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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000922423-03-001309.txt : 20031126
<SEC-HEADER>0000922423-03-001309.hdr.sgml : 20031126
<ACCEPTANCE-DATETIME>20031126124229
ACCESSION NUMBER:		0000922423-03-001309
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031124
FILED AS OF DATE:		20031126

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIGA TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001010086
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133864870
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		420 LEXINGTON AVE
		STREET 2:		SUITE 601
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10170
		BUSINESS PHONE:		2126729100

	MAIL ADDRESS:	
		STREET 1:		420 LEXINGTON AVE
		STREET 2:		SUITE 601
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10170

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIGA PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19961108

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEINER MICHAEL MD
		CENTRAL INDEX KEY:			0001139300

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23047
		FILM NUMBER:		031025516

	BUSINESS ADDRESS:	
		STREET 1:		161 FORT WASHINGTON AVENUE
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10032
		BUSINESS PHONE:		2123055901

	MAIL ADDRESS:	
		STREET 1:		161 FORT WASHINGTON AVENUE
		STREET 2:		7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10032
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>kl11049_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-11-24</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0001010086</issuerCik>
        <issuerName>SIGA TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>SIGA</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001139300</rptOwnerCik>
            <rptOwnerName>WEINER MICHAEL MD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>161 FORT WASHINGTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10032</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, $.0001 par value per share</value>
      </securityTitle>
      <transactionDate>
         <value>2003-11-24</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>5</transactionFormType>
         <transactionCode>G</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>12500</value>
         </transactionShares>
         <transactionPricePerShare>
            <footnoteId id="F1"/>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>112500</value>
            <footnoteId id="F2"/>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
 </nonDerivativeTable>
   <footnotes>
      <footnote id="F1"> Since the nature of the disposition is a gift, the price is omitted.</footnote>

      <footnote id="F2"> Includes 12,500 shares issuable upon exercise of warrants and 100,000 shares issuable upon exercise of options.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>/s/ Michael A. Weiner, M.D.</signatureName>
      <signatureDate>2003-11-26</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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