X0609 4 2026-09-29 true 0001820872 Global Business Travel Group, Inc. GBTG 0001796087 Hart Eric M. false C/O GLOBAL BUSINESS TRAVEL GROUP, INC. 666 THIRD AVENUE NEW YORK NY 10017 true false false false false Class A Common Stock 2026-09-29 4 D false 66281 D 0 D On September 29, 2026, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated May 2, 2026, by and among the Issuer, Gaia Purchaser, Inc. ("Parent") and Gaia Merger Sub, Inc., a wholly owned subsidiary of Parent, the Issuer became a wholly owned subsidiary of Parent (the "Merger"). At the effective time of the Merger (the "Effective Time"), pursuant to the Merger Agreement, each share of Class A common stock, par value $0.0001 per share, of the Issuer held by the reporting person as of immediately prior to the Effective Time was automatically cancelled and converted into the right to receive cash in an amount equal to $9.50, without interest thereon. Jennifer Giampietro, as Attorney-in-Fact 2026-09-29