Sec Form 4 Filing - Vivo Capital VIII, LLC @ Bolt Biotherapeutics, Inc. - 2023-11-21

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 Vivo Capital VIII, LLC 2. Issuer Name and Ticker or Trading Symbol Bolt Biotherapeutics, Inc. [ BOLT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 192 LYTTON AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 11/21/2023 (Street) PALO ALTO,, CA94301 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 11/21/2023 S 1,707 D $ 0.9 ( 4 ) 1,952,302 I By: Vivo Capital Fund VIII, L.P. ( 1 ) Common Stock 11/21/2023 S 236 D $ 0.9 ( 4 ) 269,587 I By: Vivo Capital Surplus Fund VIII, L.P. ( 2 ) Common Stock 11/21/2023 S 1,457 D $ 0.9 ( 4 ) 111,662 I By: Vivo Opportunity Fund Holdings, L.P. ( 3 ) Common Stock 1,448,286 I By: Vivo Panda Fund, L.P.

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Vivo Capital VIII, LLC 192 LYTTON AVENUE PALO ALTO,, CA94301 X Vivo Capital Fund VIII, L.P. 192 LYTTON AVENUE PALO ALTO,, CA94301 X Vivo Capital Surplus Fund VIII, L.P. 192 LYTTON AVENUE PALO ALTO,, CA94301 X Vivo Opportunity, LLC 192 LYTTON AVENUE PALO ALTO,, CA94301 X Vivo Opportunity Fund Holdings, L.P. 192 LYTTON AVENUE PALO ALTO,, CA94301 X Vivo Panda, LLC 192 LYTTON AVENUE PALO ALTO,, CA94301 X Vivo Panda Fund, L.P. 192 LYTTON AVENUE PALO ALTO,, CA94301 X Signatures Vivo Capital VIII, LLC, By: /s/ Frank Kung, Managing Member 11/22/2023 Signature of Reporting Person Date Vivo Capital Fund VIII, L.P., By: Vivo Capital VIII, LLC, its General Partner By: /s/ Frank Kung, Managing Member 11/22/2023 Signature of Reporting Person Date Vivo Capital Surplus Fund VIII, L.P. By: Vivo Capital VIII, LLC, its General Partner By: /s/ Frank Kung, Managing Member 11/22/2023 Signature of Reporting Person Date Vivo Opportunity, LLC By: /s/ Frank Kung, Managing Member 11/22/2023 Signature of Reporting Person Date Vivo Opportunity Fund Holdings, L.P. By: Vivo Opportunity, LLC, its Genera Partner By: /s/ Frank Kung 11/22/2023 Signature of Reporting Person Date Vivo Panda, LLC By: /s/ Mahendra Shah, Managing Member 11/22/2023 Signature of Reporting Person Date Vivo Panda Fund, L.P. By: Vivo Panda, LLC, its General Partner By: /s/ Mahendra Shah, Managing Member 11/22/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares are held of record by Vivo Capital Fund VIII, L.P. Vivo Capital VIII, LLC is the General Partner of Vivo Capital Fund VIII, L.P. Vivo Capital VIII, LLC disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 2 )The shares are held of record by Vivo Capital Surplus Fund VIII, L.P. Capital VIII, LLC is the General Partner of Vivo Capital Surplus Fund VIII, L.P. Vivo Capital VIII, LLC disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 3 )The shares are held of record by Vivo Opportunity Fund Holdings, L.P. Vivo Opportunity, LLC is the General Partner of Vivo Opportunity Holdings, L.P. Vivo Opportunity, LLC disclaims beneficial ownership over such securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. ( 4 )The price reported herein is a weighted average price. These shares were sold on the open market in multiple transactions at prices ranging from $0.90 to $0.90, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares acquired at each separate price within the ranges set forth in footnote (4) to this Form 4.

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).

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