# EDGAR Filing Document

**Accession Number:** 0001819796
**File Stem:** 0001213900-23-011481
**Filing Date:** 2023-2
**Character Count:** 20657
**Document Hash:** dee6caaa34397fa5d0a7b98e045d4885
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-23-011481.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001213900-23-011481

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**GROUP MEMBERS**: GCM GROSVENOR MANAGEMENT, LLC

**GROUP MEMBERS**: GCM PROGRESS LLC

**GROUP MEMBERS**: GCM PROGRESS SUBSIDIARY LLC

**GROUP MEMBERS**: GROSVENOR HOLDINGS II, L.L.C.

**GROUP MEMBERS**: GROSVENOR HOLDINGS, L.L.C.

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GCM Grosvenor Inc.
- **CENTRAL INDEX KEY:** 0001819796
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTMENT ADVICE [6282]
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91863
- **FILM NUMBER:** 23628377

**BUSINESS ADDRESS:**
- **STREET 1:** 900 NORTH MICHIGAN AVENUE
- **STREET 2:** SUITE 1100
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60611
- **BUSINESS PHONE:** 312-506-6500

**MAIL ADDRESS:**
- **STREET 1:** 900 NORTH MICHIGAN AVENUE
- **STREET 2:** SUITE 1100
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60611
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sacks Michael Jay
- **CENTRAL INDEX KEY:** 0001509764

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**MAIL ADDRESS:**
- **STREET 1:** 900 NORTH MICHIGAN AVENUE
- **STREET 2:** SUITE 1100
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60611

**United States**

**Securities and Exchange Commission**

**Washington, D.C. 20549**

**Schedule 13G**

**(Rule 13d-102)**

**Information to be Included in Statements Filed Pursuant**

**to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed**

**Pursuant to § 240.13d-2**

**UNDER THE SECURITIES EXCHANGE ACT OF 1934**

(Amendment No. 1)\*

**GCM Grosvenor Inc.**

(Name of Issuer)

**Class A Common Stock, par value $0.0001**

(Title of Class of Securities)

**36831E108**

(CUSIP Number)

**December 31, 2022**

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐ Rule 13d-1(b)

☐ Rule 13d-1(c)

☒ Rule 13d-1(d)

\* The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 1 of 10

---

| | |
|:---|:---|
| &nbsp;&nbsp;1 | &nbsp;&nbsp;Names of Reporting Persons<br>**Michael Jay Sacks**<br>|
| &nbsp;&nbsp;2 | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group<br>(a) ☐<br> (b) ☐<br>|
| &nbsp;&nbsp;3 | &nbsp;&nbsp;SEC Use Only<br>|
| &nbsp;&nbsp;4 | &nbsp;&nbsp;Citizenship or Place of Organization<br>**United States**<br>|

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;5 | &nbsp;&nbsp; Sole Voting Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;6 | &nbsp;&nbsp; Shared Voting Power<br>**145,135,246**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;7 | &nbsp;&nbsp; Sole Dispositive Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;8 | &nbsp;&nbsp; Shared Dispositive Power<br>**145,135,246**<br>|

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;9 | &nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person<br>**145,135,246** |
| &nbsp;&nbsp;10 | &nbsp;&nbsp; Check if the Aggregate Amount in Row (9) Excludes Certain Shares<br>**Not Applicable** |
| &nbsp;&nbsp;11 | &nbsp;&nbsp; Percent of Class Represented by Amount in Row 9<br>**77.5%** |
| &nbsp;&nbsp;12 | &nbsp;&nbsp; Type of Reporting Person<br>**IN**  |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 2 of 10

---

| | |
|:---|:---|
| &nbsp;&nbsp;1 | &nbsp;&nbsp;Names of Reporting Persons<br>**Grosvenor Holdings, L.L.C.**<br>|
| &nbsp;&nbsp;2 | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group<br>(a) ☐<br> (b) ☐<br>|
| &nbsp;&nbsp;3 | &nbsp;&nbsp;SEC Use Only<br>|
| &nbsp;&nbsp;4 | &nbsp;&nbsp;Citizenship or Place of Organization<br>**Illinois**<br>|

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;5 | &nbsp;&nbsp; Sole Voting Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;6 | &nbsp;&nbsp; Shared Voting Power<br>**134,858,026**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;7 | &nbsp;&nbsp; Sole Dispositive Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;8 | &nbsp;&nbsp; Shared Dispositive Power<br>**134,858,026**<br>|

