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000089924322034483/doc4.xml","form_type":"4"}},{"id":2130605,"issuer":{"id":85753,"kind":"organization","name":"R1 RCM Inc. /DE","symbol":"RCM"},"owners":[{"id":85754,"kind":"person","name":"New Mountain Capital, L.L.C.","position":1,"cik":"0001407718","reported_name":"New Mountain Capital, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85755,"kind":"person","name":"CoyCo 1, L.P.","position":2,"cik":"0001933650","reported_name":"CoyCo 1, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85756,"kind":"person","name":"CoyCo 2, L.P.","position":3,"cik":"0001933942","reported_name":"CoyCo 2, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85757,"kind":"person","name":"CoyCo GP, L.L.C.","position":4,"cik":"0001933937","reported_name":"CoyCo GP, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85758,"kind":"person","name":"New Mountain Partners V (AIV-D), L.P.","position":5,"cik":"0001933971","reported_name":"New Mountain Partners V (AIV-D), L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85759,"kind":"person","name":"New Mountain Investments V, L.L.C.","position":6,"cik":"0001844960","reported_name":"New Mountain Investments V, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85648,"kind":"organization","name":"New Mountain Capital Group, L.P.","position":7,"cik":"0001777024","reported_name":"New Mountain Capital Group, L.P.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":85649,"kind":"organization","name":"NM Holdings GP, L.L.C.","position":8,"cik":"0001776766","reported_name":"NM Holdings GP, L.L.C.","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":9,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2022-10-28T18:59:26.000Z","date":"2022-10-26","kind":"other","acquired":true,"shares":46392,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On January 9, 2022, CoyCo 1, L.P. (\"CoyCo 1\") and CoyCo 2, L.P. (\"CoyCo 2\") entered into a Transaction Agreement and Plan of Merger (the \"Transaction Agreement\") with R1 RCM Holdco Inc. (f/k/a R1 RCM Inc.), formerly the Issuer's parent, Project Roadrunner Merger Sub Inc., formerly a wholly owned subsidiary of the Issuer, and Revint Holdings, LLC, a Delaware limited liability company (\"Cloudmed\"), pursuant to which CoyCo 1 and CoyCo 2 contributed 100% of the equity of a blocker parent of their subsidiaries, which included Cloudmed, to the Issuer in exchange for 135,929,742 shares of common stock of the Issuer and $1,000,000 (the \"Acquisition\").  The Acquisition closed on June 21, 2022 (the \"Closing Date\")."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The Transaction Agreement included a purchase price adjustment provision which provided that the consideration received by the Reporting Persons in connection with the Acquisition would be adjusted based on Cloudmed's net debt as of closing, transaction expenses and certain cash payments and issuances of securities between signing and closing and in connection with certain incentive plans.  The number of shares issuable pursuant to the purchase price adjustment provision was determined on October 26, 2022, pursuant to a formula set forth in the Transaction Agreement which provided that, for the purpose of determining the number of shares issuable, the Issuer's common stock would be valued at $24.83 per share.  Pursuant to the purchase price adjustment provision, 55,846 shares are issuable to the Reporting Persons. The Reporting Persons' right to receive such additional shares became fixed and irrevocable on the Closing Date."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 9, 2022, CoyCo 1, L.P. (\"CoyCo 1\") and CoyCo 2, L.P. (\"CoyCo 2\") entered into a Transaction Agreement and Plan of Merger (the \"Transaction Agreement\") with R1 RCM Holdco Inc. (f/k/a R1 RCM Inc.), formerly the Issuer's parent, Project Roadrunner Merger Sub Inc., formerly a wholly owned subsidiary of the Issuer, and Revint Holdings, LLC, a Delaware limited liability company (\"Cloudmed\"), pursuant to which CoyCo 1 and CoyCo 2 contributed 100% of the equity of a blocker parent of their subsidiaries, which included Cloudmed, to the Issuer in exchange for 135,929,742 shares of common stock of the Issuer and $1,000,000 (the \"Acquisition\").  The Acquisition closed on June 21, 2022 (the \"Closing Date\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The Transaction Agreement included a purchase price adjustment provision which provided that the consideration received by the Reporting Persons in connection with the Acquisition would be adjusted based on Cloudmed's net debt as of closing, transaction expenses and certain cash payments and issuances of securities between signing and closing and in connection with certain incentive plans.  The number of shares issuable pursuant to the purchase price adjustment provision was determined on October 26, 2022, pursuant to a formula set forth in the Transaction Agreement which provided that, for the purpose of determining the number of shares issuable, the Issuer's common stock would be valued at $24.83 per share.  