Edgar Filing: SIGMA TAU FINANZIARIA SPA

Ownership Submission

FORM 4

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

SIGMA TAU FINANZIARIA SPA

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

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

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

VIA SUDAFRICA, 20,

3. Date of Earliest Transaction (Month/Day/Year)
06/18/2010

(Street)

ROME, L6 00144

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

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

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	06/18/2010		P		8,608,580	A	$ 0.205	54,227,816	I ⁽¹⁾	Indirect ⁽¹⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Common Stock Warrant (right to buy)

$ 0.28

06/18/2010

J⁽²⁾

06/18/2010

06/18/2015⁽³⁾

Common Stock

5,165,148

$ 0

I ⁽²⁾

Indirect ⁽²⁾

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
SIGMA TAU FINANZIARIA SPA VIA SUDAFRICA, 20 ROME, L6 00144		X
SIGMA TAU INTERNATIONAL SA 19-21 BOULEVARD DU PRINCE HENRI L-1724, N4 00000		X
Sigma-Tau America S.A. 19-21 BOULVARD DU PRINCE HENRI L-1724, N4 00000		X
Sigma-Tau Pharmaceuticals, Inc. 9841 WASHINGTONIAN BLVD. SUITE 500 GAITHERSBURG, MD 20878		X

Signatures

/s/ Fabio Amabile, Attorney-in-fact		06/21/2010
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Shares directly owned by Sigma-Tau Pharmaceuticals, Inc. ("Pharmaceuticals"). Pharmaceuticals is a direct wholly-owned subsidiary of Sigma-Tau America S.A. ("America"). America is a direct wholly-owned subsidiary of Sigma-Tau International S.A. ("International"). International is a direct wholly-owned subsidiary of Sigma-Tau Finanziaria S.p.A.
(2)	This warrant was issued by the Issuer to Pharmaceuticals in consideration of Pharmaceuticals' purchase of 8,608,580 shares of common stock on June 18, 2010.
(3)	The expiration date of the warrant may be accelerated at the Issuer's option if the Issuers's common stock meets certain price thresholds and the common shares underlying the warrant are registered for resale pursuant to an effective registration statement or are freely transferable without volume restrictions pursuant to Rule 144 under the Securities Act of 1933, as amended.
Remarks: Exhibit List Exhibit 24.1 - Sigma-Tau Finanziaria S.p.A. Power of Attorney Exhibit 24.2 - Sigma-Tau International S.A. Power of Attorney Exhibit 24.3 - Sigma-Tau America S.A. Power of Attorney Exhibit 24.4 - Sigma-Tau Pharmaceuticals, Inc. Power of Attorney Exhibit 99 - Joint Filer Information

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