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Contact Us

Corporate Headquarters

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

Medical Affairs

To contact Medical Affairs or Medical Information, please call 1-833-486-4646 or + 1 (781) 739-3081

To report an Adverse Event or Product Complaint, please call 1-833-486-4646

Human Resources

  • Learn more about job opportunities with ImmunoGen by visiting the Careers section of our website.

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.

Transfer Agent and Registrar

  • Broadridge Corporate Issuer Solutions, Inc.
  • P.O. Box 1342
  • Brentwood, NY 11717
  • Phone: 855-697-4961
  • Fax: 215-553-5402
  • E-mail:

Corporate Counsel

Ropes & Gray LLP, Boston, MA