Sec Form 3 Filing - Chevallard Daniel R. @ SUNESIS PHARMACEUTICALS INC - 2021-02-24

FORM 3 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 Chevallard Daniel R. 2. Issuer Name and Ticker or Trading Symbol SUNESIS PHARMACEUTICALS INC [ VIRX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) C/O VIRACTA THERAPEUTICS, INC., 2533 S COAST HWY 101, SUITE 210 3. Date of Earliest Transaction (MM/DD/YY) 02/24/2021 (Street) CARDIFF, CA92007 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 44,760 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 Stock Option (Right to Buy) $ 0.9 ( 1 ) 07/30/2029 Common Stock 110,817 D Stock Option (Right to Buy) $ 3.58 ( 2 ) 01/08/2031 Common Stock 55,110 D Restricted Stock Units $ 0 ( 3 ) ( 3 ) Common Stock 110,221 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Chevallard Daniel R. C/O VIRACTA THERAPEUTICS, INC. 2533 S COAST HWY 101, SUITE 210 CARDIFF, CA92007 Chief Executive Officer Signatures /s/ Michael Mueller, as Attorney-in-Fact 02/24/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Twenty-five percent (25%) of the total shares subject to the Option will vest on the one (1)-year anniversary of July 30, 2019 (the "Vesting Commencement Date") and 1/48th of the total shares subject to the Option will vest each month thereafter on the same day of the month as the Vesting Commencement Date (and if there is no corresponding day, the last day of the month), subject to the reporting person continuing to be a Service Provider in accordance with Viracta Subsidiary, Inc.'s 2016 Equity Incentive Plan (the "Plan") through each such date. ( 2 )One forty-eighth (1/48th ) of the Shares subject to the Option shall vest on February 28, 2021, and one forty-eighth (1/48th ) of the total Shares subject to the Option shall vest each month thereafter on the last day of such month, subject to the reporting person continuing to be a Service Provider (as defined in the Plan) through each such date. ( 3 )One-eighth (1/8th ) of the RSU Award will vest on November 25, 2021 (the "First Vesting Date"), and one-sixteenth (1/16th ) of the RSU Award will vest each Quarterly Vesting Date (as defined below) after the First Vesting Date, in each case subject to the reporting person continuing to be a Service Provider (as defined in the Plan) through the applicable vesting date. For the purposes of the foregoing, "Quarterly Vesting Date" means February 25, May 25, August 25,and November 25 of each year.

Remarks: Exhibit 24: Power of Attorney

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