Director Elizabeth Murphy Lilly Acquires Deferred Restricted Stock Units in Apogee Enterprises

This Form 4 filing reports that Elizabeth Murphy Lilly, a director of Apogee Enterprises, Inc., acquired 2,741 deferred restricted stock units on June 24, 2026, at a price of $41.96 per share. The units were granted under the company's 2019 Non-Employee Director Stock Plan and will be settled in common stock following her termination from the Board or other specified events. Following this transaction, she holds a total of 9,641 deferred restricted stock units, which includes units acquired through dividend equivalent reinvestment. The filing represents a routine equity award to a non-employee director as part of standard compensation practices.