<SEC-DOCUMENT>0001628280-25-040407.txt : 20250814
<SEC-HEADER>0001628280-25-040407.hdr.sgml : 20250814
<ACCEPTANCE-DATETIME>20250814162127
ACCESSION NUMBER:		0001628280-25-040407
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250813
FILED AS OF DATE:		20250814
DATE AS OF CHANGE:		20250814

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Sugarman Steven
		CENTRAL INDEX KEY:			0001504590
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29599
		FILM NUMBER:		251219617

	MAIL ADDRESS:	
		STREET 1:		C/O FIRST PACTRUST BANCORP INC
		STREET 2:		610 BAY BOULEVARD
		CITY:			CHULA VISTA
		STATE:			CA
		ZIP:			91910

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PATRIOT NATIONAL BANCORP INC
		CENTRAL INDEX KEY:			0001098146
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		ORGANIZATION NAME:           	02 Finance
		EIN:				061559137
		STATE OF INCORPORATION:			CT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		900 BEDFORD ST
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		2033247500
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1755202883.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-08-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001098146</issuerCik>
        <issuerName>PATRIOT NATIONAL BANCORP INC</issuerName>
        <issuerTradingSymbol>PNBK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001504590</rptOwnerCik>
            <rptOwnerName>Sugarman Steven</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PATRIOT NATIONAL BANCORP, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>900 BEDFORD STREET</rptOwnerStreet2>
            <rptOwnerCity>STAMFORD</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06901</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-08-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>552927</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>552927</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On August 13, 2025, the Reporting Person received an award agreement effective July 1, 2025 for Restricted Stock Units (RSUs) equal to 552,927 shares of Common Stock, par value $0.01 per share of Patriot National Bancorp, Inc. (the Issuer). The RSUs were granted pursuant to an Employment Agreement between the Reporting Person and the Issuer, effective as of March 20, 2025.  The RSUs vest in 12 equal monthly installments commencing on July 1, 2025 and ending on July 1, 2026. Vested RSUs represent the right to be settled on July 1, 2026.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Steven Sugarman</signatureName>
        <signatureDate>2025-08-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
