Sec Form 4 Filing - Clifton Michael S. @ Rigetti Computing, Inc. - 2022-08-16

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 Clifton Michael S. 2. Issuer Name and Ticker or Trading Symbol Rigetti Computing, Inc. [ RGTI] 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) C/O RIGETTI COMPUTING, INC., 775 HEINZ AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 08/16/2022 (Street) BERKELEY, CA94710 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 08/16/2022 J( 1 ) 1,052,250( 2 ) A $ 0 1,182,186 D

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 Warrant (right to buy) $ 11.5 08/16/2022 J( 1 ) 556,250 ( 3 ) 03/02/2027 Common Stock 556,250 $ 0 556,250 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Clifton Michael S. C/O RIGETTI COMPUTING, INC. 775 HEINZ AVENUE BERKELEY, CA94710 X Signatures /s/ Rick Danis, Attorney-in-Fact 08/18/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents a pro rata distribution without additional consideration to the Reporting Person from Supernova Partners II LLC. ( 2 )Includes 309,875 shares that will vest if, during the five year period following March 2, 2022 (the "Closing"), the volume weighted average price of the Issuer's common stock equals or exceeds $12.50 for any twenty trading days within a period of thirty consecutive trading days, and (ii) 72,534 shares that will vest if, during the five year period following the Closing, the volume weighted average price of common stock equals or exceeds $15.00 for any twenty trading days within a period of thirty consecutive trading days. Any such shares that remain unvested after the fifth anniversary of the Closing will be forfeited. ( 3 )Fully vested and exercisable.

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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