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;9 | &nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person<br>**134,858,026** |
| &nbsp;&nbsp;10 | &nbsp;&nbsp; Check if the Aggregate Amount in Row (9) Excludes Certain Shares<br>**Not Applicable** |
| &nbsp;&nbsp;11 | &nbsp;&nbsp; Percent of Class Represented by Amount in Row 9<br>**76.1%** |
| &nbsp;&nbsp;12 | &nbsp;&nbsp; Type of Reporting Person<br>**OO (Limited Liability Company)**  |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 3 of 10

---

| | |
|:---|:---|
| &nbsp;&nbsp;1 | &nbsp;&nbsp;Names of Reporting Persons<br>**Grosvenor Holdings II, L.L.C.**<br>|
| &nbsp;&nbsp;2 | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group<br>(a) ☐<br> (b) ☐<br>|
| &nbsp;&nbsp;3 | &nbsp;&nbsp;SEC Use Only<br>|
| &nbsp;&nbsp;4 | &nbsp;&nbsp;Citizenship or Place of Organization<br>**Delaware**<br>|

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;5 | &nbsp;&nbsp; Sole Voting Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;6 | &nbsp;&nbsp; Shared Voting Power<br>**3,226,977**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;7 | &nbsp;&nbsp; Sole Dispositive Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;8 | &nbsp;&nbsp; Shared Dispositive Power<br>**3,226,977**<br>|

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;9 | &nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person<br>**3,226,977** |
| &nbsp;&nbsp;10 | &nbsp;&nbsp; Check if the Aggregate Amount in Row (9) Excludes Certain Shares<br>**Not Applicable** |
| &nbsp;&nbsp;11 | &nbsp;&nbsp; Percent of Class Represented by Amount in Row 9<br>**7.1%** |
| &nbsp;&nbsp;12 | &nbsp;&nbsp; Type of Reporting Person<br>**OO (Limited Liability Company)**  |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 4 of 10

---

| | |
|:---|:---|
| &nbsp;&nbsp;1 | &nbsp;&nbsp;Names of Reporting Persons<br>**GCM Grosvenor Management, LLC**<br>|
| &nbsp;&nbsp;2 | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group<br>(a) ☐<br> (b) ☐<br>|
| &nbsp;&nbsp;3 | &nbsp;&nbsp;SEC Use Only<br>|
| &nbsp;&nbsp;4 | &nbsp;&nbsp;Citizenship or Place of Organization<br>**Delaware**<br>|

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;5 | &nbsp;&nbsp; Sole Voting Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;6 | &nbsp;&nbsp; Shared Voting Power<br>**7,050,243**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;7 | &nbsp;&nbsp; Sole Dispositive Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;8 | &nbsp;&nbsp; Shared Dispositive Power<br>**7,050,243**<br>|

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;9 | &nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person<br>**7,050,243** |
| &nbsp;&nbsp;10 | &nbsp;&nbsp; Check if the Aggregate Amount in Row (9) Excludes Certain Shares<br>**Not Applicable** |
| &nbsp;&nbsp;11 | &nbsp;&nbsp; Percent of Class Represented by Amount in Row 9<br>**14.3%** |
| &nbsp;&nbsp;12 | &nbsp;&nbsp; Type of Reporting Person<br>**OO (Limited Liability Company)** |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 5 of 10

---

| | |
|:---|:---|
| &nbsp;&nbsp;1 | &nbsp;&nbsp;Names of Reporting Persons<br>**GCM Progress LLC**<br>|
| &nbsp;&nbsp;2 | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group<br>(a) ☐<br> (b) ☐<br>|
| &nbsp;&nbsp;3 | &nbsp;&nbsp;SEC Use Only<br>|
| &nbsp;&nbsp;4 | &nbsp;&nbsp;Citizenship or Place of Organization<br>**Delaware**<br>|

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;5 | &nbsp;&nbsp; Sole Voting Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;6 | &nbsp;&nbsp; Shared Voting Power<br>**58,560,000**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;7 | &nbsp;&nbsp; Sole Dispositive Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;8 | &nbsp;&nbsp; Shared Dispositive Power<br>**58,560,000**<br>|

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;9 | &nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person<br>**58,560,000** |
| &nbsp;&nbsp;10 | &nbsp;&nbsp; Check if the Aggregate Amount in Row (9) Excludes Certain Shares<br>**Not Applicable** |
| &nbsp;&nbsp;11 | &nbsp;&nbsp; Percent of Class Represented by Amount in Row 9<br>**58.1%** |
| &nbsp;&nbsp;12 | &nbsp;&nbsp; Type of Reporting Person<br>**OO (Limited Liability Company)** |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 6 of 10

