UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 15
CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION
UNDER SECTION 12(g)
OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS
UNDER SECTIONS 13 AND 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Commission File Number: 000-17999
ImmunoGen, Inc.
(Exact name of registrant as specified in its charter)
c/o AbbVie, Inc.
1 North Waukegan Road
North Chicago, Illinois 60064
(847) 932-7900
(Address, including zip code, and telephone number, including area code, of registrant’s principal
executive offices)
Common Stock, par value $0.01 per share
(Title of each class of securities covered by this Form)
None
(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)
Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:
| Rule 12g-4(a)(1) | x | |
| Rule 12g-4(a)(2) | ¨ | |
| Rule 12h-3(b)(1)(i) | x | |
| Rule 12h-3(b)(1)(ii) | ¨ | |
| Rule 15d-6 | ¨ | |
| Rule 15d-22(b) | ¨ |
Approximate number of holders of record as of the certification or notice date:
Common Stock, par value $0.01 per share: 1
Pursuant to the requirements of the Securities Exchange Act of 1934, ImmunoGen, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.
| Date: February 22, 2024 | ImmunoGen, Inc. | |
| By: | /s/ Emily Weith | |
| Name: | Emily Weith | |
| Title: | Secretary | |