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. ☐ This Amendment No. 1 to the Form 8-K report of Acutus Medical, Inc. (the "Company") is being file to correct an error in the original Form 8-K report of the Company filed by the Company with the Securities and Exchange Commission on June 21, 2022, which form was filed to report the voting results for the matters voted on by the Company's shareholders at the Annual Meeting held on June 16, 2022. The original Form 8-K incorrectly reported that the stockholders of the Company ratified the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2022.