Pursuant to the purchase price adjustment provision, 55,846 shares are issuable to the Reporting Persons. The Reporting Persons' right to receive such additional shares became fixed and irrevocable on the Closing Date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Held directly by CoyCo 1."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"CoyCo GP, L.L.C. (\"CoyCo GP\") is the general partner of each of CoyCo 1 and CoyCo 2.  New Mountain Partners V (AIV-D), L.P. (\"AIV-D\") is the manager of CoyCo GP. New Mountain Investments V, L.L.C. (\"Investments V\") has decision-making power over the disposition and voting of securities of portfolio investments of AIV-D.  New Mountain Capital, L.L.C. (\"New Mountain Capital\") also has voting power over the securities of portfolio investments of AIV-D. New Mountain Capital Group, L.P. (\"New Mountain Capital Group\") is the managing member of New Mountain Capital.  NM Holdings GP, L.L.C. (\"NM Holdings GP\") is the general partner of New Mountain Capital Group.  Steven B. Klinsky is the managing member of New Mountain Investments V and managing member of NM Holdings GP."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Because of their relationships, each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP may be deemed to beneficially own the Common Shares held by CoyCo 1 and CoyCo 2.  Each of Mr. Klinsky, CoyCo GP, AIV-D, New Mountain Investments V, New Mountain Capital, New Mountain Capital Group and NM Holdings GP expressly disclaim beneficial ownership over the securities held by CoyCo 1 and CoyCo 2 except to the extent of their pecuniary interest therein."}],"balance_after":124910408,"source":{"system":"sec-edgar","filing":"0000899243-22-034483","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000089924322034483/doc4.xml","form_type":"4"}},{"id":2147893,"issuer":{"id":84827,"kind":"organization","name":"New Mountain Guardian III BDC, L.L.C.","symbol":"N/A"},"owners":[{"id":84900,"kind":"organization","name":"New Mountain Guardian Investments III, L.L.C.","position":1,"cik":"0001788186","reported_name":"New Mountain Guardian Investments III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":2,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Interests","published_at":"2022-10-03T17:06:06.000Z","date":"2022-03-10","kind":"purchase","acquired":true,"shares":5615696,"price":10,"value":56156960.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Represents securities held by New Mountain Guardian Investments III, L.L.C. Steven B. Klinsky is the managing member of New Mountain Guardian Investments III, L.L.C. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein."}],"balance_after":28078480,"source":{"system":"sec-edgar","filing":"0001104659-22-105343","document":"tm2226663-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465922105343/tm2226663-1_4seq1.xml","form_type":"4"}},{"id":2147892,"issuer":{"id":84827,"kind":"organization","name":"New Mountain Guardian III BDC, L.L.C.","symbol":"N/A"},"owners":[{"id":84900,"kind":"organization","name":"New Mountain Guardian Investments III, L.L.C.","position":1,"cik":"0001788186","reported_name":"New Mountain Guardian Investments III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":2,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Interests","published_at":"2022-10-03T17:06:06.000Z","date":"2021-12-01","kind":"purchase","acquired":true,"shares":5615696,"price":10,"value":56156960.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Represents securities held by New Mountain Guardian Investments III, L.L.C. Steven B. Klinsky is the managing member of New Mountain Guardian Investments III, L.L.C. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein."}],"balance_after":22462784,"source":{"system":"sec-edgar","filing":"0001104659-22-105343","document":"tm2226663-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1018327/000110465922105343/tm2226663-1_4seq1.xml","form_type":"4"}},{"id":2147891,"issuer":{"id":84827,"kind":"organization","name":"New Mountain Guardian III BDC, L.L.C.","symbol":"N/A"},"owners":[{"id":84900,"kind":"organization","name":"New Mountain Guardian Investments III, L.L.C.","position":1,"cik":"0001788186","reported_name":"New Mountain Guardian Investments III, L.L.C.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":61359,"kind":"person","name":"KLINSKY STEVEN B","position":2,"cik":"0001018327","reported_name":"KLINSKY STEVEN B","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"LLC Interests","published_at":"2022-10-03T17:06:06.000Z","date":"2021-10-11","kind":"purchase","acquired":true,"shares":7565196,"price":10,"value":75651960.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Represents securities held by New Mountain Guardian Investments III, L.L.C. Steven B. Klinsky is the managing member of New Mountain Guardian Investments III, L.L.C. 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