Boeing Director Mortimer J. Buckley Acquires 404 Phantom Stock Units

This Form 4 filing reports that Mortimer J. Buckley, a director of The Boeing Company, acquired 404 phantom stock units on April 1, 2026, as part of director compensation. The phantom stock units are convertible into common stock on a 1-for-1 basis and were awarded in lieu of cash compensation. Following this transaction, Buckley now holds 2,551.751 phantom stock units. The units are distributed as shares of common stock after the director's termination of services, as outlined in The Deferred Compensation Plan for Directors of The Boeing Company. The transaction was reported by attorney-in-fact Jenn X. Hu on April 3, 2026.