X0202 SCHEDULE 13D/A 0001104659-22-068218 0000004962 XXXXXXXX LIVE 4 Class A common stock, par value $0.0001 per share 09/29/2026 false 0001820872 37890B100 Global Business Travel Group, Inc. 666 Third Avenue 4th Floor New York NY 10017 Laureen E. Seeger, Esq. 212-640-2000 American Express Company 200 Vesey Street New York NY 10285 0000004962 N American Express Company b OO N NY 0.00 0.00 0.00 0.00 0.00 N 0.0 CO Class A common stock, par value $0.0001 per share Global Business Travel Group, Inc. 666 Third Avenue 4th Floor New York NY 10017 This Amendment No. 4 (the "Amendment") amends and supplements the Schedule 13D filed by the Reporting Person on June 6, 2022, as amended by Amendment No. 1 thereto filed on July 11, 2023, Amendment No. 2 thereto filed on January 16, 2024 and Amendment No. 3 thereto filed on May 4, 2026, with respect to the Common Stock (the "Schedule 13D"). Capitalized terms used in this Amendment and not defined herein shall have the same meanings ascribed to them in the Schedule 13D. This Amendment is being filed to report that, as a result of the Merger described below, the Reporting Person ceased to be the beneficial owner of more than five percent of the Common Stock. This Amendment is the final amendment to the Schedule 13D and constitutes an "exit filing" for the Reporting Person. Item 4 of the Schedule 13D is hereby amended by adding the following: On September 29, 2026, the transactions contemplated by the Merger Agreement were consummated (the "Closing"), and Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent. At the effective time of the Merger (the "Effective Time"), each share of Common Stock issued and outstanding immediately prior to the Effective Time, other than shares excluded pursuant to the Merger Agreement, was automatically cancelled, extinguished and converted into the right to receive cash in an amount equal to $9.50 per share. Accordingly, at the Effective Time, 157,786,199 shares of Common Stock held of record by Amex HoldCo. were automatically cancelled, extinguished and converted into the right to receive $9.50 per share. As a result of the Merger, the Reporting Person no longer beneficially owns any shares of Common Stock. At the Effective Time, the Voting and Support Agreement terminated in accordance with its terms, other than provisions that expressly survive termination. In accordance with the Voting and Support Agreement, effective upon the Closing, the Shareholders Agreement was terminated as among the Issuer, GBT JerseyCo Limited and Amex HoldCo., other than the provisions that expressly survive termination. Item 5(a) of the Schedule 13D is hereby amended and restated in its entirety as set forth below: See rows (11) and (13) of the cover page to this Schedule 13D for the aggregate number of shares of Common Stock and percentage of the shares of Common Stock beneficially owned by the Reporting Person. Item 5(b) of the Schedule 13D is hereby amended and restated in its entirety as set forth below: See rows (7) through (10) of the cover page to this Schedule 13D for the number of shares of Common Stock as to which the Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition. Item 5(c) of the Schedule 13D is hereby amended and restated in its entirety as set forth below: Except as set forth in Item 4 of this Amendment, the Reporting Person has not effected any transaction in shares of Common Stock during the past sixty days. Not applicable. Item 5(e) of the Schedule 13D is hereby amended and restated in its entirety as set forth below: As a result of the Merger, on September 29, 2026, the Reporting Person ceased to be the beneficial owner of more than five percent of the Common Stock. Item 6 of the Schedule 13D is hereby amended by adding the following: Item 4 of this Amendment is incorporated herein by reference. American Express Company /s/ James J. Killerlane III James J. Killerlane III, Corporate Secretary 10/01/2026