Diem Nguyen - 27 Jan 2024 Form 4 Insider Report for SIGA TECHNOLOGIES INC (SIGA)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SIGA	Stock Option (Right to buy)	Award	$0	+109,606	$0.000000	109,606	27 Jan 2024	Common Stock, par value $.0001 per share	109,606	$5.06	Direct	F1
transaction	SIGA	Stock Option (Right to buy)	Award	$0	+219,212	$0.000000	219,212	27 Jan 2024	Common Stock, par value $.0001 per share	219,212	$5.06	Direct	F2
transaction	SIGA	Restricted Stock Units	Award	$0	+167,707	$0.000000	167,707	27 Jan 2024	Common Stock, par value $.0001 per share	167,707		Direct	F3
transaction	SIGA	Performance Stock Units	Award	$0	+177,865	$0.000000	177,865	27 Jan 2024	Common Stock, par value $.0001 per share	177,865		Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The options vest over two years, one-half on each of the first two anniversaries of the date of grant.
F2	The options vest over three years, one-third on each of the first three anniversaries of the date of grant.
F3	Restricted stock units ("RSUs") represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs vest over three years, one-third on each of the first three anniversaries of the date of grant.
F4	Performance stock units ("PSUs") represent contingent rights to receive Common Stock on a one-for-one basis. These PSUs vest as follows: (a) one-third of these PSUs vest if, during any period of 90 consecutive trading days during the three-year period beginning on the grant date (the "Performance Period"), the Issuer's Common Stock closing stock price (plus the per share value of any dividends issued during the measurement date) (the "Stock Price") is at or above $7.00, (b) one-third of these PSUs vest, if during any period of 90 consecutive trading days during the Performance Period, the Stock Price is at or above $8.00, and (c) one-third of these PSUs vest, if during any 90 consecutive trading days during the Performance Period, the Stock Price is at or above $9.00.