X0508 4 2025-11-07 0001784570 BETA Technologies, Inc. BETA 0002089966 Dunkiel Brian C/O BETA TECHNOLOGIES, INC. 1150 AIRPORT DRIVE SOUTH BURLINGTON VT 05403 false true false false SEE REMARKS false Class A common stock 2025-11-07 4 A false 20362 0 A 70078 D Class A common stock 1500 I By Leslie J. Halperin Trust Class A common stock 15692 I By Leslie J. Halperin Trust Exempt Fund 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 through each such date. The reported securities include 33,125 Class A Shares held by Brian Dunkiel and Leslie Halperin, tenants-by-the-entirety and has been reduced by the 1,500 Class A Shares acquired in the DSP Program by the Leslie J. Halperin Trust, which were inadvertently reported as a direct acquisition in the Form 4 filed on November 7, 2025. The reporting person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein. Chief Legal Officer, Vice President and Secretary /s/ Brian Dunkiel 2025-11-12