<SEC-DOCUMENT>0001193125-25-321153.txt : 20251216
<SEC-HEADER>0001193125-25-321153.hdr.sgml : 20251216
<ACCEPTANCE-DATETIME>20251216171410
ACCESSION NUMBER:		0001193125-25-321153
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251212
FILED AS OF DATE:		20251216
DATE AS OF CHANGE:		20251216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Berner Laura
		CENTRAL INDEX KEY:			0001958382
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39988
		FILM NUMBER:		251576439

	MAIL ADDRESS:	
		STREET 1:		C/O BOLT BIOTHERAPEUTICS, INC.
		STREET 2:		900 CHESAPEAKE DRIVE
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bolt Biotherapeutics, Inc.
		CENTRAL INDEX KEY:			0001641281
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				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
<DESCRIPTION>4
<TEXT>
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    <periodOfReport>2025-12-12</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001958382</rptOwnerCik>
            <rptOwnerName>Berner Laura</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BOLT BIOTHERAPEUTICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>900 CHESAPEAKE DRIVE</rptOwnerStreet2>
            <rptOwnerCity>REDWOOD CITY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94063</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

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            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.44</value>
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            <transactionDate>
                <value>2025-12-12</value>
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                <equitySwapInvolved>false</equitySwapInvolved>
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                <transactionPricePerShare>
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            <exerciseDate>
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            <expirationDate>
                <value>2032-12-13</value>
            </expirationDate>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
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        <derivativeTransaction>
            <securityTitle>
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            </securityTitle>
            <conversionOrExercisePrice>
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                <equitySwapInvolved>false</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1250</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
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            <underlyingSecurity>
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            <securityTitle>
                <value>Director Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
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        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option (Right to Buy)</value>
            </securityTitle>
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                <value>5.44</value>
            </conversionOrExercisePrice>
            <transactionDate>
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                <value>2025-12-12</value>
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            <underlyingSecurity>
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        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option (Right to Buy)</value>
            </securityTitle>
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                <value>5.44</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-12-12</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1100</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2035-05-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1100</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.40</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-12-12</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F7"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <value>2035-05-26</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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                    <value>1100</value>
                </underlyingSecurityShares>
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                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares subject to this option shall vest in equal monthly installments, at a rate of 1/36th of the total number of shares on each monthly anniversary of December 14, 2022 (the &quot;Vesting Commencement Date&quot;) for so long as the Reporting Person provides continuous service to the Issuer, such that the total number of shares shall be fully vested on the three-year anniversary of the Vesting Commencement Date; provided, however that the option will vest in full upon a change in control of the Issuer.</footnote>
        <footnote id="F2">The reporting person agreed to cancellation of an option granted on December 14, 2022, in exchange for a new option having a lower exercise price.</footnote>
        <footnote id="F3">The option is fully vested and exercisable.</footnote>
        <footnote id="F4">The reporting person agreed to cancellation of an option granted on June 12, 2023, in exchange for a new option having a lower exercise price.</footnote>
        <footnote id="F5">The reporting person agreed to cancellation of an option granted on June 12, 2024, in exchange for a new option having a lower exercise price.</footnote>
        <footnote id="F6">The shares subject to the option will vest on the earlier of May 27, 2026 or the day immediately prior to the next annual meeting of stockholders, subject to the Reporting Person's continuous service through such date; provided, however that the option will vest in full upon a change in control of the Issuer.</footnote>
        <footnote id="F7">The reporting person agreed to cancellation of an option granted on May 27, 2025, in exchange for a new option having a lower exercise price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ William P. Quinn, Attorney-in-Fact</signatureName>
        <signatureDate>2025-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
