Transaction Details

Footnotes

The transactions reported on this Form 4 were effected pursuant to a 10b5-1 Trading Plan adopted by the reporting person on July 25, 2025. | Includes shares acquired pursuant to dividend reinvestment. | The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $356.61 to $357.38. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $357.65 to $358.55. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $358.56 to $359.51. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $359.52 to $360.49. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $360.49 to $361.11. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | The price reported in Column 4 is a weighted average price, rounded to the nearest cent. These shares were sold in multiple transactions at prices ranging from $361.12 to $361.96. The reporting person undertakes to provide to American Express Company, any security holder of American Express Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this range. | Shares held in reporting person's account under the Company's Retirement Savings Plan. This plan uses unit accounting, and the number of shares that a participant is deemed to hold varies with the unit price of the Company pooled stock fund. | The option vested in three installments based upon the satisfaction of performance criteria specified for the award at the time of grant: 60% on April 29, 2018, 20% on April 29, 2019 and 20% on April 29, 2020.