Sec Form 4 Filing - Bonita David P @ Acutus Medical, Inc. - 2022-06-16

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Bonita David P 2. Issuer Name and Ticker or Trading Symbol Acutus Medical, Inc. [ AFIB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ACUTUS MEDICAL, INC., 2210 FARADAY AVE., SUITE 100 3. Date of Earliest Transaction (MM/DD/YY) 06/16/2022 (Street) CARLSBAD, CA92008 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 06/16/2022 A 8,400( 1 ) A $ 0 12,422 D Common Stock 4,872,025 I See footnotes( 2 )( 4 ) Common Stock 1,677,361 I See footnotes( 3 )( 4 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Options (Right to Buy) $ 0.5036 06/16/2022 A 19,600 ( 5 ) 06/16/2032 Common Stock 19,600 $ 0 19,600 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bonita David P C/O ACUTUS MEDICAL, INC. 2210 FARADAY AVE., SUITE 100 CARLSBAD, CA92008 X X Signatures /s/ Tom Sohn as attorney-in-fact for David P. Bonita 06/21/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each annual restricted stock unit ("Annual RSU") will be scheduled to vest as to all of the shares of Common Stock ("Shares") subject to such Annual RSU on the first anniversary of the date of grant of such Annual RSU, if on such date the Reporting Person has remained in continuous service as a director. ( 2 )These shares of the Issuer's common stock are held of record by OrbiMed Private Investments IV, LP ("OPI IV"). OrbiMed Capital GP IV LLC ("GP IV") is the general partner of OPI IV, and OrbiMed Advisors LLC ("OrbiMed Advisors"), a registered investment adviser under the Investment Advisors Act of 1940, as amended, is the managing member of GP IV. OrbiMed Advisors and GP IV exercise investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by OPI IV. The Reporting Person is a member of OrbiMed Advisors. ( 3 )These shares of the Issuer's common stock are held of record by OrbiMed Royalty Opportunities II, LP ("ORO II"). OrbiMed ROF II LLC ("ROF II") is the general partner of ORO II, and OrbiMed Advisors is the managing member of ORO II. OrbiMed Advisors and ROF II exercise investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the Shares held by ORO II. ( 4 )Each of the Reporting Person, OrbiMed Advisors, ROF II, and GP IV disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any such person or entity, including the Reporting Person, is a beneficial owner of such securities for the purposes of Section 16 of the Exchange Act, or for any other purposes. ( 5 )Each annual stock option (the "Annual Option") will be scheduled to vest and become exercisable as to all of the Shares subject to such Annual Option on the first anniversary of the date of grant of such Annual Option, if on such date the Reporting Person has remained in continuous service as a director.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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