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Filing Detail
Form S-8 - Securities to be offered to employees in employee benefit plans:
SEC Accession No. 0001104659-23-053153
Filing Date
2023-04-28
Accepted
2023-04-28 17:10:26
Documents
5
Effectiveness Date
2023-04-28

Document Format Files

Seq Description Document Type Size
1 FORM S-8 tm2313857d1_s8.htm S-8 48482
2 EXHIBIT 5.1 tm2313857d1_ex5-1.htm EX-5.1 5821
3 EXHIBIT 23.1 tm2313857d1_23-1.htm EX-23.1 2196
4 EX-FILING FEES tm2313857d1_ex-filingfees.htm EX-FILING FEES 9999
5 GRAPHIC tm2313857d1_ex5-1img001.jpg GRAPHIC 8240
  Complete submission text file 0001104659-23-053153.txt   79050
Mailing Address 830 WINTER ST WALTHAM MA 02451
Business Address 830 WINTER ST WALTHAM MA 02451 (781)895-0600
ImmunoGen, Inc. (Filer) CIK: 0000855654 (see all company filings)

IRS No.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: S-8 | Act: 33 | File No.: 333-271523 | Film No.: 23868198
SIC: 2834 Pharmaceutical Preparations