SC 13D/A | SEC Filings Hub

Filing metadata

Accession number: 0000928475-11-000107
Form type: SC 13D
Filer: BIOGEN IDEC INC.
CIK: CIK 875045
Filed: May 23, 2011
Reporting period: May 20, 2011
Description: Activist stake

Documents

0000928475-11-000107-index.htm

Complete submission

0000928475-11-000107.txt

directory listing

Filed by

BIOGEN IDEC INC.