CHRISTOPHER J. SCHABER - 11 Dec 2025 Form 4 Insider Report for SOLIGENIX, INC. (SNGX)

Signature
/s/ Christopher J. Schaber
Issuer symbol
SNGX
Transactions as of
11 Dec 2025
Transactions value $
$0
Form type
4
Filing time
12 Dec 2025, 16:16:14 UTC
Previous filing
03 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SCHABER CHRISTOPHER J CHAIRMAN, CEO AND PRESIDENT, Director C/O SOLIGENIX, INC., 29 EMMONS DRIVE, SUITE B-10, PRINCETON /s/ Christopher J. Schaber 12 Dec 2025 0001068029

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 SNGX Option (Right to Buy) Award $0 +200K $0.00 200K 11 Dec 2025 Common Stock 200K $1.63 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option vested immediately as to 25% of the shares and vests as to the remaining 75% of the shares in 12 equal installments (or nearly equal installments if the number of remaining shares is not evenly divisible by 12) on each three (3) month anniversary of December 11, 2025.