Michael Jay Sacks - 12 May 2025 Form 4 Insider Report for GCM Grosvenor Inc. (GCMG)

Role: Chief Executive Officer, Director, 10%+ Owner
Signature: /s/ Burke Montgomery, Attorney-in-Fact for Michael J. Sacks
Issuer symbol: GCMG
Transactions as of: 12 May 2025
Net transactions value: $0
Form type: 4
Filing time: 12 May 2025, 20:57:38 UTC
Previous filing: 21 Mar 2025
Next filing: 18 Nov 2025
SEC: View on sec.gov

Reporting Owners (3)

Name	Relationship	Address	Signature	Signature date	CIK
Sacks Michael Jay	Chief Executive Officer, Director, 10%+ Owner	C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO	/s/ Burke Montgomery, Attorney-in-Fact for Michael J. Sacks	12 May 2025	0001509764
Grosvenor Holdings, L.L.C.	10%+ Owner	C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO	/s/ Burke Montgomery, Attorney-in-Fact for Grosvenor Holdings, L.L.C.	12 May 2025	0001743987
GCM V, LLC	10%+ Owner	C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO	/s/ Burke Montgomery, Attorney-in-Fact for GCM V, LLC	12 May 2025	0001831172

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GCMG	Class A Common Stock	Conversion of derivative security		+2,569,415			2,569,415	12 May 2025	See footnotes	F1, F2
transaction	GCMG	Class A Common Stock	Other	$0	-2,569,415	-100%	$0.000000	0	12 May 2025	See footnotes	F2, F3, F4
transaction	GCMG	Class C Common Stock	Other	$0	-2,569,415	-1.8%	$0.000000	141,665,831	12 May 2025	See footnotes	F5, F6

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GCMG	Common Units	Conversion of derivative security	$0	-2,569,415	-1.8%	$0.000000	141,665,831	12 May 2025	Class A Common Stock	2,569,415		See footnotes	F1, F4, F7
transaction	GCMG	Management Award Interests (Obligation to transfer)	Conversion of derivative security	$0	-2,569,415	-37%	$0.000000	4,400,000	12 May 2025	Class A Common Stock	2,569,415		See footnotes	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Common Units of Grosvenor Capital Management Holdings, LLLP ("GCMH") may be redeemed by the Reporting Person at any time for shares of the Issuer's Class A Common Stock on a one-to-one basis or cash. The Common Units do not expire.
F2	Represents securities held directly by GCM Grosvenor Management, LLC ("GCM Grosvenor Management"). The Reporting Person is the ultimate managing member GCM Grosvenor Management.
F3	On May 1, 2025, the Management Award Interests originally granted by GCM Grosvenor Management on December 15, 2022 and March 19, 2025 vested in full, resulting in the obligation to transfer of shares of Class A Common Stock and Common Units to certain employees of the Issuer or its affiliates.
F4	Represents the transfer of shares of Class A Common Stock and Common Units owned by GCM Grosvenor Management in settlement of vested Management Award Interests to certain employees of the Issuer or its affiliates on May 12, 2025.
F5	The Issuer's Class C Common Stock is automatically cancelled for no consideration upon any sale or other transfer of a share of the Issuer's Class A Common Stock issued as a result of any redemption or direct exchange of the Common Units of GCMH.
F6	Represents securities held directly by GCM V, LLC ("GCM V"). The Reporting Person is the ultimate managing member of GCM V.
F7	Represents securities held directly by Grosvenor Holdings, L.L.C. ("Grosvenor Holdings"), Grosvenor Holdings II, L.L.C. ("Grosvenor Holdings II"), GCM Progress Subsidiary LLC ("GCM Progress") and GCM Grosvenor Management. The Reporting Person is the ultimate managing member of each of Grosvenor Holdings, Grosvenor Holdings II, GCM Progress and GCM Grosvenor Management.