SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000932471-14-003625
Form type: SC 13G
Filer: IMMUNOGEN INC
CIK: CIK 855654
Filed: Feb 11, 2014
Reporting period: —
Description: Passive 5%+ stake

Documents

0000932471-14-003625-index.htm

Complete submission

0000932471-14-003625.txt

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