<SEC-DOCUMENT>0000950170-25-048558.txt : 20250401
<SEC-HEADER>0000950170-25-048558.hdr.sgml : 20250401
<ACCEPTANCE-DATETIME>20250401162303
ACCESSION NUMBER:		0000950170-25-048558
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250331
FILED AS OF DATE:		20250401
DATE AS OF CHANGE:		20250401

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILLIAMS DOUGLAS E
		CENTRAL INDEX KEY:			0001184847
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40708
		FILM NUMBER:		25800015

	MAIL ADDRESS:	
		STREET 1:		C/O AMGEN INC
		STREET 2:		ONE AMGEN CENTER DR
		CITY:			THOUSAND OAKS
		STATE:			CA
		ZIP:			91320-1799

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Climb Bio, Inc.
		CENTRAL INDEX KEY:			0001768446
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				832273741
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		20 WILLIAM STREET
		STREET 2:		SUITE 145
		CITY:			WELLESLEY HILLS
		STATE:			MA
		ZIP:			02481
		BUSINESS PHONE:		1-866-857-2596

	MAIL ADDRESS:	
		STREET 1:		20 WILLIAM STREET
		STREET 2:		SUITE 145
		CITY:			WELLESLEY HILLS
		STATE:			MA
		ZIP:			02481

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eliem Therapeutics, Inc.
		DATE OF NAME CHANGE:	20190219
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-03-31</periodOfReport>

    <issuer>
        <issuerCik>0001768446</issuerCik>
        <issuerName>Climb Bio, Inc.</issuerName>
        <issuerTradingSymbol>CLYM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001184847</rptOwnerCik>
            <rptOwnerName>WILLIAMS DOUGLAS E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CLIMB BIO, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>20 WILLIAM STREET, SUITE 145</rptOwnerStreet2>
            <rptOwnerCity>WELLESLEY HILLS</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02481</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.22</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-03-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>78873</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2035-03-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>78873</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>78873</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares underlying the option vest in equal monthly installments from November 8, 2024 (the &quot;Vesting Commencement Date&quot;) until the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Emily Pimblett, as Attorney-in-Fact</signatureName>
        <signatureDate>2025-04-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
