Sec Form 4 Filing - MITCHELL DEAN J @ Kinnate Biopharma Inc. - 2024-04-03

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 MITCHELL DEAN J 2. Issuer Name and Ticker or Trading Symbol Kinnate Biopharma Inc. [ KNTE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 800 WEST EL CAMINO REAL, SUITE 180 3. Date of Earliest Transaction (MM/DD/YY) 04/03/2024 (Street) MOUNTAIN VIEW, CA94040 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

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 Option (right to buy) $ 5.63 04/03/2024 D 121,503 ( 1 ) 08/18/2030 Common Stock 121,503 ( 1 ) 0 D Stock Option (right to buy) $ 24.46 04/03/2024 D 20,250 ( 1 ) 06/11/2031 Common Stock 20,250 ( 1 ) 0 D Stock Option (right to buy) $ 8.38 04/03/2024 D 20,250 ( 1 ) 06/13/2032 Common Stock 20,250 ( 1 ) 0 D Stock Option (right to buy) $ 3.48 04/03/2024 D 25,000 ( 1 ) 06/12/2033 Common Stock 25,000 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MITCHELL DEAN J 800 WEST EL CAMINO REAL SUITE 180 MOUNTAIN VIEW, CA94040 X Signatures /s/ James P. Reilly, Attorney-in-Fact 04/05/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This option was cancelled pursuant to that certain Agreement and Plan of Merger, dated February 16, 2024, by and between the Issuer, XOMA Corporation and XRA 1 Corp. (the "Merger Agreement") in exchange for one non-transferable contingent value right ("CVR") for each share underlying such out-of-the-money option. However, please note that such CVRs will provide payment only after the amounts payable under such CVRs exceed a threshold equal to the excess of the per share exercise price of such out-of-the-money option over the Cash Amount.

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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