SC 13D/A | SEC Filings Hub

Filing metadata

Accession number: 0000950123-11-100797
Form type: SC 13D
Filer: MPM BioVentures IV QP LP
CIK: CIK 1358309
Filed: Nov 29, 2011
Reporting period: Nov 21, 2011
Description: Activist stake

Documents

0000950123-11-100797-index.htm

Complete submission

0000950123-11-100797.txt

directory listing

Filed by

MPM BioVentures IV QP LP