X0508 4 2026-02-17 0000012927 BOEING CO BA 0001967796 McKenzie Howard E 929 LONG BRIDGE DRIVE ARLINGTON VA 22202 1 Chief Engineer & EVP, ET&T 0 Common Stock 2026-02-17 4 A 0 6606.0000 0.0000 A 21297.8270 D Common Stock 2026-02-17 4 A 0 2642.0000 0.0000 A 23939.8270 D Common Stock 2026-02-17 4 F 0 765.0970 242.1800 D 23174.7300 D Common Stock 1192.6630 I 401(k) plan Common Stock 4432.1120 I Executive Supplemental Savings Plan Represents restricted stock units of which 2,179.98 units will vest on February 17, 2027, 2,179.98 units will vest on February 17, 2028, and 2,246.04 units will vest on February 20, 2029; units settle in shares of the Company's common stock on a one-for-one basis. Represents restricted stock units that will vest and settle in shares of the Company's common stock on a one-for-one basis on February 20, 2029. The reporting person may not sell, transfer or otherwise dispose of the vested shares until the earlier to occur of the second anniversary of the vesting date or the reporting person's termination of employment with the Company. Shares withheld for payment of taxes on vesting of restricted stock units; not an open market transaction. 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. Reflects periodic contributions to the issuer's common stock fund in the issuer's Executive Supplemental Savings Plan ("ESSP"). Ownership in the ESSP is represented by units in the issuers common stock fund in the ESSP rather than shares of common stock. /s/ Jenn X. Hu, Attorney-in-Fact 2026-02-19