<SEC-DOCUMENT>0001767555-25-000005.txt : 20250924
<SEC-HEADER>0001767555-25-000005.hdr.sgml : 20250924
<ACCEPTANCE-DATETIME>20250924211830
ACCESSION NUMBER:		0001767555-25-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250915
FILED AS OF DATE:		20250924
DATE AS OF CHANGE:		20250924

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Nelson Connia M
		CENTRAL INDEX KEY:			0001767555
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38704
		FILM NUMBER:		251340070

	MAIL ADDRESS:	
		STREET 1:		C/O HUDSON GLOBAL, INC.
		STREET 2:		53 FOREST AVENUE
		CITY:			OLD GREENWICH
		STATE:			CT
		ZIP:			06870

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Star Equity Holdings, Inc.
		CENTRAL INDEX KEY:			0001210708
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				593547281
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		53 FOREST AVENUE
		CITY:			OLD GREENWICH
		STATE:			CT
		ZIP:			06870
		BUSINESS PHONE:		2034095628

	MAIL ADDRESS:	
		STREET 1:		53 FOREST AVENUE
		CITY:			OLD GREENWICH
		STATE:			CT
		ZIP:			06870

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Hudson Global, Inc.
		DATE OF NAME CHANGE:	20120501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HUDSON HIGHLAND GROUP INC
		DATE OF NAME CHANGE:	20030311

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HUDSON HIGHLAND  INC
		DATE OF NAME CHANGE:	20030224
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1758763107.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-09-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001210708</issuerCik>
        <issuerName>Star Equity Holdings, Inc.</issuerName>
        <issuerTradingSymbol>STRR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001767555</rptOwnerCik>
            <rptOwnerName>Nelson Connia M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STAR EQUITY HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>53 FOREST AVENUE, SUITE 102</rptOwnerStreet2>
            <rptOwnerCity>OLD GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06870</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-09-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13149</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.37</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35350</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares withheld to satisfy tax obligations due in connection with the vesting of restricted stock units previously granted to the Reporting Person on May 6, 2019 through August 15, 2024.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Hannah Bible, as Attorney-in-Fact for Connia Nelson</signatureName>
        <signatureDate>2025-09-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
