SIGA TECHNOLOGIES INC — Director's Dealing 2017

May 24, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2017-05-23

Reporting Person: Plansky Michael C. (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-23	Stock Option (Right to buy)	$3.5	A	25000	Acquired	2027-05-23	Common Stock, par value $.0001 per share (25000)	Direct
2017-05-23	Restricted Stock Units	$	A	15000	Acquired		Common Stock, par value $.0001 per share (15000)	Direct

Footnotes

F1: The options vest immediately upon the grant of such options.

F2: Each restricted stock unit ("RSU") converts into one share of common stock of SIGA Technologies, Inc. on a one for one basis.

F3: The RSUs vest on the first anniversary of the grant date.