X0609 4 2026-04-15 0 0001819796 GCM Grosvenor Inc. GCMG 0001610089 Bentley Pamela L false C/O GCM GROSVENOR INC. 900 NORTH MICHIGAN AVENUE, SUITE 1100 CHICAGO IL 60611 0 1 0 0 Chief Financial Officer 0 Class A Common Stock 2026-04-15 4 M 0 26568 A 69722 D Class A Common Stock 2026-04-15 4 F 0 29981 10.88 D 39741 D Restricted Stock Units 2026-04-15 4 M 0 26568 0 D Class A Common Stock 26568 0 D Represents Restricted Stock Units ("RSUs") that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on January 15, 2026, vested in full on April 15, 2026 and were settled in full on April 15, 2026. Each RSU represents the contingent right to receive one share of Class A Common Stock of the Issuer. 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, 2026. The share withholding for tax withholding obligations does not constitute any open-market sale. /s/ Burke Montgomery, Attorney-in-Fact 2026-04-17