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These shares were sold in multiple transactions at prices ranging from $87.03 to $87.99, inclusive. The reporting person undertakes to provide to Acadian Asset Management Inc., any securityholder of Acadian Asset Management Inc. 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 footnote (2) to this Form 4."}],"balance_after":247,"source":{"system":"sec-edgar","filing":"0001628280-26-053337","document":"wk-form4_1785960464.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1806909/000162828026053337/wk-form4_1785960464.xml","form_type":"4"}},{"id":696299,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":26394,"kind":"person","name":"Wiater Christina","position":1,"cik":"0001806909","reported_name":"Wiater Christina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PAO"}}],"security":"Common Stock","published_at":"2026-08-05T20:07:47.000Z","date":"2026-08-03","kind":"sale","planned":false,"acquired":false,"shares":7978,"price":86.6082,"value":690960.2196,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.5 to $86.78, inclusive. The reporting person undertakes to provide to Acadian Asset Management Inc., any securityholder of Acadian Asset Management Inc. 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 footnote (1) to this Form 4."}],"balance_after":17636,"source":{"system":"sec-edgar","filing":"0001628280-26-053337","document":"wk-form4_1785960464.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1806909/000162828026053337/wk-form4_1785960464.xml","form_type":"4"}},{"id":730919,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":25954,"kind":"organization","name":"PAULSON & CO. INC.","position":1,"cik":"0001035674","reported_name":"PAULSON & CO. 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Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the \"Act\"), the filing of this Form 4 shall not be deemed an admission by any person reporting on this Form 4 that such person, for purposes of Section 16 of the Act or otherwise, is the beneficial owner of any equity securities covered by this Form 4."}],"balance_after":5843282,"source":{"system":"sec-edgar","filing":"0001013594-26-000681","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035674/000101359426000681/form4.xml","form_type":"4"}},{"id":737373,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23384,"kind":"person","name":"Trebbi Barbara","position":1,"cik":"0001730619","reported_name":"Trebbi Barbara","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-06-15T22:52:58.000Z","date":"2026-06-12","kind":"grant","planned":false,"acquired":true,"shares":1288,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"shares","element":"transactionShares","label":"F3","text":"Consists of restricted stock units under the Acadian Asset Management Inc. 2026 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On June 12, 2026, the reporting person was granted 1,288 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset Management Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On June 12, 2026, the reporting person was granted 1,288 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":1288,"derivative":{"underlying":"Common Stock","underlying_shares":1288},"source":{"system":"sec-edgar","filing":"0001628280-26-043360","document":"wk-form4_1781563975.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000162828026043360/wk-form4_1781563975.xml","form_type":"4"}},{"id":737372,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23384,"kind":"person","name":"Trebbi Barbara","position":1,"cik":"0001730619","reported_name":"Trebbi Barbara","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-15T22:52:58.000Z","date":"2026-06-15","kind":"gift","planned":false,"acquired":true,"shares":10260,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Landry Trebbi 2012 Family Grantor Trust dated 12/31/2012"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares are held in a trust for the benefit of the reporting person's child. The reporting person, the reporting person's spouse and a third party are trustees of the trust."}],"balance_after":10260,"source":{"system":"sec-edgar","filing":"0001628280-26-043360","document":"wk-form4_1781563975.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000162828026043360/wk-form4_1781563975.xml","form_type":"4"}},{"id":737371,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23384,"kind":"person","name":"Trebbi Barbara","position":1,"cik":"0001730619","reported_name":"Trebbi Barbara","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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annual meeting of stockholders of Acadian Asset Management Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On June 12, 2026, the reporting person was granted 1,288 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":1288,"derivative":{"underlying":"Common Stock","underlying_shares":1288},"source":{"system":"sec-edgar","filing":"0001628280-26-043348","document":"wk-form4_1781563652.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000162828026043348/wk-form4_1781563652.xml","form_type":"4"}},{"id":737528,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":33372,"kind":"person","name":"Paulson John","position":1,"cik":"0001394923","reported_name":"Paulson 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reporting person was granted 2,253 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset\nManagement Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On June 12, 2026, the reporting person was granted 2,253 restricted stock units vesting upon the earlier of June 12, 2027 and the date of the 2027 annual meeting of stockholders of Acadian Asset\nManagement Inc."}],"balance_after":2253,"derivative":{"underlying":"Common Stock","underlying_shares":2253},"source":{"system":"sec-edgar","filing":"0001628280-26-043346","document":"wk-form4_1781563460.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1394923/000162828026043346/wk-form4_1781563460.xml","form_type":"4"}},{"id":774491,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management 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units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On May 14, 2025, the reporting person was granted 5,750 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":5750},"source":{"system":"sec-edgar","filing":"0001628280-26-035924","document":"wk-form4_1779134987.