FORM 5 (CONTINUED)
U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
ANNUAL STATEMENT OF CHANGES IN
BENEFICIAL OWNERSHIP
Check this box if no longer
subject to Section 16. Form 4 Filed pursuant to Section 16(a) of the
or Form 5 obligations Securities Act of 1934, Section 17(a) of the
may continue Public Utility Holding Company Act of 1935 or
Section 30(f) of the Investment Company Act of 1940
SEE Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
1. Name and Address of Reporting Person 2. Issuer Name and Ticker or Trading Symbol 6. Relationship of Reporting Person to
Issuer
ENZON, INC. (ENZN) (Check all applicable)
MACKINNON, A.M. "DON"
X Director ______ 10% Owner
(Last) (First) (Middle) 3. IRS or Social 4. Statement for Officer ______ Other
Security Number of Month/Year (give title below)
31 OLD FARM ROAD Reporting Person JUNE 30, 1995 (specify below)
(Voluntary)
(Street) 5. If Amendment,
Date of Original
(Month/Year)
DARIEN CT
06820
(City) (State) (Zip)
TABLE I - NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
0.0.1 Title of Security 0.0.2 0.0.3 0.0.4Securities 0.0.5Amount of 0.0.6Owner- 0.0.7Nature
(Instr. 3) Trans- Trans- Acquired (A) or Securities ship of
action action Disposed of (D) Beneficially Form: Indirect
Date Code (Instr. 3, 4 and 5) Owned at End (D) or Beneficial
(Month/ (Instr. of Issuer's Indirect Ownership
Day/ 8) Fiscal Year (I) (Instr.
Year) (Instr. 3 (Instr.4) 4.)
and 4)
Amount (A) or Price
(D)
Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
(Over)
FORM 5 (CONTINUED)
TABLE II - DERIVATIVE SECURITIES ACQUIRED,
DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., puts, calls, warrants,
options, convertible securities)
1. Title of Derivative 2.Conver3.Trans-4.Transac-5.Number of6.Date 7.Title and Amount of 8.Price9.Number10. 11. Na-
Security sion action tion Deriv- ExercisableUnderlying Securities of of Owner- ture
(Instru. 3) or Date Code ative and (Instr. 3 and 4) Deriv-Deriv- ship of In-
Exercise(Month/Day/(Instr.SecuritiesExpiration ative ative of De- direct
Price Year)8) Ac Date Secur-Secur- Bene-
of quired (A) (Month/Day/ ity ities rivative ficial
Deriv- or Disposed Year) (Instr.Bene- Own-
ative of (D) 5) ficially Security: ership
Security (Instr. 3, Owned (D) (Instr. 4)
4, and 5) at or In-
End of Direct
Year
(Instr. (I)(Instr.
4) 4)
(A) (D) Date Expira- Title Amount
Exer- tion or
cisableDate Number
of
Shares
STOCK OPTION (RIGHT TO $2.06 2/21/94 A 20,000 8/21/95 2/21/04 Common Stock 20,000 $2.06 20,000 D --
PURCHASE)+
Explanation of Responses:
+ Granted under the Company's Non-Qualified Stock Option Plan, as amended,
a Rule 16b-3 plan.
** Intentional misstatements or omissions of facts constitute Federal Criminal
Violations .
/S/A.M. "DON" MACKINNON 2/28/96
SEE 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). **Signature of Reporting Person Date
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient, SEE Instruction 6 for procedure.