X0202 SCHEDULE 13G/A 0001193125-26-046522 0002091736 XXXXXXXX LIVE 1 Class A Common Stock 06/30/2026 0001784570 BETA Technologies, Inc. 086921103 1150 Airport Drive South Burlington VT 05403 Rule 13d-1(d) Austin Meyer X1 6727111.00 5408742.00 6727111.00 5408742.00 12135853.00 N 5.4 IN Ownership percentage based on 225,439,576 shares of the Issuer's Class A common stock outstanding as of August 6, 2026, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2026. BETA Technologies, Inc. 1150 Airport Drive, South Burlington, Vermont 05403 Austin Meyer c/o BETA Technologies, Inc., 1150 Airport Drive, South Burlington, Vermont 05403 United States Y 12,135,853 See Line 11 of cover sheet. See Line 5 of cover sheet. Consists of (i) 5,408,742 shares of Class A common stock directly held by the reporting person and (ii) 1,318,369 shares of Class A common stock directly held by The Ava Lane Meyer Foundation, Inc., of which the reporting person serves as the President and a director. See Line 6 of cover sheet. Consists of 5,408,742 shares of Class A common stock directly held by Lane Meyer, the spouse of the reporting person. The reporting person disclaims beneficial ownership of the shares held directly by Ms. Meyer. See Line 7 of cover sheet. Consists of (i) 5,408,742 shares of Class A common stock directly held by the reporting person and (ii) 1,318,369 shares of Class A common stock directly held by The Ava Lane Meyer Foundation, Inc., of which the reporting person serves as the President and a director. See Line 8 of cover sheet. Consists of 5,408,742 shares of Class A common stock directly held by Lane Meyer, the spouse of the reporting person. The reporting person disclaims beneficial ownership of the shares held directly by Ms. Meyer. Y Y Y Y Y Y Austin Meyer /s/ Austin Meyer 08/14/2026