SIGA TECHNOLOGIES INC — Director's Dealing 2013

May 16, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2013-05-15

Reporting Person: WEINER MICHAEL MD (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-15	Restricted Stock Units	$	A	15000	Acquired		Common Stock, par value $.0001 per share (15000)	Direct

Footnotes

F1: Each restricted stock unit ("RSU") converts into one share of common stock of SIGA Technologies, Inc. on a one for one basis.

F2: The RSUs vest on the first anniversary of the grant date.