<SEC-DOCUMENT>0001193125-26-151312.txt : 20260410
<SEC-HEADER>0001193125-26-151312.hdr.sgml : 20260410
<ACCEPTANCE-DATETIME>20260410161838
ACCESSION NUMBER:		0001193125-26-151312
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260318
FILED AS OF DATE:		20260410
DATE AS OF CHANGE:		20260410

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Xu Cong Claire
		CENTRAL INDEX KEY:			0002114309
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39173
		FILM NUMBER:		26855118

	MAIL ADDRESS:	
		STREET 1:		C/O NOVABRIDGE BIOSCIENCES
		STREET 2:		2440 RESEARCH BOULEVARD, SUITE 400
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NovaBridge Biosciences
		CENTRAL INDEX KEY:			0001778016
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 400, 2440 RESEARCH BLVD
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		(301) 670 2800

	MAIL ADDRESS:	
		STREET 1:		SUITE 400, 2440 RESEARCH BLVD
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	I-Mab
		DATE OF NAME CHANGE:	20190528
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>3/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0607</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2026-03-18</periodOfReport>

    <dateOfOriginalSubmission>2026-03-18</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001778016</issuerCik>
        <issuerName>NovaBridge Biosciences</issuerName>
        <issuerTradingSymbol>NBP</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002114309</rptOwnerCik>
            <rptOwnerName>Xu Cong Claire</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O NOVABRIDGE BIOSCIENCES,</rptOwnerStreet1>
            <rptOwnerStreet2>2440 RESEARCH BOULEVARD, SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>ROCKVILLE</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20850</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>284266</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Ordinary Shares may be represented by American Depositary Shares (&quot;ADS&quot;). Each 10 ADSs represent 23 Ordinary Shares of the Issuer.</footnote>
        <footnote id="F2">Reported securities are represented by 123,594 ADSs.</footnote>
        <footnote id="F3">This Form 3 is being filed to correct a typographical error in the number of Ordinary Shares beneficially owned and underlying the 123,594 ADSs held by the Reporting Person. All other information disclosed in the original Form 3 filed on March 18, 2026, remains unchanged.</footnote>
    </footnotes>

    <remarks>Senior Vice President, Clinical Development</remarks>

    <ownerSignature>
        <signatureName>/s/ Xi-Yong (Sean) Fu as attorney-in-fact</signatureName>
        <signatureDate>2026-04-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
