SIGA TECHNOLOGIES INC — Director's Dealing 2007

Jul 30, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2007-07-26

Reporting Person: ROSE ERIC A MD (Director, Chief Executive Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-07-26	Stock Option (Right to buy)	$3.10	A	200000	Acquired	2017-07-26	Common Stock, par value $.0001 per share (200000)	Direct

Footnotes

F1: The options will vest pro rata on the first, second and third anniversaries of the date of grant.

F2: Includes 88,610 shares of common stock issuable upon exercise of warrants and 830,000 shares of common stock issuable upon exercise of options. Does not include shares of common stock that Dr. Rose, as a director of TransTech Pharma, may be deemed to beneficially own and as to which Dr. Rose disclaims beneficial ownership.