SIGA TECHNOLOGIES INC — Director's Dealing 2025

Mar 26, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2025-03-25

Reporting Person: Miller Larry R. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-25	Common Stock, par value $.0001 per share	M	6920	—	Acquired	37820	Direct
2025-03-25	Common Stock, par value $.0001 per share	F	2764	$5.89	Disposed	35056	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-25	Restricted Stock Units	$	M	6920	Disposed		Common Stock, par value $.0001 per share (6920)	Direct

Footnotes

F1: Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $5.89 per share, the closing stock price on March 25, 2025) 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 March 25, 2024 and vest over three years, one-third on each of the first three anniversaries of the date of grant.