Corporate Profile

ImmunoGen is a clinical-stage biotechnology company that develops targeted cancer therapeutics using its proprietary antibody-drug conjugate (ADC) technology. The Company’s lead product candidate, mirvetuximab soravtansine, is in a Phase 3 trial for FRα-positive platinum-resistant ovarian cancer, and is in a Phase 1b/2 trial in combination regimens for earlier-stage disease. ImmunoGen has three additional clinical-stage product candidates, two of which are being developed in collaboration with Jazz Pharmaceuticals.  ImmunoGen's ADC technology is also used in Roche's marketed product, Kadcyla®, and in programs in development by Amgen, Bayer, Biotest, CytomX, Debiopharm, Lilly, Novartis, Sanofi and Takeda. More information about the Company can be found at


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Shareholder Inquiries

Inquiries related to the Company may be directed to the Investor Relations department at our headquarters. Communications related to stock and transfer requirements, including lost stock certificates and change of name or address, should be directed to the Transfer Agent.

Corporate Headquarters

ImmunoGen, Inc.
830 Winter Street
Waltham, MA 02451-1477
Phone: (781) 895-0600


Corporate Counsel

Mintz, Levin, Cohn, Ferris,
Glovsky and Popeo, P.C.
Boston, MA

Transfer Agent and Registrar

Broadridge Corporate Issuer Solutions, Inc.
P.O. Box 1342
Brentwood, NY 11717
Phone: (877) 830-4936
Fax: (215) 553-5402


Independent Accountants

Ernst & Young LLP
Boston, MA