SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0000932471-13-004285
Form type: SC 13G
Filer: IMMUNOGEN INC
CIK: CIK 855654
Filed: Feb 13, 2013
Reporting period: —
Description: Passive 5%+ stake

Documents

0000932471-13-004285-index.htm

Complete submission

0000932471-13-004285.txt

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