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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, DC 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Pursuant to Section&nbsp;13 or 15(d)
of the Securities Exchange Act of 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event reported):
March 8, 2012</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PHARMATHENE, INC.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Exact name of registrant as specified
in its charter)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
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    <TD STYLE="width: 32%">&nbsp;</TD>
    <TD STYLE="width: 2%; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="width: 32%">&nbsp;</TD>
    <TD STYLE="width: 2%; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="width: 32%">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font-weight: bold; text-decoration: underline; text-align: center">Delaware</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-weight: bold; text-decoration: underline; text-align: center">001-32587</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-weight: bold; text-decoration: underline; text-align: center">20-2726770</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(State or other jurisdiction</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>of incorporation)</B></P></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Commission</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>File Number)</B></P></TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(IRS Employer</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Identification No.)</B></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR>
    <TD STYLE="width: 66%; vertical-align: top; font-weight: bold; text-decoration: underline; text-align: center">One Park Place, Suite 450, Annapolis, Maryland</TD>
    <TD STYLE="width: 2%; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="width: 32%; vertical-align: bottom; font-weight: bold; text-decoration: underline; text-align: center">21401</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font-weight: bold; text-align: center">(Address of principal executive offices)</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; font-weight: bold; text-align: center">(Zip Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Registrant&rsquo;s telephone number including
area code: (410)&nbsp;269-2600</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Former name or former address, if changed
since last report)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 27pt">Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD STYLE="width: 96%">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD STYLE="width: 96%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD STYLE="width: 96%">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%"><FONT STYLE="font-family: Wingdings 2">&#163;</FONT></TD>
    <TD STYLE="width: 96%">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD STYLE="width: 9%; vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">Item 2.02</TD>
    <TD STYLE="width: 2%; vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 89%; vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">Results of Operations and Financial Condition.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On March 8, 2012, PharmAthene,&nbsp;Inc. issued a press release announcing its financial and operating results for the year ended
December 31, 2011.&nbsp; A copy of the press release is furnished as Exhibit&nbsp;99.1 to this report.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">In accordance with
General Instruction B.2. of Form&nbsp;8-K, the information in this Current Report on Form&nbsp;8-K, including Exhibit&nbsp;99.1,
shall not be deemed to be &ldquo;filed&rdquo; for purposes of Section&nbsp;18 of the Securities Exchange Act of 1934, as amended
(the &ldquo;Exchange Act&rdquo;), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference
into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except
as shall be expressly set forth by specific reference in such filing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

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<TR>
    <TD STYLE="width: 9%; vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">Item 9.01</TD>
    <TD STYLE="width: 2%; vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 89%; vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">Financial Statements and Exhibits.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(d)&nbsp;Exhibits</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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    <TD STYLE="width: 6%; border-bottom: windowtext 1pt solid; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold">No.</TD>
    <TD STYLE="width: 2%; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold; text-align: center">&nbsp;</TD>
    <TD STYLE="width: 92%; border-bottom: windowtext 1pt solid; padding-right: 0.7pt; padding-left: 0.7pt; font-weight: bold; text-align: center">Description</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">99.1</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">Press release, dated March 8, 2012, issued by PharmAthene,&nbsp;Inc.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>SIGNATURES </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 27pt">Pursuant to the requirements of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; background-color: white">
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    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 47%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>PHARMATHENE, INC.</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in; text-align: left">(Registrant)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Date:&nbsp; March 8, 2012</TD>
    <TD>By:&nbsp;&nbsp;</TD>
    <TD STYLE="border-bottom: windowtext 1pt solid">/s/ Linda Chang</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Linda L. Chang</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2.35pt">Chief Financial Officer</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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{"company-data": {"conformed-name": "PHARMATHENE, INC", "cik": "0001326190", "assigned-sic": "2834", "irs-number": "202726770", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-32587", "film-number": "12677416"}, "business-address": {"street1": "ONE PARK PLACE, SUITE 450", "city": "ANNAPOLIS", "state": "MD", "zip": "21401", "phone": "410 269 2600"}, "mail-address": {"street1": "ONE PARK PLACE, SUITE 450", "city": "ANNAPOLIS", "state": "MD", "zip": "21401"}, "former-company": {"former-conformed-name": "HEALTHCARE ACQUISITION CORP", "date-changed": "20050505"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
March 8, 2012
PHARMATHENE, INC.
(Exact name of registrant as specified
in its charter)
Delaware
001-32587
20-2726770
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
One Park Place, Suite 450, Annapolis, Maryland
21401
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number including
area code: (410) 269-2600
(Former name or former address, if changed
since last report)
Check the appropriate box below if the Form
8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
£
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
£
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
£
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
£
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 2.02
Results of Operations and Financial Condition.
On March 8, 2012, PharmAthene, Inc. issued a press release announcing its financial and operating results for the year ended
December 31, 2011.  A copy of the press release is furnished as Exhibit 99.1 to this report.
In accordance with
General Instruction B.2. of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99.1,
shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference
into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except
as shall be expressly set forth by specific reference in such filing.
Item 9.01
Financial Statements and Exhibits.
(d) Exhibits
No.
Description
99.1
Press release, dated March 8, 2012, issued by PharmAthene, Inc.
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
PHARMATHENE, INC.
(Registrant)
Date:  March 8, 2012
By:
/s/ Linda Chang
Linda L. Chang
Chief Financial Officer