American Express Company filed a Current Report on Form 8-K with the Securities and Exchange Commission on October 30, 2026, announcing the issuance of debt securities.

The company reported the sale of $1,500,000,000 aggregate principal amount of 5.447% Fixed-to-Floating Rate Notes due October 30, 2030. Additionally, it sold $1,150,000,000 aggregate principal amount of 5.817% Fixed-to-Floating Rate Notes due October 27, 2034. The filing also noted the issuance of $350,000,000 aggregate principal amount of Floating Rate Notes due October 30, 2030.

The total aggregate principal amount of the Notes issued was $3,000,000,000. These securities were issued pursuant to a Prospectus Supplement dated October 26, 2026, to a Prospectus dated February 9, 2024. The offering was made under a senior indenture dated August 1, 2007, between American Express and The Bank of New York Mellon, serving as trustee. The indenture has been supplemented by agreements dated February 12, 2021, and May 1, 2023.