---

| | |
|:---|:---|
| &nbsp;&nbsp;1 | &nbsp;&nbsp;Names of Reporting Persons<br>**GCM Progress Subsidiary LLC**<br>|
| &nbsp;&nbsp;2 | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group<br>(a) ☐<br> (b) ☐<br>|
| &nbsp;&nbsp;3 | &nbsp;&nbsp;SEC Use Only<br>|
| &nbsp;&nbsp;4 | &nbsp;&nbsp;Citizenship or Place of Organization<br>**Delaware**<br>|

---

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;5 | &nbsp;&nbsp; Sole Voting Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;6 | &nbsp;&nbsp; Shared Voting Power<br>**58,560,000**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;7 | &nbsp;&nbsp; Sole Dispositive Power<br>**0**<br>|
| &nbsp;&nbsp;Number of Shares<br> Beneficially Owned by<br> Each Reporting Person<br> With | &nbsp;&nbsp;8 | &nbsp;&nbsp; Shared Dispositive Power<br>**58,560,000**<br>|

---

---

| | |
|:---|:---|
| &nbsp;&nbsp;9 | &nbsp;&nbsp; Aggregate Amount Beneficially Owned by Each Reporting Person<br>**58,560,000** |
| &nbsp;&nbsp;10 | &nbsp;&nbsp; Check if the Aggregate Amount in Row (9) Excludes Certain Shares<br>**Not Applicable** |
| &nbsp;&nbsp;11 | &nbsp;&nbsp; Percent of Class Represented by Amount in Row 9<br>**58.1%** |
| &nbsp;&nbsp;12 | &nbsp;&nbsp; Type of Reporting Person<br>**OO (Limited Liability Company)** |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 7 of 10

ITEM 1. (a) Name of Issuer:

GCM Grosvenor Inc. (the "Issuer").

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Address of Issuer's Principal Executive Offices:

900 North Michigan Avenue, Suite 1100, Chicago, IL 60611.

ITEM 2. (a) Name of Person Filing:

Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of:

Michael Jay Sacks

Grosvenor Holdings, L.L.C.

Grosvenor Holdings II, L.L.C.

GCM Grosvenor Management, LLC

GCM Progress LLC

GCM Progress Subsidiary LLC

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Address or Principal Business Office:

The principal business address of the Reporting Persons is c/o GCM Grosvenor Inc., 900 North Michigan Avenue, Suite 1100, Chicago, IL 60611.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) Citizenship of each Reporting Person is:

Grosvenor Holdings, L.L.C. is organized under the laws of the state of Illinois. Grosvenor Holdings II, L.L.C., GCM Grosvenor Management, LLC, GCM Progress LLC and GCM Progress Subsidiary LLC are each organized under the laws of the state of Delaware. Michael Jay Sacks is a citizen of the United States.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Title of Class of Securities:

Class A common stock, par value $0.0001 per share ("Class A Common Stock").

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) CUSIP Number:

36831E108

 **ITEM 3.**

Not applicable.

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 8 of 10

**ITEM 4. Ownership.**

**(a-c)**

The ownership information presented below represents beneficial ownership of the shares Class A Common Stock as of December 31, 2022, based upon 42,238,879 shares of Class A Common Stock outstanding as of November 4, 2022, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 9, 2022. The ownership information assumes the redemption of the common units of Grosvenor Capital Management Holdings, LLLP ("Common Units") held by the Reporting Persons for shares of the Issuer's Class A Common Stock on a one-to-one basis.

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| **Reporting Person** | **Amount**<br> **beneficially**<br> **owned** | **Percent**<br> **of class:** | **Sole power to vote or to direct the vote:** | **Shared power to vote or to direct the vote:** | **Sole power to dispose or to direct the disposition of:** | **Shared**<br> **power to**<br> **dispose or**<br> **to direct**<br> **the**<br> **disposition of:** |
| Michael Jay Sacks | 145135246 | 77.5% | 0 | 145135246 | 0 | 145135246 |
| Grosvenor Holdings, L.L.C. | 134858026 | 76.1% | 0 | 134858026 | 0 | 134858026 |
| Grosvenor Holdings II, L.L.C. | 3226977 | 7.1% | 0 | 3226977 | 0 | 3226977 |
| GCM Grosvenor Management, LLC | 7050243 | 14.3% | 0 | 7050243 | 0 | 7050243 |
| GCM Progress LLC | 58560000 | 58.1% | 0 | 58560000 | 0 | 58560000 |
| GCM Progress Subsidiary LLC | 58560000 | 58.1% | 0 | 58560000 | 0 | 58560000 |

