AXP: Other company developments

Item 8.01 Other Events. Exhibits are filed herewith in connection with the issuance by American Express Company (the “Company”), on October 30, 2026, of $1,500,000,000 aggregate principal amount of 5.447% Fixed-to-Floating Rate Notes due October 30, 2030, $1,150,000,000 aggregate principal amount of 5.817% Fixed-to-Floating Rate Notes due October 27, 2034 and $350,000,000 aggregate principal amount of Floating Rate Notes due October 30, 2030 (collectively, the “Notes”) pursuant to a Prospectus Supplement dated October 26, 2026 to the Prospectus dated February 9, 2024, filed as part of the Company’s Registration Statement on Form S-3 (No. 333-276975). The Notes were issued under a senior indenture, dated as of August 1, 2007, between the Company and The Bank of New York Mellon, as trustee (the “Trustee”), as supplemented by the first supplemental indenture thereto, dated as of February 12, 2021, and the second supplemental indenture thereto, dated as of May 1, 2023, each between the Company and the Trustee. Item 9.01 Financial Statements and Exhibits. (d) Exhibits: The following exhibits are incorporated by reference into the Registration Statement as exhibits thereto and are filed as part of this Current Report: Exhibit Description 5 Opinion and Consent of Benjamin L. Kuder, Esq. 23 Consent of Counsel (included in Exhibit 5) 104 The cover page of this Current Report on Form 8-K, formatted as inline XBRL. -2- SIGNATURES 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 hereunto duly authorized. AMERICAN EXPRESS COMPANY (REGISTRANT) By: /s/ James J. Killerlane III Name: James J. Killerlane III Title: Corporate Secretary Date: October 30, 2026 -3-