SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

         Date of Report (Date of earliest event reported) June 13, 2001

                                   ENZON, INC.
             (Exact name of registrant as specified in its charter)

           Delaware                    0-12957                  22-2372868
(State or other jurisdiction of      (Commission              (IRS Employer
        incorporation)               File Number)             Identification)


                20 Kingsbridge Road, Piscataway, New Jersey 08854
               (Address of principal executive offices) (Zip Code)


       Registrant's telephone number, including area code: (732) 980-4500


                                       NA
          (Former name or former address, if changed since last report





Item 5.  Other Events

     Enzon,  Inc.  announced  today it  intends,  subject  to  market  and other
conditions,   to  make  a  private  offering  of  $400  million  of  Convertible
Subordinated Notes due 2008 with an option to issue an additional $60 million of
notes.

     At the option of the holder,  the notes will be convertible  into shares of
Enzon's Common Stock under certain circumstances at a price to be determined and
will be subordinated in right of payment to all senior indebtedness of Enzon.

     Enzon  intends  to use the  proceeds  of the  sale  for  general  corporate
purposes,  including  our internal  discovery and  development  programs and the
development of new  technologies,  general  working  capital and possible future
acquisitions.

     The securities  being offered have not been registered under the Securities
Act of 1933, as amended,  or applicable  state  securities  laws,  and unless so
registered,  may not be offered or sold in the United States, except pursuant to
an applicable exemption from the registration requirements of the Securities Act
of 1933, as amended, and applicable state securities laws.

     This shall not constitute an offer to sell or the  solicitation of an offer
to buy  any of  these  securities.  This  is  being  issued  pursuant  to and in
accordance with Rule 135c under the Securities Act of 1933, as amended.

     Except for the historical information herein, the matters discussed in this
Form 8-k include  forward-looking  statements that may involve a number of risks
and uncertainties.  Actual results may vary significantly based upon a number of
factors which are described in the Company's Form 10-K, Form 10-K/A,  Form 10-Qs
and Form  8-Ks on file  with the SEC,  including  without  limitation,  risks in
obtaining  and  maintaining  regulatory  approval for  indications  and expanded
indications, market acceptance of and continuing demand for Enzon's products and
the impact of competitive products and pricing.








                                   SIGNATURES

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

Dated:   June 14, 2001

                                                       ENZON, INC.
                                              -----------------------------
                                                      (Registrant)






                                          By:  /s/ KENNETH J. ZUERBLIS
                                              -----------------------------
                                              Kenneth J. Zuerblis
                                              Vice President, Finance and
                                                 Chief Financial Officer