SIGA TECHNOLOGIES INC — Director's Dealing 2009

Aug 3, 2009

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2009-07-30

Reporting Person: MacAndrews & Forbes Holdings Inc. (10% Owner)
Reporting Person: PERELMAN RONALD O (10% Owner)
Reporting Person: MacAndrews & Forbes LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2009-07-30	Common Stock, par value $.0001 per share	P	1000000	$6.24	Acquired	5635235	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.0001 per share	2472222	Indirect

Footnotes

F1: On July 30, 2009, MacAndrews & Forbes LLC, a joint filer hereunder, acquired 1,000,000 shares of Common Stock, par value $.0001 per share, in a privately negotiated purchase from TransTech Pharma, Inc. ("TTP"), a corporation in which Ronald O. Perelman, a joint filer hereunder, has a direct ownership interest.

F2: Represents securities held by TTP. Mr. Perelman disclaims beneficial ownership of the securities reported on the Form 4 as owned by TTP, except to the extent of his pecuniary interest therein. Neither MacAndrews & Forbes Holdings Inc. nor MacAndrews & Forbes LLC has any pecuniary interest in securities held by TTP.