$ 424B3 SEC Filings

Filed On	Filing
06 Aug 2008	424B3
27 May 2004	424B3
18 May 2004	424B3
22 Jan 2003	424B3
29 Feb 2000	IMMUNOGEN, INC.
26 Oct 1999	PROSPECTUS SUPPLEMENT NO.2 DATED OCTOBER 26, 1999
20 May 1999	PROSPECTUS SUPPLEMENT
30 May 1997	IMMUNOGEN, INC.
30 May 1997	IMMUNOGEN, INC.
03 Mar 1997	IMMUNOGEN, INC. PROS SUPPLEMENT #2 DATED 2/21/97
03 Mar 1997	IMMUNOGEN, INC. PROS SUPPLEMENT #1 DATED 2/21/97
24 Jul 1996	IMMUNOGEN, INC. PROS SUPPLEMENT #1 DATED 7/12/96
12 Jul 1996	IMMUNOGEN, INC.