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Filing Detail
Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0001047469-18-004326
Filing Date
2018-06-07
Accepted
2018-06-07 16:31:14
Documents
4

Document Format Files

Seq Description Document Type Size
1 424B5 a2235960z424b5.htm 424B5 350736
2 G27181.JPG g27181.jpg GRAPHIC 11030
3 G541514.JPG g541514.jpg GRAPHIC 107772
4 G324281.JPG g324281.jpg GRAPHIC 16242
  Complete submission text file 0001047469-18-004326.txt   538073
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: 0630
Type: 424B5 | Act: 33 | File No.: 333-223507 | Film No.: 18886835
SIC: 2834 Pharmaceutical Preparations