-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Wglth0vuFY9116fNZI0HM5LK4tpoZfObsKS7USHtR4c+RY7mig6ETP5F1todl8ka
 RF5b7mVm5KhjaVehW75Mjw==

<SEC-DOCUMENT>0001104659-09-008017.txt : 20090210
<SEC-HEADER>0001104659-09-008017.hdr.sgml : 20090210
<ACCEPTANCE-DATETIME>20090210170734
ACCESSION NUMBER:		0001104659-09-008017
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090121
FILED AS OF DATE:		20090210
DATE AS OF CHANGE:		20090210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Price Kevin
		CENTRAL INDEX KEY:			0001440471

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32587
		FILM NUMBER:		09586464

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		44-0-4642-558-970

	MAIL ADDRESS:	
		STREET 1:		C/O PHARMATHENE UK LTD,
		STREET 2:		P.O. BOX 88, HAVERTON HILL ROAD
		CITY:			BILLINGHAM TS23 1XN
		STATE:			X0
		ZIP:			TS23 1XN

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PHARMATHENE, INC
		CENTRAL INDEX KEY:			0001326190
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				202726770
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE PARK PLACE, SUITE 450
		CITY:			ANNAPOLIS
		STATE:			MD
		ZIP:			21401
		BUSINESS PHONE:		410 269 2600

	MAIL ADDRESS:	
		STREET 1:		ONE PARK PLACE, SUITE 450
		CITY:			ANNAPOLIS
		STATE:			MD
		ZIP:			21401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTHCARE ACQUISITION CORP
		DATE OF NAME CHANGE:	20050505
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-01-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001326190</issuerCik>
        <issuerName>PHARMATHENE, INC</issuerName>
        <issuerTradingSymbol>PIP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001440471</rptOwnerCik>
            <rptOwnerName>Price Kevin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PHARMATHENE UK LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 88, HAVERTON HILL ROAD</rptOwnerStreet2>
            <rptOwnerCity>BILLINGHAM</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>TS23 1XN</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President - PharmAthene UK,Ltd</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.46</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-01-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2019-01-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1900</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>166900</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests over a 4 year period with 25% each vesting on the first, second, third and fourth anniversaries of the grant date.</footnote>
        <footnote id="F2">On January 21, 2009, the date such stock options were granted, the closing price of the Issuer's common stock was $2.46 per share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Roland S. Chase, attorney in fact</signatureName>
        <signatureDate>2009-02-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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