Other Information
−Removed: During the three months ended September 30, 2025, none of our directors or officers adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as such terms are defined under Item 408 of Regulation S-K.
−Removed: 10.1 364-Day Credit Agreement, dated as of August 25, 2025, among The Boeing Company for itself and on behalf of its Subsidiaries, as a Borrower, the Lenders party hereto, Citibank, N.A., as Administrative Agent, JPMorgan Chase Bank, N.A.
−Removed: as Syndication Agent and Citibank, N.A.
−Removed: and JPMorgan Chase Bank N.A., as Joint Lead Arrangers and Joint Book Managers (Exhibit 10.1 to the Company’s Current Report on Form 8-K, dated August 25, 2025)
+Added: During the three months ended March 31, 2026, none of our directors or officers adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as such terms are defined under Item 408 of Regulation S-K.
+Added: 10.1 Form of U.S.
+Added: Notice of Terms of Long-Term Incentive Performance Stock Units (Free Cash Flow)*
+Added: 10.2 Form of Non-U.S.
+Added: Notice of Terms of Long-Term Incentive Performance Stock Units (Free Cash Flow)*
+Added: 10.3 Form of U.S.
+Added: Notice of Terms of Long-Term Incentive Performance Stock Units (Relative TSR)*
+Added: 10.4 Form of Non-U.S.
+Added: Notice of Terms of Long-Term Incentive Performance Stock Units (Relative TSR)*
+Added: 10.5 Form of U.S.
+Added: Notice of Terms of Long-Term Incentive Restricted Stock Units (Post-Vesting Hold)*
+Added: 10.6 Form of Non-U.S.
+Added: Notice of Terms of Long-Term Incentive Restricted Stock Units (Post-Vesting Hold)*
+Added: 10.7 Form of U.S.
+Added: Notice of Terms of Long-Term Incentive Restricted Stock Units*
+Added: 10.8 Form of Non-U.S.
+Added: Notice of Terms of Long-Term Incentive Restricted Stock Units*
+Added: 10.9 Letter Agreement with Quantz Advisory LLC*
15 Letter from Independent Registered Public Accounting Firm regarding unaudited interim financial information
+Added: 22 Subsidiary Guarantor and Issuer of Guaranteed Securities (Exhibit 22 to the Company’s Form 10-K for the year ended December 31, 2025)
31.1 Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
9 unchanged sentences
104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)
+Added: * Management contract or compensatory plan.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
THE BOEING COMPANY
−Removed: October 29, 2025 /s/ Michael J.
+Added: April 22, 2026 /s/ Michael J.
(Date) Michael J.
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.