X0609 4 2026-09-23 0 0001839839 Janus International Group, Inc. JBI 0001865952 Nettie Norman V false C/O JANUS INTERNATIONAL GROUP, INC. 135 JANUS INTERNATIONAL BLVD. TEMPLE GA 30179 0 1 0 0 EVP, Corporate Operations 0 Common Stock 2026-09-23 4 A 0 176056 0 A 529781 D Common Stock 600000 I By Trust The Reporting Person received restricted stock units ("RSUs") on September 23, 2026 (the "Grant Date") based on the closing price per share of the Issuer's common stock on the Grant Date. The RSUs vest in three equal installments over three years on September 23 of each of 2027, 2028, and 2029, upon which the RSUs will be settled by delivery of shares of the Issuer's common stock. Includes 225,274 RSUs. The shares of common stock are held directly by the Nettie Family Gift Trust. /s/ Elliot Kahler, as attorney-in-fact for Norman V. Nettie 2026-09-25