<SEC-DOCUMENT>0001144204-18-008457-index.html : 20180214
<SEC-HEADER>0001144204-18-008457.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214110747
ACCESSION NUMBER:		0001144204-18-008457
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214
GROUP MEMBERS:		DANIEL MACK
GROUP MEMBERS:		WILMOT B. HARKEY

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-53627
		FILM NUMBER:		18608871

	BUSINESS ADDRESS:	
		STREET 1:		27 EAST 62ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065
		BUSINESS PHONE:		212-672-9100

	MAIL ADDRESS:	
		STREET 1:		27 EAST 62ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065

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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nantahala Capital Management, LLC
		CENTRAL INDEX KEY:			0001472322
		IRS NUMBER:				201151760
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		19 OLD KINGS HIGHWAY S
		STREET 2:		SUITE 200
		CITY:			DARIEN
		STATE:			CT
		ZIP:			06820
		BUSINESS PHONE:		203-404-1172

	MAIL ADDRESS:	
		STREET 1:		19 OLD KINGS HIGHWAY S
		STREET 2:		SUITE 200
		CITY:			DARIEN
		STATE:			CT
		ZIP:			06820
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tv485969_sc13ga.htm
<DESCRIPTION>SCHEDULE 13G/A
<TEXT>
Document 1 - file: tv485969_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>