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1394923/000162828026035924/wk-form4_1779134987.xml","form_type":"4"}},{"id":774490,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":33372,"kind":"person","name":"Paulson 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Management Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3286},"source":{"system":"sec-edgar","filing":"0001628280-26-035920","document":"wk-form4_1779134772.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000162828026035920/wk-form4_1779134772.xml","form_type":"4"}},{"id":775033,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23382,"kind":"person","name":"Chersi Robert J","position":1,"cik":"0001668247","reported_name":"Chersi Robert 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reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3286},"source":{"system":"sec-edgar","filing":"0001628280-26-035917","document":"wk-form4_1779134641.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000162828026035917/wk-form4_1779134641.xml","form_type":"4"}},{"id":774280,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23384,"kind":"person","name":"Trebbi Barbara","position":1,"cik":"0001730619","reported_name":"Trebbi Barbara","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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These shares were sold in multiple transactions at prices ranging from $67.56 to $67.84, inclusive. The reporting person undertakes to provide to Acadian Asset Management Inc., any securityholder of Acadian Asset Management Inc. 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 footnote (2) to this Form 4."}],"balance_after":73863,"source":{"system":"sec-edgar","filing":"0001628280-26-030782","document":"wk-form4_1778018797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1810382/000162828026030782/wk-form4_1778018797.xml","form_type":"4"}},{"id":791807,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":49663,"kind":"person","name":"Hart Richard Jonathan","position":1,"cik":"0001810382","reported_name":"Hart Richard Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CLO and CAO"}}],"security":"Common Stock","published_at":"2026-05-05T22:06:40.000Z","date":"2026-05-04","kind":"sale","planned":false,"acquired":false,"shares":88792,"price":66.8747,"value":5937938.3624,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.55 to $67.47, inclusive. 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These shares were sold in multiple transactions at prices ranging from $50.92 to $51.67, inclusive. The reporting person undertakes to provide to Acadian Asset Management Inc., any securityholder of Acadian Asset Management Inc. 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 footnote (1) to this Form 4."}],"balance_after":35771,"source":{"system":"sec-edgar","filing":"0001628280-26-007836","document":"wk-form4_1770937799.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000162828026007836/wk-form4_1770937799.xml","form_type":"4"}},{"id":1047030,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":25954,"kind":"organization","name":"PAULSON & CO. INC.","position":1,"cik":"0001035674","reported_name":"PAULSON & CO. 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Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the \"Act\"), the filing of this Form 4 shall not be deemed an admission by any person reporting on this Form 4 that such person, for purposes of Section 16 of the Act or otherwise, is the beneficial owner of any equity securities covered by this Form 4."}],"balance_after":7743282,"source":{"system":"sec-edgar","filing":"0001013594-25-001139","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1035674/000101359425001139/form4.xml","form_type":"4"}},{"id":1116336,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23382,"kind":"person","name":"Chersi Robert J","position":1,"cik":"0001668247","reported_name":"Chersi Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-10T20:54:17.000Z","date":"2025-06-10","kind":"gift","planned":false,"acquired":true,"shares":27986,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By Robert J. Chersi 2012 Family Trust"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"These shares are held in trust for the benefit of the reporting person's children. The reporting person's spouse is the trustee of the trust."}],"balance_after":66137,"source":{"system":"sec-edgar","filing":"0001748824-25-000049","document":"wk-form4_1749588851.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000174882425000049/wk-form4_1749588851.xml","form_type":"4"}},{"id":1116335,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23382,"kind":"person","name":"Chersi Robert J","position":1,"cik":"0001668247","reported_name":"Chersi Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-10T20:54:17.000Z","date":"2025-06-10","kind":"gift","planned":false,"acquired":false,"shares":27986,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"source":{"system":"sec-edgar","filing":"0001748824-25-000049","document":"wk-form4_1749588851.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000174882425000049/wk-form4_1749588851.xml","form_type":"4"}},{"id":1147062,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":33372,"kind":"person","name":"Paulson John","position":1,"cik":"0001394923","reported_name":"Paulson John","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-05-15T21:53:52.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":5750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"shares","element":"transactionShares","label":"F3","text":"Consists of restricted stock units issued under the Acadian Asset Management Inc. 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Non-Employee Directors' Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":3286,"derivative":{"underlying":"Common Stock","underlying_shares":3286},"source":{"system":"sec-edgar","filing":"0001748824-25-000039","document":"wk-form4_1747341015.