<SEC-DOCUMENT>0001144204-11-053339.txt : 20110915
<SEC-HEADER>0001144204-11-053339.hdr.sgml : 20110915
<ACCEPTANCE-DATETIME>20110915171913
ACCESSION NUMBER:		0001144204-11-053339
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20110908
FILED AS OF DATE:		20110915
DATE AS OF CHANGE:		20110915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MACNEILL PHILIP
		CENTRAL INDEX KEY:			0001529856

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32587
		FILM NUMBER:		111093538

	MAIL ADDRESS:	
		STREET 1:		ONE PARK PLACE
		STREET 2:		STE 450
		CITY:			ANNAPOLIS
		STATE:			MD
		ZIP:			21401

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
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    <schemaVersion>X0204</schemaVersion>

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    <periodOfReport>2011-09-08</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001326190</issuerCik>
        <issuerName>PHARMATHENE, INC</issuerName>
        <issuerTradingSymbol>PIP</issuerTradingSymbol>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001529856</rptOwnerCik>
            <rptOwnerName>MACNEILL PHILIP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PHARMATHENE, INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>ONE PARK PLACE, SUITE 450</rptOwnerStreet2>
            <rptOwnerCity>ANNAPOLIS</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21401</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Controller and PAO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Purchase Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.23</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2021-01-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The options vest over a 4 year period with 25% each vesting on the first, second, third and fourth anniversaries of the grant date.</footnote>
    </footnotes>

    <remarks>Exhibit List: Exhibit 24 - Confirming Statement</remarks>

    <ownerSignature>
        <signatureName>/s/ Philip MacNeill</signatureName>
        <signatureDate>2011-09-15</signatureDate>
    </ownerSignature>
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