X0508 4 2026-03-01 0 0001819796 GCM Grosvenor Inc. GCMG 0001680611 Pollock Frederick C/O GCM GROSVENOR INC. 900 NORTH MICHIGAN AVENUE, SUITE 1100 CHICAGO IL 60611 0 1 0 0 Chief Investment Officer 0 Class A Common Stock 2026-03-01 4 M 0 50000 A 750917 D Class A Common Stock 2026-03-01 4 M 0 50000 A 800917 D Class A Common Stock 2026-03-02 4 F 0 39807 11.70 D 761110 D Restricted Stock Units 2026-03-01 4 M 0 50000 0 D Class A Common Stock 50000 50000 D Restricted Stock Units 2026-03-01 4 M 0 50000 0 D Class A Common Stock 50000 100000 D Restricted Stock Units 2026-03-01 4 A 0 60870 0 A Class A Common Stock 60870 60870 D Restricted Stock Units 2026-03-01 4 A 0 150000 0 A Class A Common Stock 150000 150000 D Each Restricted Stock Unit ("RSU") represents the contingent right to receive one share of Class A Common Stock of the Issuer. Represents shares of Class A Common Stock that have been withheld by the Issuer to satisfy tax withholding obligations in connection with the net settlement of RSUs that vested on March 1, 2026. The shares withheld represent a reduction of shares issued to the Reporting Person upon settlement of vested RSUs and do not constitute any open-market sale. Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2024 in accordance with the Reporting Person's employment agreement. 50,000 RSUs vested on March 1, 2025, 50,000 RSUs vested on March 1, 2026 and 50,000 RSUs will vest on March 1, 2027, subject to the Reporting Person's continued service through the vesting date. 50,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 50,000 vested RSUs on March 2, 2026. Represents RSUs that were granted under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2025 in accordance with the Reporting Person's employment agreement. 50,000 RSUs vested on March 1, 2026, and 50,000 RSUs will vest on each of March 1, 2027 and March 1, 2028, subject to the Reporting Person's continued service through the applicable vesting date. 50,000 shares of Class A Common Stock of the Issuer were delivered to the Reporting Person in settlement of 50,000 vested RSUs on March 2, 2026. Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026 made in accordance with the Reporting Person's employment agreement. The RSUs will vest in full on August 15, 2026, subject to the Reporting Person's continued service through 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. Represents a grant of RSUs under the Issuer's Amended and Restated 2020 Incentive Award Plan on March 1, 2026 made in accordance with the Reporting Person's employment agreement. The RSUs will vest in three equal installments on March 1, 2027, March 1, 2028 and March 1, 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. /s/ Burke Montgomery, Attorney-in-Fact 2026-03-03