Dennis E. Hruby - 01 Jul 2025 Form 4 Insider Report for SIGA TECHNOLOGIES INC (SIGA)

Role
EVP & Chief Scientific Officer
Signature
/s/ Larry R. Miller, as Attorney-in-Fact
Issuer symbol
SIGA
Transactions as of
01 Jul 2025
Net transactions value
-$67,931
Form type
4
Filing time
02 Jul 2025, 20:58:34 UTC
Previous filing
14 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hruby Dennis E EVP & Chief Scientific Officer C/O SIGA TECHNOLOGIES, INC., 31 EAST 62ND STREET, NEW YORK /s/ Larry R. Miller, as Attorney-in-Fact 02 Jul 2025 0001301548

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SIGA Common Stock, par value $.0001 per share Options Exercise $0 +32,258 +19% $0.000000 201,514 01 Jul 2025 Direct
transaction SIGA Common Stock, par value $.0001 per share Tax liability $67,931 -10,467 -5.2% $6.49 191,047 01 Jul 2025 Direct F1

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

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SIGA Restricted Stock Units Options Exercise $0 -32,258 -100% $0.000000 0 01 Jul 2025 Common Stock, par value $.0001 per share 32,258 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $6.49 per share, the closing stock price on July 1, 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 May 11, 2023 and vested over two years, with the first 1/2 of such RSUs vesting on July 1, 2024 and the remaining 1/2 of such RSUs vesting on July 1, 2025.