<SEC-DOCUMENT>0001567619-22-006076.txt : 20220302
<SEC-HEADER>0001567619-22-006076.hdr.sgml : 20220302
<ACCEPTANCE-DATETIME>20220302163246
ACCESSION NUMBER:		0001567619-22-006076
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220228
FILED AS OF DATE:		20220302
DATE AS OF CHANGE:		20220302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lublin Scott
		CENTRAL INDEX KEY:			0001742369

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38282
		FILM NUMBER:		22704107

	MAIL ADDRESS:	
		STREET 1:		99 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10016

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Metropolitan Bank Holding Corp.
		CENTRAL INDEX KEY:			0001476034
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				134042724
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		99 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10016
		BUSINESS PHONE:		212-659-0600

	MAIL ADDRESS:	
		STREET 1:		99 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10016
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-02-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001476034</issuerCik>
        <issuerName>Metropolitan Bank Holding Corp.</issuerName>
        <issuerTradingSymbol>MCB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001742369</rptOwnerCik>
            <rptOwnerName>Lublin Scott</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>99 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and CLO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-02-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>43186</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes restricted stock units granted on February 25, 2020 and vest at a rate of 33.3% per year commencing on December 15, 2020.</footnote>
        <footnote id="F2">Includes restricted stock units granted on February 24, 2021 that vest at a rate of 33.3% per year commencing on March 1, 2022.</footnote>
        <footnote id="F3">Restricted stock units granted on February 23, 2022 that vest at a rate of 33.3% per year commencing on March 1, 2023.</footnote>
        <footnote id="F4">On May 3, 2021 the reporting person was granted 30,000 restricted stock units which vests at a rate of 33% per year commencing on February 28, 2022, subject to the satisfaction of certain performance criteria. The performance criteria for the fiscal year ended December 31, 2021 were met, resulting in the vesting of 10,000 restricted stock units.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michele Weber, pursuant to power of attorney</signatureName>
        <signatureDate>2022-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
