SIGA TECHNOLOGIES INC — Director's Dealing 2009

Oct 2, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2009-09-30

Reporting Person: TRANSTECH PHARMA INC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-09-30	Common Stock, par value $0.0001 per share ("Common Stock")	X	1824412	$1.90	Acquired	4296634	Direct
2009-09-30	Common Stock	F	444665	$7.80	Disposed	3851969	Direct
2009-09-30	Common Stock	S	3851969	$6.24	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-09-30	Warrant (right to buy)	$1.90	X	1824412	Disposed	2011-01-08	Common Stock (1824412)	Direct

Footnotes

F1: On September 30, 2009, TransTech Pharma, Inc. sold 3,851,969 shares of Common Stock in a privately negotiated transaction to STH Partners L.P.