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

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: GCMG
Reported as of: 12 May 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 May 2025, 20:57:38 UTC
Prior SEC filing: 21 Mar 2025
Next SEC filing: 18 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Burke Montgomery, Attorney-in-Fact for Michael J. Sacks

Key filing fact

Michael Jay Sacks filed Form 4 for GCM Grosvenor Inc. (GCMG) on 12 May 2025.

Key facts

This page summarizes Michael Jay Sacks's Form 4 filing for GCM Grosvenor Inc. (GCMG).
5 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 12 May 2025, 20:57.

Change

Previous filing in this sequence was filed on 21 Mar 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0001509764 Primary reporting owner

Sacks Michael Jay

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO
Signature: /s/ Burke Montgomery, Attorney-in-Fact for Michael J. Sacks
Signature date: 12 May 2025

CIK 0001743987

Grosvenor Holdings, L.L.C.

Relationship: 10%+ Owner
Address: C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO
Signature: /s/ Burke Montgomery, Attorney-in-Fact for Grosvenor Holdings, L.L.C.
Signature date: 12 May 2025

CIK 0001831172

GCM V, LLC

Relationship: 10%+ Owner
Address: C/O GCM GROSVENOR INC., 900 NORTH MICHIGAN AVENUE, SUITE 1100, CHICAGO
Signature: /s/ Burke Montgomery, Attorney-in-Fact for GCM V, LLC
Signature date: 12 May 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GCMG transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +2,569,415
Change %
Price
Shares after: 2,569,415
Date: 12 May 2025
Ownership: See footnotes
Footnotes: F1, F2

GCMG transaction

Class A Common Stock

Other

Transaction value: $0
Shares: -2,569,415
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 12 May 2025
Ownership: See footnotes
Footnotes: F2, F3, F4

GCMG transaction

Class C Common Stock

Other

Transaction value: $0
Shares: -2,569,415
Change %: -1.8%
Price: $0.000000
Shares after: 141,665,831
Date: 12 May 2025
Ownership: See footnotes
Footnotes: F5, F6

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GCMG transaction Derivative

Common Units

Conversion of derivative security

Transaction value: $0
Shares: -2,569,415
Change %: -1.8%
Price: $0.000000
Shares after: 141,665,831
Date: 12 May 2025
Ownership: See footnotes
Underlying class: Class A Common Stock
Underlying amount: 2,569,415
Exercise price
Footnotes: F1, F4, F7

GCMG transaction Derivative

Management Award Interests (Obligation to transfer)

Conversion of derivative security

Transaction value: $0
Shares: -2,569,415
Change %: -37%
Price: $0.000000
Shares after: 4,400,000
Date: 12 May 2025
Ownership: See footnotes
Underlying class: Class A Common Stock
Underlying amount: 2,569,415
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote 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.

Footnote F2

Represents securities held directly by GCM Grosvenor Management, LLC ("GCM Grosvenor Management"). The Reporting Person is the ultimate managing member GCM Grosvenor Management.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote F6

Represents securities held directly by GCM V, LLC ("GCM V"). The Reporting Person is the ultimate managing member of GCM V.

Footnote 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.