Soligenix (SNGX) CEO awarded 200,000-share option grant vesting through 2035

Rhea-AI Filing Summary

Soligenix, Inc. reported that its Chairman, CEO and President Christopher J. Schaber received a stock option grant covering 200,000 shares of common stock on December 11, 2025, with an exercise price of $1.63 per share and an expiration date of December 10, 2035. The option vests 25% immediately, with the remaining 75% vesting in 12 equal installments on each three-month anniversary of December 11, 2025.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider SCHABER CHRISTOPHER J

Role CHAIRMAN, CEO AND PRESIDENT

Type	Security	Shares	Price	Value
Grant/Award	Option (Right to Buy)	200,000	$0.00	$0.00

Holdings After Transaction: Option (Right to Buy) — 200,000 shares (Direct)

Footnotes (1)

1. 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.

FAQ

What insider equity transaction did Soligenix (SNGX) disclose?

Soligenix disclosed that Christopher J. Schaber received a stock option grant for 200,000 shares of the company’s common stock.

What is the exercise price of the new Soligenix (SNGX) stock options?

The stock options granted to Christopher J. Schaber have an exercise price of $1.63 per share.

How do the Soligenix (SNGX) CEO’s new options vest?

The option vests 25% immediately, with the remaining 75% vesting in 12 equal installments on each three-month anniversary of December 11, 2025.

When do the newly granted Soligenix (SNGX) options expire?

The stock options granted on December 11, 2025 are scheduled to expire on December 10, 2035.

What is Christopher J. Schaber’s role at Soligenix (SNGX)?

Christopher J. Schaber serves as Chairman, CEO and President of Soligenix, Inc. and is also a director of the company.

How many derivative securities does the Soligenix (SNGX) CEO hold after this transaction?

Following this reported transaction, Christopher J. Schaber beneficially owns 200,000 derivative securities (stock options) directly.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 12/12/2025 - 04:16 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SCHABER CHRISTOPHER J

(Last) (First) (Middle)

C/O SOLIGENIX, INC.

29 EMMONS DRIVE, SUITE B-10

(Street)

PRINCETON NJ 08540

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SOLIGENIX, INC. [ SNGX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHAIRMAN, CEO AND PRESIDENT

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option (Right to Buy)(1)	$1.63	12/11/2025		A		200,000		12/11/2025	12/10/2035	Common Stock	200,000	$0	200,000	D

Explanation of Responses:

1. 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.

	/s/ Christopher J. Schaber	12/12/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.