[Form 4] SOLIGENIX, INC. Insider Trading Activity

Rhea-AI Filing Summary

Christopher J. Schaber, who serves as Chairman, CEO and President of Soligenix, Inc. (SNGX), reported an insider purchase on 10/02/2025. The filing shows he acquired 15,132 shares of the company’s common stock at a weighted-average price of $1.3217 per share; the report notes trades executed at prices ranging from $1.32 to $1.325. After the transaction, the filing reports he beneficially owned 15,511 shares (direct). The Form 4 was signed on 10/03/2025 and includes an undertaking to provide trade-level details on request.

Insights

Corporate Insider / Governance Expert

Insider purchase by the company’s CEO confirms direct buying of stock.

This Form 4 documents a 10/02/2025 purchase of 15,132 shares by Christopher J. Schaber, the company’s Chairman, CEO and President, at a weighted-average price of $1.3217. Insider purchases by senior executives are a clear disclosure event and may signal confidence in the issuer from management.

The filing reports 15,511 shares beneficially owned following the transaction and is signed 10/03/2025.

Securities Compliance Expert

Form 4 properly discloses the transaction and offers trade-level details on request.

The report uses transaction code P for purchase and provides a weighted-average price with an explanatory note stating trades occurred between $1.32 and $1.325. The signer undertakes to provide full trade information to the SEC on request, aligning with disclosure obligations under Section 16.

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).

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)
10/02/2025

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
Common Stock	10/02/2025		P		15,132	A	$1.3217(1)	15,511	D

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

Explanation of Responses:

1. This transaction was executed in multiple trades at prices ranging from $1.32 to $1.325. The price reported above reflects the weighted-average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was affected.

	/s/ Christopher J. Schaber	10/03/2025
	** 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.

FAQ

What did Soligenix (SNGX) CEO Christopher Schaber report on Form 4?

He reported purchasing 15,132 shares of Soligenix common stock on 10/02/2025 at a weighted-average price of $1.3217 per share.

How many shares did Christopher Schaber beneficially own after the transaction?

The Form 4 reports he beneficially owned 15,511 shares following the reported transaction.

What price range did the insider trades occur at?

The filing states the trades were executed at prices ranging from $1.32 to $1.325, with a weighted-average of $1.3217.

When was the Form 4 signed?

The Form 4 bears the signature of Christopher J. Schaber dated 10/03/2025.

Does the filing offer additional transaction detail on request?

Yes; the reporting person undertakes to provide full information about the number of shares and prices at which the transaction was effected upon request to the SEC staff, issuer, or a security holder.