| Filed On | Filing |
|---|---|
| 05 May 2017 | S-3/A |
| 23 Mar 2001 | S-3/A |
| 15 Nov 2000 | S-3/A |
| 27 Oct 2000 | S-3/A |
| 07 Dec 1998 | IMMUNOGEN, INC. |
| 16 Oct 1998 | IMMUNOGEN, INC. |
| 21 Aug 1998 | IMMUNOGEN, INC. |
| 16 Jun 1998 | IMMUNOGEN, INC. |
| 09 Apr 1997 | IMMUNOGEN, INC. |
| 08 May 1996 | IMMUNOGEN, INC. AMENDMENT NO.1 TO FORM S-3 |
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