<SEC-DOCUMENT>0001213900-23-089692.txt : 20231122
<SEC-HEADER>0001213900-23-089692.hdr.sgml : 20231122
<ACCEPTANCE-DATETIME>20231122185143
ACCESSION NUMBER:		0001213900-23-089692
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231121
FILED AS OF DATE:		20231122
DATE AS OF CHANGE:		20231122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Capital Fund VIII, L.P.
		CENTRAL INDEX KEY:			0001618788
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434735

	BUSINESS ADDRESS:	
		STREET 1:		505 HAMILTON AVENUE, SUITE 200
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		650 688 0818

	MAIL ADDRESS:	
		STREET 1:		505 HAMILTON AVENUE, SUITE 200
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Capital VIII, LLC
		CENTRAL INDEX KEY:			0001618789
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434736

	BUSINESS ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		650 688 0822

	MAIL ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Capital Surplus Fund VIII, L.P.
		CENTRAL INDEX KEY:			0001628048
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434734

	BUSINESS ADDRESS:	
		STREET 1:		505 HAMILTON AVENUE, SUITE 200
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		650 688 0818

	MAIL ADDRESS:	
		STREET 1:		505 HAMILTON AVENUE, SUITE 200
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Opportunity Fund Holdings, L.P.
		CENTRAL INDEX KEY:			0001930214
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434732

	BUSINESS ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		6506880818

	MAIL ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Panda Fund, L.P.
		CENTRAL INDEX KEY:			0001675490
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434730

	BUSINESS ADDRESS:	
		STREET 1:		575 HIGH STREET, SUITE 201
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		6506880818

	MAIL ADDRESS:	
		STREET 1:		575 HIGH STREET, SUITE 201
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Opportunity, LLC
		CENTRAL INDEX KEY:			0001728970
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434733

	BUSINESS ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		6506880818

	MAIL ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vivo Panda, LLC
		CENTRAL INDEX KEY:			0001843847
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		231434731

	BUSINESS ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301
		BUSINESS PHONE:		650-688-0818

	MAIL ADDRESS:	
		STREET 1:		192 LYTTON AVENUE
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bolt Biotherapeutics, Inc.
		CENTRAL INDEX KEY:			0001641281
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				472804636
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		900 CHESAPEAKE DRIVE
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063
		BUSINESS PHONE:		650-665-9295

	MAIL ADDRESS:	
		STREET 1:		900 CHESAPEAKE DRIVE
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bolt Therapeutics, Inc.
		DATE OF NAME CHANGE:	20150504
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
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    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-11-21</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001641281</issuerCik>
        <issuerName>Bolt Biotherapeutics, Inc.</issuerName>
        <issuerTradingSymbol>BOLT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001618789</rptOwnerCik>
            <rptOwnerName>Vivo Capital VIII, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001618788</rptOwnerCik>
            <rptOwnerName>Vivo Capital Fund VIII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
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            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001628048</rptOwnerCik>
            <rptOwnerName>Vivo Capital Surplus Fund VIII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001728970</rptOwnerCik>
            <rptOwnerName>Vivo Opportunity, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001930214</rptOwnerCik>
            <rptOwnerName>Vivo Opportunity Fund Holdings, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001843847</rptOwnerCik>
            <rptOwnerName>Vivo Panda, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001675490</rptOwnerCik>
            <rptOwnerName>Vivo Panda Fund, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>192 LYTTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALO ALTO,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1707</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.90</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1952302</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Vivo Capital Fund VIII, L.P.</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>236</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.90</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>269587</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Vivo Capital Surplus Fund VIII, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-11-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1457</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.90</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>111662</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Vivo Opportunity Fund Holdings, L.P.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1448286</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By: Vivo Panda Fund, L.P.</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">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.</footnote>
        <footnote id="F2">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.</footnote>
        <footnote id="F3">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.</footnote>
        <footnote id="F4">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.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Vivo Capital VIII, LLC, By: /s/ Frank Kung, Managing Member</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Vivo Capital Fund VIII, L.P., By: Vivo Capital VIII, LLC, its General Partner By: /s/ Frank Kung, Managing Member</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Vivo Capital Surplus Fund VIII, L.P. By: Vivo Capital VIII, LLC, its General Partner By: /s/ Frank Kung, Managing Member</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Vivo Opportunity, LLC By: /s/ Frank Kung, Managing Member</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Vivo Opportunity Fund Holdings, L.P. By: Vivo Opportunity, LLC, its Genera Partner By: /s/ Frank Kung</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Vivo Panda, LLC By: /s/ Mahendra Shah, Managing Member</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Vivo Panda Fund, L.P. By: Vivo Panda, LLC, its General Partner By: /s/ Mahendra Shah, Managing Member</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
