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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001558370-17-003049
Filing Date
2017-04-28
Accepted
2017-04-28 09:38:33
Documents
5
Effectiveness Date
2017-04-28

Document Format Files

Seq Description Document Type Size
1 DEFA14A defa14a.htm DEFA14A 39697
2 GRAPHIC defa14ag001.gif GRAPHIC 38819
3 GRAPHIC defa14ag002.gif GRAPHIC 63973
4 GRAPHIC defa14ag003.gif GRAPHIC 29395
5 GRAPHIC defa14ag004.gif GRAPHIC 3287
  Complete submission text file 0001558370-17-003049.txt   227661
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: DEFA14A | Act: 34 | File No.: 000-17999 | Film No.: 17791978
SIC: 2834 Pharmaceutical Preparations