BOEING CO (BA) · Initial Holdings (Form 3) SEC Filing

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-06-23 --- Issuer --- Name: BOEING CO (BA) CIK: 0000012927 --- Reporting Owner --- Name: Ruhmann Donald W. CIK: 0002139225 Role: Officer (Chief Aerospace Safety Officer) --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F1] Includes 10,484.290 restricted stock units of which 749.43 will vest on February 17, 2027, 1,099.56 will vest on February 19, 2027, 3,539.171 will vest on February 22, 2027, 755.393 will vest on March 31, 2027, 749.43 will vest on February 17, 2028, 1,132.88 will vest on February 22, 2028, 778.286 will vest on March 31, 2028, and 1,680.14 will vest on February 20, 2029. Restricted stock units settle in shares of the Company's common stock on a one-for-one basis. [Holding #2] Security: Common Stock Ownership: I (Indirect) Footnotes: [F2] Ownership in the issuer's 401(k) plan is represented by units in the issuer's common stock fund in the plan rather than shares of common stock. --- Footnotes (Complete Index) --- F1: Includes 10,484.290 restricted stock units of which 749.43 will vest on February 17, 2027, 1,099.56 will vest on February 19, 2027, 3,539.171 will vest on February 22, 2027, 755.393 will vest on March 31, 2027, 749.43 will vest on February 17, 2028, 1,132.88 will vest on February 22, 2028, 778.286 will vest on March 31, 2028, and 1,680.14 will vest on February 20, 2029. Restricted stock units settle in shares of the Company's common stock on a one-for-one basis. F2: Ownership in the issuer's 401(k) plan is represented by units in the issuer's common stock fund in the plan rather than shares of common stock. --- Signature --- /s/ /s/ Jenn X. Hu, Attorney-in-Fact (2026-06-26)