<SEC-DOCUMENT>0001628280-23-018412.txt : 20230516
<SEC-HEADER>0001628280-23-018412.hdr.sgml : 20230516
<ACCEPTANCE-DATETIME>20230516161123
ACCESSION NUMBER:		0001628280-23-018412
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230329
FILED AS OF DATE:		20230516
DATE AS OF CHANGE:		20230516

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sharp Jay
		CENTRAL INDEX KEY:			0001965562

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36541
		FILM NUMBER:		23927605

	MAIL ADDRESS:	
		STREET 1:		797 COMMWEALTH DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Limbach Holdings, Inc.
		CENTRAL INDEX KEY:			0001606163
		STANDARD INDUSTRIAL CLASSIFICATION:	CONSTRUCTION SPECIAL TRADE CONTRACTORS [1700]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		797 COMMONWEALTH DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086
		BUSINESS PHONE:		(412) 359-2100

	MAIL ADDRESS:	
		STREET 1:		797 COMMONWEALTH DRIVE
		CITY:			WARRENDALE
		STATE:			PA
		ZIP:			15086

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	1347 Capital Corp
		DATE OF NAME CHANGE:	20140422
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>wf-form3a_168426786846450.xml
<DESCRIPTION>FORM 3/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2023-03-29</periodOfReport>

    <dateOfOriginalSubmission>2023-03-31</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001606163</issuerCik>
        <issuerName>Limbach Holdings, Inc.</issuerName>
        <issuerTradingSymbol>LMB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001965562</rptOwnerCik>
            <rptOwnerName>Sharp Jay</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>797 COMMONWEALTH DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WARRENDALE</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15086</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President of Limbach</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>52477</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>$12.50 Merger Warrants</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>12.5</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2017-07-20</value>
            </exerciseDate>
            <expirationDate>
                <value>2023-07-20</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>311.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes></footnotes>

    <remarks>This Form 3 Amendment is being filed to include 311 $12.50 Merger Warrants issued to the Reporting Person in connection with the Agreement and Plan of Merger dated March 23, 2016 between 1347 Capital Corp. n/k/a Limbach Holdings, Inc and Limbach Holdings, LLC that were omitted from the Reporting Person's Form 3 originally filed on March 31, 2023.</remarks>

    <ownerSignature>
        <signatureName>/s/ Jeremiah G. Garvey, Attorney-in-Fact for Jay A. Sharp</signatureName>
        <signatureDate>2023-05-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