---

Grosvenor Holdings II, L.L.C. is the record holder of 3,226,977 Common Units. GCM Grosvenor Management, LLC is the record holder of 7,050,243 Common Units. Grosvenor Holdings, L.L.C. is the record holder of 75,398,026 Common Units and 900,000 shares of Class A Common Stock issuable upon the exercise of warrants that are exercisable or will become exercisable within 60 days of December 31, 2022. GCM Progress Subsidiary LLC is the record holder of 58,560,000 Common Units. The Common Units may be redeemed by the Reporting Persons at any time for shares of the Issuer's Class A Common Stock on a one-to-one basis.

Mr. Sacks is the ultimate managing member of each of Grosvenor Holdings, L.L.C., Grosvenor Holdings II, L.L.C. and GCM Grosvenor Management, LLC. Grosvenor Holdings, L.L.C. is the sole member of GCM Progress LLC, which is the sole member of GCM Progress Subsidiary LLC. As a result, Mr. Sacks may be deemed to share beneficial ownership of the securities held by the Reporting Persons.

**ITEM 5. Ownership of Five Percent or Less of a Class.**

Not applicable.

**ITEM 6. Ownership of More than Five Percent on Behalf of Another Person.**

Not applicable.

**ITEM 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company.**

Not applicable.

**ITEM 8. Identification and Classification of Members of the Group.**

Not applicable.

**ITEM 9. Notice of Dissolution of Group.**

Not applicable.

**ITEM 10. Certification.**

Not applicable.

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 9 of 10

**SIGNATURE**

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Date**: February 14, 2023

---

| | |
|:---|:---|
| **Michael Jay Sacks** | **Michael Jay Sacks** |
| /s/ Michael Jay Sacks | /s/ Michael Jay Sacks |
| **Grosvenor Holdings, L.L.C.** | **Grosvenor Holdings, L.L.C.** |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **Grosvenor Holdings II, L.L.C.** | **Grosvenor Holdings II, L.L.C.** |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **GCM Grosvenor Management, LLC** | **GCM Grosvenor Management, LLC** |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **GCM Progress LLC** | **GCM Progress LLC** |
| By: Grosvenor Holdings, L.L.C., its sole member | By: Grosvenor Holdings, L.L.C., its sole member |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **GCM Progress Subsidiary LLC** | **GCM Progress Subsidiary LLC** |
| By: GCM Progress LLC, its sole member | By: GCM Progress LLC, its sole member |
| By: Grosvenor Holdings, L.L.C., its sole member | By: Grosvenor Holdings, L.L.C., its sole member |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |

---

CUSIP No. 36831E108 <u>Schedule 13G</u> Page 10 of 10

**LIST OF EXHIBITS**

---

| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 99 | [Joint Filing Agreement.](ea173006ex99_gcm.htm) |

---

## Ex-99

**Exhibit 99**

**JOINT FILING AGREEMENT**

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of February 14, 2023.

---

| | |
|:---|:---|
| **Michael Jay Sacks** | **Michael Jay Sacks** |
| /s/ Michael Jay Sacks | /s/ Michael Jay Sacks |
| **Grosvenor Holdings, L.L.C.** | **Grosvenor Holdings, L.L.C.** |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **Grosvenor Holdings II, L.L.C.** | **Grosvenor Holdings II, L.L.C.** |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **GCM Grosvenor Management, LLC** | **GCM Grosvenor Management, LLC** |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **GCM Progress LLC** | **GCM Progress LLC** |
| By: Grosvenor Holdings, L.L.C., its sole member | By: Grosvenor Holdings, L.L.C., its sole member |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |
| **GCM Progress Subsidiary LLC** | **GCM Progress Subsidiary LLC** |
| By: GCM Progress LLC, its sole member | By: GCM Progress LLC, its sole member |
| By: Grosvenor Holdings, L.L.C., its sole member | By: Grosvenor Holdings, L.L.C., its sole member |
| By: | /s/ Michael Jay Sacks |
| Name: | Michael Jay Sacks |
| Title: | Managing Member |

---