Will the merger described in Global Business Travel Group, Inc. (GBTG)'s DEFM14A (filed 2026-07-06) be completed on or before 2026-10-04?

Catalyst-sourced. Kill trigger: A termination 8-K, a withdrawn proxy, or a second-request/injunction that pushes the outside date past the resolution date. No open market on kalshi,polymarket as of 2026-08-18 (matcher v1.0, corpus 269034 open markets, sha256 097603c932ce6ea1). Primary source: https://www.sec.gov/Archives/edgar/data/1820872/000114036126027649/0001140361-26-027649-index.htm