SIGA TECHNOLOGIES INC — Director's Dealing 2016

Dec 12, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2016-12-08

Reporting Person: ROSE ERIC A MD (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-12-08	Common Stock, par value $.0001 per share	M	66667	—	Acquired	649564	Direct
2016-12-08	Common Stock, par value $.0001 per share	M	66668	—	Acquired	716232	Direct
2016-12-08	Common Stock, par value $.0001 per share	F	68469	$3.13	Disposed	647763	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-12-08	Restricted Stock Units	$	M	66667	Disposed		Common Stock, par value $.0001 per share (66667)	Direct
2016-12-08	Restricted Stock Units	$	M	66668	Disposed		Common Stock, par value $.0001 per share (66668)	Direct

Footnotes

F1: SIGA Technologies, Inc. (the "Issuer") has certain tax withholding obligations associated with the vesting of restricted stock units ("RSUs") and the consequent issuance of Common Stock of the Issuer. This Form 4 reports the surrender to the Issuer by the Reporting Person of 68,469 shares of Common Stock -- granted in the form of RSUs on January 3, 2013 and January 3, 2014 -- in order to satisfy those withholding tax obligations.

F2: Represents vesting and conversion of certain RSUs granted on January 3, 2013. Each RSU converts into one share of Common Stock of the Issuer on a one for one basis.

F3: Represents vesting and conversion of certain RSUs granted on January 3, 2014. Each RSU converts into one share of Common Stock of the Issuer on a one for one basis.