SIGA TECHNOLOGIES INC — Director's Dealing 2025

Jun 11, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIGA TECHNOLOGIES INC (SIGA)
CIK: 0001010086
Period of Report: 2025-06-10

Reporting Person: Ford Harold Eugene Jr. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-10	Common Stock, par value $.0001 per share	M	19084	—	Acquired	36382	Direct
2025-06-10	Common Stock, par value $.0001 per share	D	5725	$6.22	Disposed	30657	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-10	Restricted Stock Units	$	M	19084	Disposed		Common Stock, par value $.0001 per share (19084)	Direct
2025-06-10	Restricted Stock Units	$	A	24116	Acquired		Common Stock, par value $.0001 per share (24116)	Direct

Footnotes

F1: Restricted stock units ("RSUs") represent contingent rights to receive common stock of SIGA Technologies, Inc. (the "Company") on a one-for-one basis.

F2: Reflects RSUs that were cash-settled, per the terms of the compensation program for Board Directors and as noted on the Form 4 filed on June 13, 2024. Partial cash-settlement of RSUs under the Board compensation program is designed to address tax obligations in connection with the vesting of RSUs.

F3: The RSUs were granted on June 11, 2024, and fully vested on the date of the Company's 2025 annual meeting of stockholders.

F4: RSUs represent contingent rights to receive common stock of the Company on a one-for-one basis, of which up to 7,235 RSUs are expected to settle in cash value thereof but may be settled in shares at the discretion of the board of directors.

F5: The RSUs fully vest on the date of the Company's 2026 annual meeting of stockholders.