SIGA TECHNOLOGIES INC — Director's Dealing 2021

Aug 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2021-07-31

Reporting Person: Luckshire Daniel J (Executive VP & CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-07-31	Common Stock, Par Value $.0001 Per Share	M	26667	$0.00	Acquired	265272	Direct
2021-07-31	Common Stock, Par Value $.0001 Per Share	F	13902	$6.37	Disposed	251370	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-31	Restricted Stock Units	$	M	26667	Disposed		Common Stock, Par Value $.0001 Per Share (26667)	Direct

Footnotes

F1: Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $6.37 per share, the closing stock price on July 30, 2021) to satisfy tax withholding obligations associated with the vesting of restricted stock units ("RSUs") and the consequent issuance of Common Stock.

F2: RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on July 31, 2019 and vested over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021.