Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0001047469-08-007656
Filing Date
2008-06-24
Accepted
2008-06-23 18:12:19
Documents
2

Document Format Files

Seq Description Document Type Size
1 424B5 a2186532z424b5.htm 424B5 182047
2 G458904.JPG g458904.jpg GRAPHIC 4385
  Complete submission text file 0001047469-08-007656.txt   189558
Mailing Address 128 SIDNEY ST CAMBRIDGE MA 02139
Business Address 128 SIDNEY ST CAMBRIDGE MA 02139 6179952506
IMMUNOGEN INC (Filer) CIK: 0000855654 (see all company filings)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 0630
Type: 424B5 | Act: 33 | File No.: 333-144488 | Film No.: 08913056
SIC: 2834 Pharmaceutical Preparations