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Filing
SC 13G
SC 13G
0000895345-09-000738
·
IMMUNOGEN INC
Filer
Filing index
Filing metadata
Accession number
0000895345-09-000738
Form type
SC 13G
Filer
IMMUNOGEN INC
CIK
CIK 855654
Filed
Jul 31, 2009
Reporting period
Jul 31, 2009
Description
Passive 5%+ stake
Documents
Filing index
0000895345-09-000738-index.htm
Complete submission
0000895345-09-000738.txt
All documents
directory listing
Filed by
IMMUNOGEN INC
CIK 855654
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