<SEC-DOCUMENT>0000712537-23-000045.txt : 20230201
<SEC-HEADER>0000712537-23-000045.hdr.sgml : 20230201
<ACCEPTANCE-DATETIME>20230201174632
ACCESSION NUMBER:		0000712537-23-000045
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230131
FILED AS OF DATE:		20230201
DATE AS OF CHANGE:		20230201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Husic Patricia A.
		CENTRAL INDEX KEY:			0001962757

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11138
		FILM NUMBER:		23578054

	MAIL ADDRESS:	
		STREET 1:		601 PHILADELPHIA STREET
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST COMMONWEALTH FINANCIAL CORP /PA/
		CENTRAL INDEX KEY:			0000712537
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				251428528
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		601 PHILADELPHIA STREET
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
		BUSINESS PHONE:		7243497220

	MAIL ADDRESS:	
		STREET 1:		601 PHILADELPHIA STREET
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_167529157246035.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-01-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000712537</issuerCik>
        <issuerName>FIRST COMMONWEALTH FINANCIAL CORP /PA/</issuerName>
        <issuerTradingSymbol>FCF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001962757</rptOwnerCik>
            <rptOwnerName>Husic Patricia A.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>601 PHILADELPHIA STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>INDIANA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-01-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>141698</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>141698</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The transaction reflected herein is an acquisition in connection with the merger of Centric Financial Corporation (&quot;Centric&quot;) and First Commonwealth Financial Corporation (&quot;First Commonwealth&quot;), with First Commonwealth as the surviving corporation, which merger was completed on January 31, 2023, pursuant to the Agreement and Plan of Merger, dated as of August 30, 2022, by and between such parties. In the merger, (1) each outstanding share of Centric common stock was converted into the right to receive 1.09 shares of First Commonwealth common stock (the &quot;Exchange Ratio&quot;), (footnote (1) continues below in footnote (2))</footnote>
        <footnote id="F2">(2) each outstanding option and warrant to acquire shares of Centric common stock was cancelled in exchange for shares of First Commonwealth common stock equal to the value of the option or warrant, if any, based on the Exchange Ratio, and (3) unvested restricted stock of Centric vested in full upon the closing and was converted into the right to receive First Commonwealth common stock based on the Exchange Ratio. The closing market value of First Commonwealth common stock on the date of the merger was $14.71 per share. All transactions are exempt from Section 16(b) pursuant to Rule 16b-3(e).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Matthew C. Tomb POA for Patricia A. Husic</signatureName>
        <signatureDate>2023-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
