X0508 4 2025-11-07 0001784570 BETA Technologies, Inc. BETA 0002090083 Clark Kyle C/O BETA TECHNOLOGIES, INC. 1150 AIRPORT DRIVE SOUTH BURLINGTON VT 05403 true true false false SEE REMARKS false Class A common stock 2025-11-07 4 A false 244379 0 A 484962 D Class A common stock 2025-11-07 4 A false 21587 0 A 21587 I By Spouse Class A common stock 5719837 I By The Kyle B. Clark Irrevocable Trust-2020 Class A common stock 1624907 I By the Katie S. Clark Irrevocable Trust The reported securities represent restricted stock units which each represent the right to acquire one share of Class A common stock upon vesting, which is scheduled to occur in four equal installments on each of the first, second, third and fourth anniversaries of the vesting commencement date, subject to continued service by the Reporting Person or Spouse, as applicable, through each such dates. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. Chief Executive Officer and President /s/ Brian Dunkiel, as attorney-in-fact 2025-11-12