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The RSUs will vest in three equal installments on May 15, 2027, May 15, 2028 and May 15, 2029, subject to the Reporting Person's continued service through the applicable vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026. The RSUs will vest in three equal installments on May 15, 2027, May 15, 2028 and May 15, 2029, subject to the Reporting Person's continued service through the applicable vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement."}],"balance_after":30435,"derivative":{"underlying":"Class A Common Stock","underlying_shares":30435},"source":{"system":"sec-edgar","filing":"0001628280-26-013952","document":"wk-form4_1772574352.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828026013952/wk-form4_1772574352.xml","form_type":"4"}},{"id":868008,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2026-03-03T21:45:54.000Z","date":"2026-03-01","kind":"exercise","planned":false,"acquired":false,"shares":13409,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan that was made on November 15, 2025. The RSUs vested in full on March 1, 2026, and delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan that was made on November 15, 2025. The RSUs vested in full on March 1, 2026, and delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":13409},"source":{"system":"sec-edgar","filing":"0001628280-26-013952","document":"wk-form4_1772574352.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828026013952/wk-form4_1772574352.xml","form_type":"4"}},{"id":868007,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2026-03-03T21:45:54.000Z","date":"2026-03-01","kind":"exercise","planned":false,"acquired":true,"shares":13409,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."}],"balance_after":71604,"source":{"system":"sec-edgar","filing":"0001628280-26-013952","document":"wk-form4_1772574352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828026013952/wk-form4_1772574352.xml","form_type":"4"}},{"id":937315,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2026-01-16T21:28:27.000Z","date":"2026-01-15","kind":"grant","planned":false,"acquired":true,"shares":7976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026. The RSUs will vest in full on April 15, 2026, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026. The RSUs will vest in full on April 15, 2026, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":7976,"derivative":{"underlying":"Class A Common Stock","underlying_shares":7976},"source":{"system":"sec-edgar","filing":"0001628280-26-002399","document":"wk-form4_1768598904.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828026002399/wk-form4_1768598904.xml","form_type":"4"}},{"id":981700,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2025-12-03T21:25:22.000Z","date":"2025-12-02","kind":"gift","planned":false,"acquired":false,"shares":2000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects charitable donation made by the Reporting Person."}],"balance_after":58195,"source":{"system":"sec-edgar","filing":"0001628280-25-055047","document":"wk-form4_1764797118.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828025055047/wk-form4_1764797118.xml","form_type":"4"}},{"id":995930,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2025-11-18T11:03:27.000Z","date":"2025-11-15","kind":"grant","planned":false,"acquired":true,"shares":13409,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on November 15, 2025. The RSUs will vest in full on March 1, 2026, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on November 15, 2025. The RSUs will vest in full on March 1, 2026, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":13409,"derivative":{"underlying":"Class A Common Stock","underlying_shares":13409},"source":{"system":"sec-edgar","filing":"0001628280-25-052768","document":"wk-form4_1763463804.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828025052768/wk-form4_1763463804.xml","form_type":"4"}},{"id":1067874,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2025-08-13T23:50:50.000Z","date":"2025-08-12","kind":"sale","planned":false,"acquired":false,"shares":6000,"price":13.0206,"value":78123.6,"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 $13.0100 to $13.0300, inclusive."}],"balance_after":60195,"source":{"system":"sec-edgar","filing":"0001684847-25-000005","document":"wk-form4_1755129047.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000168484725000005/wk-form4_1755129047.xml","form_type":"4"}},{"id":1125274,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock 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2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 12,121 RSUs vested on May 31, 2025, 12,121 RSUs will vest on May 31, 2026 and 12,122 will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 12,121 shares of Class A Common Stock of\nthe Issuer were delivered to the Reporting Person in settlement of 12,121 vested RSUs on May 31, 2025."}],"balance_after":24243,"derivative":{"underlying":"Class A Common 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2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents restricted stock units (\"RSUs\") that were granted under the Issuer's 2020 Incentive Award Plan on March 1, 2023. 12,500 RSUs vested on May 31, 2024, 12,500 RSUs vested on May 31,\n2025 and 12,500 will vest on May 31, 2026, subject to the Reporting Person's continued service through the vesting date. 12,500 shares of Class A Common Stock of the Issuer were delivered to the\nReporting Person in settlement of 12,500 vested RSUs on May 31, 2025."}],"balance_after":12500,"derivative":{"underlying":"Class A Common 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RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. 