Steven A. Shallcross - 05 Jan 2026 Form 4 Insider Report for Theriva Biologics, Inc. (TOVX)

Signature
/s/ Steven A. Shallcross
Issuer symbol
TOVX
Transactions as of
05 Jan 2026
Net transactions value
$0
Form type
4
Filing time
06 Jan 2026, 16:55:21 UTC
Previous filing
01 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SHALLCROSS STEVEN A CEO and CFO, Director C/O THERIVA BIOLOGICS, INC., 9605, MEDICAL CENTER DRIVE, SUITE 270, ROCKVILLE /s/ Steven A. Shallcross 06 Jan 2026 0001263501

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 TOVX Stock Options (right to buy) Award $0 +475,000 $0.000000 475,000 05 Jan 2026 Common Stock 475,000 $0.2410 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These stock options vest pro rata on a monthly basis over 36 months.