SIGA TECHNOLOGIES INC — Director's Dealing 2008

May 15, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2008-05-14

Reporting Person: Slotkin Judy S (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-05-14	Stock Option (Right to Buy)	$3.53	A	10000	Acquired	2018-05-14	Common Stock, Par Value $.0001 per share (10000)	Direct

Footnotes

F1: Includes 18,244 shares of common stock issuable upon exercise of warrants held by Ms. Slotkin's spouse, which she may be deemed to beneficially own, and 65,000 shares of common stock issuable upon the exercise of options.