12,121 RSUs vested on May 31, 2025, 12,121 RSUs will vest on May 31, 2026 and 12,122 will vest on May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 12,121 shares of Class A Common Stock of\nthe Issuer were delivered to the Reporting Person in settlement of 12,121 vested RSUs on May 31, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU represents the contingent right to receive one share of Class A Common Stock of the 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were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2025, vested in full on April 15, 2025 and were settled in full on April 15, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2025, vested in full on April 15, 2025 and were settled in full on April 15, 2025."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4352},"source":{"system":"sec-edgar","filing":"0001628280-25-018478","document":"wk-form4_1745021033.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828025018478/wk-form4_1745021033.xml","form_type":"4"}},{"id":1169122,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor 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The cash settlement of RSUs does not constitute any open-market sale."}],"balance_after":54982,"source":{"system":"sec-edgar","filing":"0001628280-25-018478","document":"wk-form4_1745021033.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828025018478/wk-form4_1745021033.xml","form_type":"4"}},{"id":1169121,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2025-04-19T00:03:59.000Z","date":"2025-04-15","kind":"tax_withholding","planned":false,"acquired":false,"shares":8141,"price":12.61,"value":102658.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents shares of Class A Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of vested RSUs on April 15, 2025. 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Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":4352,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4352},"source":{"system":"sec-edgar","filing":"0001628280-25-001832","document":"wk-form4_1737148397.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828025001832/wk-form4_1737148397.xml","form_type":"4"}},{"id":1392193,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2024-10-03T21:17:49.000Z","date":"2024-10-01","kind":"grant","planned":false,"acquired":true,"shares":14023,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on October 1, 2024. 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The shares withheld for tax withholding obligations and the cash settlement of RSUs do not constitute any open-market sale."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2024, vested in full on April 15, 2024 and were settled in full on April 15, 2024. 1,611 shares of Class A Common Stock were withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of vested RSUs and 7,270 RSUs were settled in cash at the option of the Issuer in an amount of equal to fair market value of the shares of Class A Common Stock underlying the RSUs on April 15, 2024.  2,023 shares of Class A Common Stock were issued in settlement of 2,023 RSUs. The shares withheld for tax withholding obligations and the cash settlement of RSUs do not constitute any open-market sale."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2024, vested in full on April 15, 2024 and were settled in full on April 15, 2024. 1,611 shares of Class A Common Stock were withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of vested RSUs and 7,270 RSUs were settled in cash at the option of the Issuer in an amount of equal to fair market value of the shares of Class A Common Stock underlying the RSUs on April 15, 2024.  2,023 shares of Class A Common Stock were issued in settlement of 2,023 RSUs. 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The shares withheld for tax withholding obligations and the cash settlement of RSUs do not constitute any open-market sale."}],"balance_after":45403,"source":{"system":"sec-edgar","filing":"0001628280-24-016640","document":"wk-form4_1713401866.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024016640/wk-form4_1713401866.xml","form_type":"4"}},{"id":1540090,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2024-04-18T00:57:56.000Z","date":"2024-04-15","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":8881,"price":9.28,"value":82415.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2024, vested in full on April 15, 2024 and were settled in full on April 15, 2024. 1,611 shares of Class A Common Stock were withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of vested RSUs and 7,270 RSUs were settled in cash at the option of the Issuer in an amount of equal to fair market value of the shares of Class A Common Stock underlying the RSUs on April 15, 2024.  2,023 shares of Class A Common Stock were issued in settlement of 2,023 RSUs. 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The shares withheld for tax withholding obligations and the cash settlement of RSUs do not constitute any open-market sale."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer."}],"balance_after":72683,"source":{"system":"sec-edgar","filing":"0001628280-24-016640","document":"wk-form4_1713401866.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024016640/wk-form4_1713401866.xml","form_type":"4"}},{"id":1597139,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2024-03-05T22:05:05.000Z","date":"2024-03-01","kind":"grant","planned":false,"acquired":true,"shares":36364,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. The RSUs will vest in three equal installments on May 31, 2025, May 31, 2026 and May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024. The RSUs will vest in three equal installments on May 31, 2025, May 31, 2026 and May 31, 2027, subject to the Reporting Person's continued service through the applicable vesting date. 