Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001558370-19-003567
Filing Date
2019-04-30
Accepted
2019-04-30 12:23:12
Documents
5
Effectiveness Date
2019-04-30

Document Format Files

Seq Description Document Type Size
1 DEFA14A defa14a.htm DEFA14A 41538
2 GRAPHIC defa14ag001.jpg GRAPHIC 34978
3 GRAPHIC defa14ag002.jpg GRAPHIC 64500
4 GRAPHIC defa14ag003.jpg GRAPHIC 20482
5 GRAPHIC defa14ag004.jpg GRAPHIC 9642
  Complete submission text file 0001558370-19-003567.txt   221460
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)

EIN.: 042726691 | State of Incorp.: MA | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-17999 | Film No.: 19779709
SIC: 2834 Pharmaceutical Preparations