<SEC-DOCUMENT>0001140361-13-024766.txt : 20130610
<SEC-HEADER>0001140361-13-024766.hdr.sgml : 20130610
<ACCEPTANCE-DATETIME>20130610174036
ACCESSION NUMBER:		0001140361-13-024766
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130606
FILED AS OF DATE:		20130610
DATE AS OF CHANGE:		20130610

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VirnetX Holding Corp
		CENTRAL INDEX KEY:			0001082324
		STANDARD INDUSTRIAL CLASSIFICATION:	PATENT OWNERS & LESSORS [6794]
		IRS NUMBER:				770390628
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		308 DORLA COURT
		STREET 2:		SUITE 206
		CITY:			ZEPHYR COVE
		STATE:			NV
		ZIP:			89448
		BUSINESS PHONE:		(831) 438-8200

	MAIL ADDRESS:	
		STREET 1:		308 DORLA COURT
		STREET 2:		SUITE 206
		CITY:			ZEPHYR COVE
		STATE:			NV
		ZIP:			89448

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PASW INC
		DATE OF NAME CHANGE:	20001109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PACIFIC SOFTWORKS INC
		DATE OF NAME CHANGE:	19990322

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			O'BRIEN THOMAS M
		CENTRAL INDEX KEY:			0001241556

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33852
		FILM NUMBER:		13904437

	MAIL ADDRESS:	
		STREET 1:		308 DORLA COURT
		STREET 2:		SUITE 206
		CITY:			ZEPHYR COVE
		STATE:			NV
		ZIP:			89448

	FORMER NAME:	
		FORMER CONFORMED NAME:	O BRIEN THOMAS M
		DATE OF NAME CHANGE:	20030613
</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>2013-06-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001082324</issuerCik>
        <issuerName>VirnetX Holding Corp</issuerName>
        <issuerTradingSymbol>VHC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001241556</rptOwnerCik>
            <rptOwnerName>O'BRIEN THOMAS M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 308 DORLA COURT, SUITE 206</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ZEPHYR COVE</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89448</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>2013-06-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8333</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>93330</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>23.72</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2013-06-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-06-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>12500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive, upon vesting, one share of VirnetX Holding Corporation common stock. 100% of the restricted stock units will vest on June 6, 2014 so long as the reporting person's Continuous Service Status (as defined in the Issuer's 2007 Stock Plan) continues. If a Change of Control (as defined in the Issuer's 2007 Stock Plan) occurs, all of the restricted stock units then unvested as of the date of the Change of Control, will vest immediately prior to the consummation of the Change of Control transaction.</footnote>
        <footnote id="F2">100% of the shares shall vest and become exercisable on June 6, 2014 so long as the reporting person's Continuous Service Status (as defined in the Issuer's 2007 Stock Plan) continues. If a Change of Control (as defined in the Issuer's 2007 Stock Plan) occurs, all of the Shares underlying this Option then unvested as of the date of the Change of Control, will vest and become exercisable immediately prior to the consummation of the Change of Control transaction.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kendall Larsen, Attorney-in-fact</signatureName>
        <signatureDate>2013-06-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
