SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0000053417-13-000010
Form type: SC 13G
Filer: ALEXION PHARMACEUTICALS INC
CIK: CIK 899866
Filed: Feb 11, 2013
Reporting period: Dec 31, 2012
Description: Passive 5%+ stake

Documents

0000053417-13-000010-index.htm

Complete submission

0000053417-13-000010.txt

directory listing

Filed by

ALEXION PHARMACEUTICALS INC