BETA Technologies, Inc.

(Former name or former address, if changed since last report)

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Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangement of Certain Officers.

Dean Kamen has voluntarily stepped down from the Board of Directors (the "Board") of BETA Technologies, Inc. (the "Company"), effective January 18, 2026. Mr. Kamen also served as a member of the Compensation Committee of the Board. Mr. Kamen made this decision to avoid potential distractions as the Company remains focused on executing its strategic priorities.

Mr. Kamen’s resignation concludes the review initiated on February 4, 2026 by the Nominating and Corporate Governance Committee of the Company's Board, which did not identify any violations of the law. He cooperated fully throughout the process.

Mr. Kamen has been a valued member of the Board and contributed significantly to the Company over many years through his guidance, leadership, and investment, as well as through his broader impact on advancing innovation, science, and engineering.