Brandon Lutnick - Oct 6, 2025 Form 3 Insider Report for GCM Grosvenor Inc. (GCMG)

Role: 10%+ Owner
Signature: /s/ Brandon Lutnick
Stock symbol: GCMG
Transactions as of: Oct 6, 2025
Transactions value $: $0
Form type: 3
Date filed: 10/6/2025, 06:24 PM
Previous filing: Aug 20, 2025
Next filing: Nov 19, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lutnick Brandon	10%+ Owner	110 EAST 59TH STREET, NEW YORK	/s/ Brandon Lutnick	2025-10-06	0002048880

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	GCMG	Class A common stock						6.45M	Oct 6, 2025	See Footnotes	F1, F2

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
holding	GCMG	Warrants							Oct 6, 2025	Class A common stock	1.8M	$11.50	See Footnotes	F1, F2

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

Explanation of Responses:

Id	Content
F1	On October 6, 2025, the reporting person, through trusts for which he is trustee with decision making control, closed the purchase of all of the voting shares of CF Group Management, Inc. ("CFGM"), which is the managing general partner of Cantor Fitzgerald, L.P. ("CFLP"), from Howard W. Lutnick. CFLP is the sole member of CF Finance Holdings, LLC ("Holdings") and CF GCM Investor, LLC ("Investor"). Holdings owns 2,951,535 shares of Class A common stock and 300,000 warrants of the issuer and Investor owns 3,500,000 shares of Class A common stock and 1,500,000 warrants of the issuer. Following the closing of the transaction, the reporting person may be deemed to have beneficial ownership of the securities held by Holdings and Investor. The aggregate purchase price of the voting shares of CFGM was $200,000.
F2	Holdings and Investor are each the record holder of the securities reported herein. CFLP is the sole member of each of Holdings and Investor. CFGM is the managing general partner of CFLP. The reporting person is the Chairman and Chief Executive Officer of CFLP and CFGM and also the trustee with decision making control of trusts that hold all of the voting shares of CFGM. The reporting person disclaims beneficial ownership of all securities held by CFAC in excess of his pecuniary interest, if any, and this report shall not be deemed an admission that he was the beneficial owner of, or had pecuniary interest in, any such excess securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Content

On October 6, 2025, the reporting person, through trusts for which he is trustee with decision making control, closed the purchase of all of the voting shares of CF Group Management, Inc. ("CFGM"), which is the managing general partner of Cantor Fitzgerald, L.P. ("CFLP"), from Howard W. Lutnick. CFLP is the sole member of CF Finance Holdings, LLC ("Holdings") and CF GCM Investor, LLC ("Investor"). Holdings owns 2,951,535 shares of Class A common stock and 300,000 warrants of the issuer and Investor owns 3,500,000 shares of Class A common stock and 1,500,000 warrants of the issuer. Following the closing of the transaction, the reporting person may be deemed to have beneficial ownership of the securities held by Holdings and Investor. The aggregate purchase price of the voting shares of CFGM was $200,000.

Holdings and Investor are each the record holder of the securities reported herein. CFLP is the sole member of each of Holdings and Investor. CFGM is the managing general partner of CFLP. The reporting person is the Chairman and Chief Executive Officer of CFLP and CFGM and also the trustee with decision making control of trusts that hold all of the voting shares of CFGM. The reporting person disclaims beneficial ownership of all securities held by CFAC in excess of his pecuniary interest, if any, and this report shall not be deemed an admission that he was the beneficial owner of, or had pecuniary interest in, any such excess securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.