UNITED STATES

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): February 7, 2005

 

ImmunoGen, Inc.

(Exact name of registrant as specified in its charter)

 

Massachusetts

 

0-17999

 

04-2726691

(State or other
jurisdiction of
incorporation)

 

(Commission
File Number)

 

(IRS Employer
Identification No.)

 

 

 

 

 

128 Sidney Street, Cambridge, MA 02139

(Address of principal executive offices)  (Zip Code)

 

 

 

 

 

Registrant’s telephone number, including area code: (617) 995-2500

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

o  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

o  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

o  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

o  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 



 

ITEM 8.01 – OTHER EVENTS

 

On February 9, 2005, ImmunoGen, Inc. issued a press release to announce that Boehringer Ingelheim – one of ImmunoGen’s collaborative partners – has decided to discontinue its development of bivatuzumab mertansine. Bivatuzumab mertansine consists of the Boehringer Ingelheim anti-CD44v6 antibody, bivatuzumab, and ImmunoGen’s DM1 cytotoxic agent, mertansine. Boehringer Ingelheim is retaining its right to use ImmunoGen’s DM1 Tumor-Activated Prodrug (TAP) technology for a different antigen target. A copy of the press release is attached to this current report on Form 8-K as Exhibit 99.1.

 

The information shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such a filing.

 

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS

 

Exhibit No.

 

Exhibit

 

 

 

99.1

 

Press Release of ImmunoGen, Inc. dated February 9, 2005

 

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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.

 

 

 

ImmunoGen, Inc.

 

(Registrant)

 

 

Date: February 9, 2005

/s/ Karleen M. Oberton

 

 

 

 

Karleen M. Oberton

 

Senior Corporate Controller

 

(Principal Accounting and Financial Officer)

 

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