<SEC-DOCUMENT>0001253225-21-000002.txt : 20210706
<SEC-HEADER>0001253225-21-000002.hdr.sgml : 20210706
<ACCEPTANCE-DATETIME>20210706093117
ACCESSION NUMBER:		0001253225-21-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210701
FILED AS OF DATE:		20210706
DATE AS OF CHANGE:		20210706

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Patel Kirtesh
		CENTRAL INDEX KEY:			0001869371

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38874
		FILM NUMBER:		211072678

	MAIL ADDRESS:	
		STREET 1:		112 WEST KING STREET
		CITY:			STRASBURG
		STATE:			VA
		ZIP:			22657

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST NATIONAL CORP /VA/
		CENTRAL INDEX KEY:			0000719402
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				541232965
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		112 WEST KING STREET
		CITY:			STRASBURG
		STATE:			VA
		ZIP:			22657
		BUSINESS PHONE:		5404659121

	MAIL ADDRESS:	
		STREET 1:		112 WEST KING STREET
		CITY:			STRASBURG
		STATE:			VA
		ZIP:			22657
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-07-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000719402</issuerCik>
        <issuerName>FIRST NATIONAL CORP /VA/</issuerName>
        <issuerTradingSymbol>FXNC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001869371</rptOwnerCik>
            <rptOwnerName>Patel Kirtesh</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>112 WEST KING STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STRASBURG</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22657</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $1.25 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2021-07-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12211</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12211</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects common shares of First National Corporation received in exchange for 74,054 common shares of The Bank of Fincastle at the effective time of the merger of The Bank of Fincastle into First National Corporation, pursuant to the agreement and plan of merger between First National Corporation and The Bank of Fincastle. Represents an exchange ratio of 0.1649 First National Corporation common shares per common share of The Bank of Fincastle, with cash paid in lieu of fractional shares.</footnote>
        <footnote id="F2">The closing price per common share of The Bank of Fincastle on the day immediately preceding the effective date of the merger was $3.25 per share, and the closing price per common share of First National Corporation on the effective date of the merger was $20.08 per share.</footnote>
        <footnote id="F3">For purposes of filing this Form 4, the number of shares of First National Corporation common stock is estimated based on the reporting person's election under the merger agreement and will be updated if the final number differs materially from this estimate.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>M Shane Bell, by Power of Attorney</signatureName>
        <signatureDate>2021-07-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
