X0202 SCHEDULE 13D/A 0001767470 XXXXXXXX LIVE 15 Class A Common Stock, $0.001 par value per share 09/03/2026 false 0001326380 36467W109 GameStop Corp.

625 WESTPORT PARKWAY GRAPEVINE TX 76051

RYAN NEBEL 212-451-2300 OLSHAN FROME WOLOSKY LLP 1325 Avenue of the Americas New York NY 10019 0001767470 N Cohen Ryan PF OO N Z4 42082626.00 0.00 42082626.00 0.00 42082626.00 N 8.3 IN Class A Common Stock, $0.001 par value per share GameStop Corp. 625 WESTPORT PARKWAY GRAPEVINE TX 76051 This Amendment No. 15 to the Schedule 13D was triggered solely due to an increase in the number of outstanding Shares of the Issuer in connection with the Issuer's previously announced exchanges of its convertible notes. The Reporting Person has not sold any Shares. Item 5(a) is hereby amended and restated to read as follows: The aggregate percentage of Shares reported owned by the Reporting Person is based upon 504,500,979 Shares outstanding as of September 3, 2026 based on information provided by the Issuer to the Reporting Person on such date, plus the Shares underlying the Warrants that may be exercised by the Reporting Person. As of the date hereof, Mr. Cohen directly beneficially owned 42,082,626 Shares, including 3,734,784 Shares underlying the Warrants, constituting approximately 8.3% of the Shares outstanding. Item 5(c) is hereby amended and restated to read as follows: There have been no transactions in securities of the Issuer by the Reporting Person during the past 60 days. Cohen Ryan /s/ Ryan Cohen 09/03/2026