Form 4 Filing for APOGEE ENTERPRISES, INC.

Elizabeth Murphy Lilly, a director at APOGEE ENTERPRISES, INC. (APOG), acquired 9755 Deferred Restricted Stock Units on September 30, 2026. These units, allocated under the 2019 Non-Employee Director Stock Plan, will be settled in common stock. The acquisition was part of a dividend reinvestment feature. The underlying security is Common Stock, with 73 shares underlying the units. The transaction price was $35.37 per share. The filing was made on October 2, 2026.