0001415889-23-009949.txt : 20230616 0001415889-23-009949.hdr.sgml : 20230616 20230616164647 ACCESSION NUMBER: 0001415889-23-009949 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230614 FILED AS OF DATE: 20230616 DATE AS OF CHANGE: 20230616 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MITCHELL DEAN J CENTRAL INDEX KEY: 0001199297 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-17999 FILM NUMBER: 231021944 MAIL ADDRESS: STREET 1: C/O BRISTOL MYERS SQUIBB CO STREET 2: 345 PARK AVE CITY: NEW YORK STATE: NY ZIP: 10164 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ImmunoGen, Inc. CENTRAL INDEX KEY: 0000855654 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 042726691 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 830 WINTER ST CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: (781)895-0600 MAIL ADDRESS: STREET 1: 830 WINTER ST CITY: WALTHAM STATE: MA ZIP: 02451 FORMER COMPANY: FORMER CONFORMED NAME: IMMUNOGEN INC DATE OF NAME CHANGE: 19920703 4 1 form4-06162023_080641.xml X0407 4 2023-06-14 0000855654 ImmunoGen, Inc. IMGN 0001199297 MITCHELL DEAN J C/O IMMUNOGEN, INC. 830 WINTER STREET WALTHAM MA 02451 true false false false 0 Restricted Stock Unit 0 2023-06-14 4 A 0 13090 0 A Common Stock 13090 13090 D Stock Option (right to buy) 17.72 2023-06-14 4 A 0 19597 0 A 2033-06-14 Common Stock 19597 19597 D The restricted stock units ("RSUs") were issued pursuant to the Issuer's Compensation Policy for Non-Employee Directors, as amended, and the 2018 Employee, Director and Consultant Equity Incentive Plan, as amended. Each RSU represents the contingent right to receive, upon vesting of the RSU, one share of the Issuer's common stock. The restricted stock units vest on the one-year anniversary of the date of grant, contingent upon the individual remaining a director as of the vesting date. The stock options were issued pursuant to the Issuer's Compensation Policy for Non-Employee Directors, as amended, and the 2018 Employee, Director and Consultant Equity Incentive Plan, as amended. The stock options vest ratably on each of 9/1/23, 12/1/23, 3/1/24, and 6/1/24, contingent upon the individual remaining a director as of each vesting date. /s/ Renee Lentini, Attorney-in-Fact 2023-06-16