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The RSUs vested in full on March 1, 2024, and delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan that was made on October 2, 2023. The RSUs vested in full on March 1, 2024, and delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":22581},"source":{"system":"sec-edgar","filing":"0001628280-24-009001","document":"wk-form4_1709676292.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024009001/wk-form4_1709676292.xml","form_type":"4"}},{"id":1597137,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2024-03-05T22:05:05.000Z","date":"2024-03-01","kind":"exercise","planned":false,"acquired":false,"shares":2500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's 2020 Incentive Award Plan that was made on March 1, 2022. 2,500 RSUs vested on each of March 1, 2022, March 1, 2023 and March 1, 2024. Delivery of shares of Class A Common Stock in settlement of vested RSUs for this grant generally occurs in August of the year in which the RSUs vest."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's 2020 Incentive Award Plan that was made on March 1, 2022. 2,500 RSUs vested on each of March 1, 2022, March 1, 2023 and March 1, 2024. Delivery of shares of Class A Common Stock in settlement of vested RSUs for this grant generally occurs in August of the year in which the RSUs vest."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001628280-24-009001","document":"wk-form4_1709676292.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024009001/wk-form4_1709676292.xml","form_type":"4"}},{"id":1597136,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2024-03-05T22:05:05.000Z","date":"2024-03-01","kind":"exercise","planned":false,"acquired":true,"shares":22581,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."}],"balance_after":61779,"source":{"system":"sec-edgar","filing":"0001628280-24-009001","document":"wk-form4_1709676292.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024009001/wk-form4_1709676292.xml","form_type":"4"}},{"id":1597135,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2024-03-05T22:05:05.000Z","date":"2024-03-01","kind":"exercise","planned":false,"acquired":true,"shares":2500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."}],"balance_after":39198,"source":{"system":"sec-edgar","filing":"0001628280-24-009001","document":"wk-form4_1709676292.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024009001/wk-form4_1709676292.xml","form_type":"4"}},{"id":1679167,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2024-01-16T23:17:06.000Z","date":"2024-01-15","kind":"grant","planned":false,"acquired":true,"shares":10904,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2024. The RSUs will vest in full on April 15, 2024, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2024. The RSUs will vest in full on April 15, 2024, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":10904,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10904},"source":{"system":"sec-edgar","filing":"0001628280-24-001431","document":"wk-form4_1705447017.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828024001431/wk-form4_1705447017.xml","form_type":"4"}},{"id":1767777,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Restricted Stock Units","published_at":"2023-10-03T21:31:23.000Z","date":"2023-10-02","kind":"grant","planned":false,"acquired":true,"shares":22581,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (\"RSU\") represents the contingent right to receive one share of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on October 2, 2023. The RSUs will vest in full on March 1, 2024, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on October 2, 2023. The RSUs will vest in full on March 1, 2024, subject to the Reporting Person's continued service on the vesting date. Delivery of Class A Common Stock in settlement of vested RSUs will occur on the delivery date set forth in the applicable award agreement unless the Issuer elects to settle the RSUs in cash, or a combination of Class A Common Stock and cash, in the Issuer's sole discretion."}],"balance_after":22581,"derivative":{"underlying":"Class A Common Stock","underlying_shares":22581},"source":{"system":"sec-edgar","filing":"0001628280-23-033675","document":"wk-form4_1696368671.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828023033675/wk-form4_1696368671.xml","form_type":"4"}},{"id":1797803,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2023-08-24T21:11:24.000Z","date":"2023-08-24","kind":"sale","planned":false,"acquired":false,"shares":3130,"price":7.7049,"value":24116.337,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.6600 to $7.7300, inclusive."}],"balance_after":36698,"source":{"system":"sec-edgar","filing":"0001628280-23-030544","document":"wf-form4_169291147148998.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1819796/000162828023030544/wf-form4_169291147148998.xml","form_type":"4"}},{"id":1797802,"issuer":{"id":2006,"kind":"organization","name":"GCM Grosvenor Inc.","symbol":"GCMG"},"owners":[{"id":2007,"kind":"person","name":"SULLIVAN KATHLEEN PATRICIA","position":1,"cik":"0001684847","reported_name":"SULLIVAN KATHLEEN PATRICIA","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Principal Accounting Officer"}}],"security":"Class A Common Stock","published_at":"2023-08-24T21:11:24.000Z","date":"2023-08-23","kind":"sale","planned":false,"acquired":false,"shares":13570,"price":7.7343,"value":104954.451,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. 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