<SEC-DOCUMENT>0001140361-21-031663-index.html : 20210917
<SEC-HEADER>0001140361-21-031663.hdr.sgml : 20210917
<ACCEPTANCE-DATETIME>20210917160319
ACCESSION NUMBER:		0001140361-21-031663
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210917
DATE AS OF CHANGE:		20210917
GROUP MEMBERS:		MACANDREWS & FORBES GROUP LLC
GROUP MEMBERS:		MFV HOLDINGS ONE LLC
GROUP MEMBERS:		ST HOLDINGS ONE LLC

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 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-53627
		FILM NUMBER:		211260388

	BUSINESS ADDRESS:	
		STREET 1:		31 EAST 62ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065
		BUSINESS PHONE:		212-672-9100

	MAIL ADDRESS:	
		STREET 1:		31 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:			MacAndrews & Forbes Inc.
		CENTRAL INDEX KEY:			0000918939
		IRS NUMBER:				133603886
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		35 EAST 62ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065
		BUSINESS PHONE:		212-572-8600

	MAIL ADDRESS:	
		STREET 1:		35 EAST 62ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MacAndrews & Forbes Holdings Inc.
		DATE OF NAME CHANGE:	20050201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAFCO HOLDINGS INC
		DATE OF NAME CHANGE:	19940210
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>brhc10029058_sc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: brhc10029058_sc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>