<SEC-DOCUMENT>0001104659-24-072881.txt : 20240618
<SEC-HEADER>0001104659-24-072881.hdr.sgml : 20240618
<ACCEPTANCE-DATETIME>20240618170059
ACCESSION NUMBER:		0001104659-24-072881
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240614
FILED AS OF DATE:		20240618
DATE AS OF CHANGE:		20240618

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NEIS JOHN
		CENTRAL INDEX KEY:			0001167426
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36598
		FILM NUMBER:		241052779

	MAIL ADDRESS:	
		STREET 1:		505 S. ROSA ROAD, SUITE 201
		CITY:			MADISON
		STATE:			WI
		ZIP:			53719

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cellectar Biosciences, Inc.
		CENTRAL INDEX KEY:			0001279704
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				043321804
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 CAMPUS DRIVE
		CITY:			FLORHAM PARK
		STATE:			NJ
		ZIP:			07932
		BUSINESS PHONE:		(608) 441-8120

	MAIL ADDRESS:	
		STREET 1:		100 CAMPUS DRIVE
		CITY:			FLORHAM PARK
		STATE:			NJ
		ZIP:			07932

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NOVELOS THERAPEUTICS, INC.
		DATE OF NAME CHANGE:	20050617

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMON HORIZONS INC
		DATE OF NAME CHANGE:	20040211
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm2417520-3_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-06-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001279704</issuerCik>
        <issuerName>Cellectar Biosciences, Inc.</issuerName>
        <issuerTradingSymbol>CLRB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001167426</rptOwnerCik>
            <rptOwnerName>NEIS JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CELLECTAR BIOSCIENCES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>100 CAMPUS DRIVE</rptOwnerStreet2>
            <rptOwnerCity>FLORHAM PARK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07932</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.58</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-06-14</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-12-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>60000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option was contingently granted on December 22, 2023, subject to approval by Cellectar's stockholders of Cellectar's amended 2021 Stock Incentive Plan at Cellectar's 2024 Annual Meeting of Stockholders. Such stockholder approval was obtained on June 14, 2024.</footnote>
        <footnote id="F2">This option shall vest in full on December 22, 2024, subject to the reporting person's continued service through the applicable vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Christina Blakley, attorney-in-fact for John Neis</signatureName>
        <signatureDate>2024-06-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