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000174882425000039/wk-form4_1747341015.xml","form_type":"4"}},{"id":1146892,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23384,"kind":"person","name":"Trebbi Barbara","position":1,"cik":"0001730619","reported_name":"Trebbi Barbara","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-05-15T20:30:22.000Z","date":"2025-05-13","kind":"exercise","planned":false,"acquired":false,"shares":4437,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"On June 7, 2024, the reporting person was granted 4,437 restricted stock units vesting upon the earlier of June 7, 2025 and the date of the 2025 annual meeting of stockholders of Acadian Asset Management Inc., which was held on May 13, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On June 7, 2024, the reporting person was granted 4,437 restricted stock units vesting upon the earlier of June 7, 2025 and the date of the 2025 annual meeting of stockholders of Acadian Asset Management Inc., which was held on May 13, 2025."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4437},"source":{"system":"sec-edgar","filing":"0001748824-25-000039","document":"wk-form4_1747341015.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000174882425000039/wk-form4_1747341015.xml","form_type":"4"}},{"id":1146891,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23384,"kind":"person","name":"Trebbi Barbara","position":1,"cik":"0001730619","reported_name":"Trebbi Barbara","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:30:22.000Z","date":"2025-05-13","kind":"exercise","planned":false,"acquired":true,"shares":4437,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":45462,"source":{"system":"sec-edgar","filing":"0001748824-25-000039","document":"wk-form4_1747341015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1730619/000174882425000039/wk-form4_1747341015.xml","form_type":"4"}},{"id":1147324,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23382,"kind":"person","name":"Chersi Robert J","position":1,"cik":"0001668247","reported_name":"Chersi Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-05-15T20:29:43.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":3286,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"shares","element":"transactionShares","label":"F4","text":"Consists of restricted stock units issued under the Acadian Asset Management Inc. Non-Employee Directors' Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On May 14, 2025, the reporting person was granted 3,286 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc."}],"balance_after":3286,"derivative":{"underlying":"Common Stock","underlying_shares":3286},"source":{"system":"sec-edgar","filing":"0001748824-25-000038","document":"wk-form4_1747340977.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000174882425000038/wk-form4_1747340977.xml","form_type":"4"}},{"id":1147323,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23382,"kind":"person","name":"Chersi Robert J","position":1,"cik":"0001668247","reported_name":"Chersi Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2025-05-15T20:29:43.000Z","date":"2025-05-13","kind":"exercise","planned":false,"acquired":false,"shares":4437,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On June 7, 2024, the reporting person was granted 4,437 restricted stock units vesting upon the earlier of June 7, 2025 and the date of the 2025 annual meeting of stockholders of Acadian Asset Management Inc., which was held on May 13, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On June 7, 2024, the reporting person was granted 4,437 restricted stock units vesting upon the earlier of June 7, 2025 and the date of the 2025 annual meeting of stockholders of Acadian Asset Management Inc., which was held on May 13, 2025."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4437},"source":{"system":"sec-edgar","filing":"0001748824-25-000038","document":"wk-form4_1747340977.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000174882425000038/wk-form4_1747340977.xml","form_type":"4"}},{"id":1147322,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":23382,"kind":"person","name":"Chersi Robert J","position":1,"cik":"0001668247","reported_name":"Chersi Robert J","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-15T20:29:43.000Z","date":"2025-05-13","kind":"exercise","planned":false,"acquired":true,"shares":4437,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":27986,"source":{"system":"sec-edgar","filing":"0001748824-25-000038","document":"wk-form4_1747340977.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1668247/000174882425000038/wk-form4_1747340977.xml","form_type":"4"}},{"id":1261923,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":26394,"kind":"person","name":"Wiater Christina","position":1,"cik":"0001806909","reported_name":"Wiater Christina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PFO / PAO"}}],"security":"Restricted Stock Units","published_at":"2025-02-20T00:15:55.000Z","date":"2025-02-15","kind":"exercise","planned":false,"acquired":false,"shares":5180,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents the right to receive one share of common stock of Acadian Asset Management Inc."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On February 15, 2023, the reporting person was granted 4,059 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2024, February 15, 2025 and February 15, 2026. On February 15, 2024, the reporting person was granted 11,481 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2025, February 15, 2026 and February 15, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"On February 15, 2023, the reporting person was granted 4,059 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2024, February 15, 2025 and February 15, 2026. On February 15, 2024, the reporting person was granted 11,481 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2025, February 15, 2026 and February 15, 2027."}],"balance_after":21025,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":5180},"source":{"system":"sec-edgar","filing":"0001748824-25-000014","document":"wk-form4_1740010549.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1806909/000174882425000014/wk-form4_1740010549.xml","form_type":"4"}},{"id":1261922,"issuer":{"id":4180,"kind":"organization","name":"Acadian Asset Management Inc."},"owners":[{"id":26394,"kind":"person","name":"Wiater Christina","position":1,"cik":"0001806909","reported_name":"Wiater Christina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PFO / 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