X0508 4 2026-03-11 0 0001839839 Janus International Group, Inc. JBI 0001753285 Lane Jeannine J C/O JANUS INTERNATIONAL GROUP, INC. 135 JANUS INTERNATIONAL BLVD. TEMPLE GA 30179 1 0 0 0 0 Common Stock 2026-03-11 4 A 0 7760 0 A 7760 D In connection with her appointment to the Issuer's Board of Directors and as chair of the Nominating and Corporate Governance Committee, the Reporting Person received restricted stock units ("RSUs") on March 11, 2026 (the "Grant Date") based on the closing price per share of the Issuer's common stock on the Grant Date. The RSUs will fully vest on June 9, 2026, subject to continued service on the Board of Directors, and will be settled by delivery of shares of the Issuer's common stock. Represents 7,760 RSUs which vest on June 9, 2026. /s/ Elliot Kahler, as attorney-in-fact for Jeannine J. Lane 2026-03-11