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Filing Detail
Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0001047469-20-000389
Filing Date
2020-01-22
Accepted
2020-01-22 16:07:39
Documents
3

Document Format Files

Seq Description Document Type Size
1 424B5 a2240555z424b5.htm 424B5 339872
2 G27181.JPG g27181.jpg GRAPHIC 11030
3 G324281.JPG g324281.jpg GRAPHIC 16242
  Complete submission text file 0001047469-20-000389.txt   378712
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: 424B5 | Act: 33 | File No.: 333-223507 | Film No.: 20539005
SIC: 2834 Pharmaceutical Preparations