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Filing metadata

Accession number: 0001231977-12-000050
Form type: Form 4
Filer: ALEXION PHARMACEUTICALS INC
CIK: CIK 899866
Filed: May 11, 2012
Reporting period: May 09, 2012
Description: Insider transaction

Documents

0001231977-12-000050-index.htm

Complete submission

0001231977-12-000050.txt

directory listing

Filed by

ALEXION PHARMACEUTICALS INC