-------------------------- OMB APPROVAL - -------------------------- -------------------------- OMB Number: 3235-0287 Form 4 -------------------------- Expires: January 31, 2005 - -------------------------- -------------------------- Estimated average burden hours per response...0.5 -------------------------- 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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940 / / Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). (Print or Type Responses) 1. Name and Address of Reporting Person* Classon Rolf A. (Last) (First) (Middle) c/o Enzon Pharmaceuticals, Inc. 685 Route 202/206 (Street) Bridgewater New Jersey 08807 (City) (State) (Zip) 2. Issuer Name and Ticker or Trading Symbol ENZON PHARMACEUTICALS, INC. (ENZN) 3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary) 4. Statement for Month/Year March 31, 2003 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) /X/ Director / / 10% Owner / / Officer (give title below) / / Other (specify below) 7. Individual or Joint/Group Reporting (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 5. Amount of Secu- rities Bene- ficially 2A. Deemed 4. Securities Acquired (A) Owned 2. Trans- Execution 3. Trans- or Disposed of (D) Following action Date, action (Instr. 3, 4 and 5) Reported Date if any Code ----------------------------- Trans- (Month/ (Month/ (Instr. 8) (A) action(s) 1. Title of Security Day/ Day/ ------------- Amount or Price (Instr. (Instr. 3) Year) Year) Code V (D) 3 and 4) - ----------------------------- ---------- ------------ ------ ----- ------------ --- ---------- ----------- Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 6. Ownership Form: Direct 7. Nature of (D) or Indirect Indirect Beneficial 1. Title of Security (I) Ownership (Instr. 3) (Instr. 4) (Instr. 4) - ----------------------------- ------------- -------------- Explanation of Responses: (1) Securities granted by Enzon Pharmaceuticals, Inc. pursuant to Enzon's 2001 Incentive Stock Plan as compensation for service as an Independent Director during the quarter ended March 31, 2003 and qualified under Rule 16b-3(d). The value of the compensation was $5,500. In the spring of 2004, each Common Stock right will be exchanged for one share of Common Stock; provided, however, Mr. Classon will be entitled to elect to receive cash for up to 50% of these rights, with the price per right being $11.35, the fair market value of Enzon's common stock on March 31, 2003. /s/ Kenneth J. Zuerblis 4/02/03 - --------------------------------------- -------------------------- **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.
Table II--Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 3A. Deemed 2. Conver- Execu- 5. Number of Deriv- sion or 3. Trans- tion ative Securities Exercise action Date, 4. Transac- Acquired (A) or Price of Date if any tion Code Disposed of (D) Deriv- (Month/ (Month/ (Instr. 8) (Instr. 3, 4, and 5) 1. Title of Derivative Security ative Day/ Day/ ------------- -------------------------- (Instr. 3) Security Year) Year) Code V (A) (D) - ---------------------------------------- ----------- ---------- ------------ ------ ----- ------------ ------------ Common Stock Right(1) 1 -for- 1 3/31/03 A 485 9. Number of Derivative Securities 6. Date Exercisable Benefi- and Expiration Date 7. Title and Amount of Underlying cially (Month/Day/Year) Securities (Instr. 3 and 4) Owned ---------------------- ---------------------------------------- 8. Price of Following Date Amount or Derivative Reported 1. Title of Derivative Exercis- Expiration Title Number of Security Transaction(s) Security (Instr. 3) able Date Shares (Instr. 5) (Instr. 4) - --------------------------- ---------- ---------- --------------------------- ----------- ------------- ----------------- Common Stock Right(1) See See Common Stock 485 485 Footnote (1) Footnote (1) 10. Ownership Form of Derivative Securities: 11. Nature of Direct (D) Indirect or Indirect Beneficial 1. Title of Derivative (I) Ownership Security (Instr. 3) (Instr. 4) (Instr. 4) - --------------------------- -------------- --------------- Common Stock Right(1) D