Form 4 Filing for Boeing Co. - Joyce David Leon

David Leon, a director at Boeing Co., acquired 465 phantom stock units on April 1, 2026. These units are convertible into common stock on a 1-for-1 basis and were awarded in lieu of director cash compensation. The acquisition brings the total number of phantom stock units held by Mr. Leon to 9604.493. The distribution of these units will occur as shares of common stock following Mr. Leon's termination of services as a director, as per The Deferred Compensation Plan for Directors of The Boeing Company.