# EDGAR Filing Document

**Accession Number:** 0001714562
**File Stem:** 0001493152-25-014054
**Filing Date:** 2025-9
**Character Count:** 3994
**Document Hash:** d4b7bcf1b60ecf243bdadb1a51f88c4d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-25-014054.hdr.sgml**: 20250918

**ACCESSION NUMBER**: 0001493152-25-014054

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250918

**DATE AS OF CHANGE**: 20250918

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GameSquare Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001714562
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-AMUSEMENT & RECREATION SERVICES [7900]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A6
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39389
- **FILM NUMBER:** 251323458

**BUSINESS ADDRESS:**
- **STREET 1:** 6775 COWBOYS WAY, STE. 1335
- **CITY:** FRISCO
- **STATE:** TX
- **ZIP:** 75034
- **BUSINESS PHONE:** 212-931-1200

**MAIL ADDRESS:**
- **STREET 1:** 6775 COWBOYS WAY, STE. 1335
- **CITY:** FRISCO
- **STATE:** TX
- **ZIP:** 75034

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Engine Gaming & Media, Inc.
- **DATE OF NAME CHANGE:** 20211019

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Engine Media Holdings, Inc.
- **DATE OF NAME CHANGE:** 20200818

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Torque Esports Corp.
- **DATE OF NAME CHANGE:** 20200102

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION** **<br> Washington, D.C. 20549**

**SCHEDULE 14A**

**Proxy Statement Pursuant to Section 14(a) of<br> the Securities Exchange Act of 1934**

Filed by the Registrant ☒ <br> Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))**

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material under §240.14a-12

**GAMESQUARE HOLDINGS, INC.**

(Name of Registrant as Specified In Its Charter)

Name of Person(s) Filing Proxy Statement, if other than the Registrant

Payment of Filing Fee (Check the appropriate box):

☒ No fee required. <br> ☐ Fee paid previously with preliminary materials. <br> ☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

**GAMESQUARE HOLDINGS INC.**

**6775 Cowboys Way, Ste. 1335**

**Frisco, Texas 75034**

**SUPPLEMENT TO PROXY STATEMENT**

**FOR THE ANNUAL MEETING OF STOCKHOLDERS**

**TO BE HELD ON OCTOBER 7, 2025**

 

*Explanatory Note*: This proxy statement supplement, dated September 18, 2025, supplements the definitive proxy statement on Schedule 14A (together with subsequent supplements, the "Proxy Statement") of GameSquare Holdings Inc. that was filed with the Securities and Exchange Commission (the "SEC") on September 8, 2025, in connection with the annual meeting of stockholders to be held on October 7, 2025 (the "Annual Meeting"). Except as specifically supplemented by the information contained in this supplement, all information set forth in the Proxy Statement continues to apply and should be considered in voting your shares.

**Appointment of Proxy Solicitor**

Subsequent to filing the Proxy Statement, we engaged Laurel Hill Advisory Group, LLC ("Laurel Hill") to assist us in soliciting proxies in connection with the Annual Meeting. We will bear the proxy solicitation costs and anticipate paying Laurel Hill approximately $30,000 for these services, plus reimbursement for out-of-pocket costs.

**Important Information**

The Company has filed the Proxy Statement with the SEC and has furnished to its stockholders the Proxy Statement in connection with the solicitation of proxies for the Annual Meeting. The Company advises its stockholders to read the Proxy Statement relating to the Annual Meeting, as amended and supplemented by this supplement, because it contains important information. Stockholders may obtain a free copy of the Proxy Statement and other documents that the Company files with the SEC at the SEC's website at www.sec.gov.