X0609 4 2026-05-07 false 0001784570 BETA Technologies, Inc. BETA 0002089966 Dunkiel Brian false C/O BETA TECHNOLOGIES, INC. 1150 AIRPORT DRIVE SOUTH BURLINGTON VT 05403 false true false false SEE REMARKS false Class A common stock 2026-05-07 4 S false 9684.00 18.1216 D 132241.00 D Class A common stock 1500.00 I By Leslie J. Halperin Trust Class A common stock 15692.00 I By Leslie J. Halperin Trust Exempt Fund Mandatory sale to cover tax liability associated with the settlement of performance-based restricted stock units. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.6100 to $19.6099, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 2 to this Form 4. The reported securities include 33,125 shares of Class A common stock held by Brian Dunkiel and Leslie Halperin, tenants-by-the-entirety. 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 2026-05-11