0001231977-12-000047.txt : 20120509 0001231977-12-000047.hdr.sgml : 20120509 20120509163218 ACCESSION NUMBER: 0001231977-12-000047 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120508 FILED AS OF DATE: 20120509 DATE AS OF CHANGE: 20120509 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: KELLER WILLIAM R CENTRAL INDEX KEY: 0001477929 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-27756 FILM NUMBER: 12826194 MAIL ADDRESS: STREET 1: C/O ALEXION PHARMACEUTICALS, INC. STREET 2: 352 KNOTTER DRIVE CITY: CHESHIRE STATE: CT ZIP: 06410 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ALEXION PHARMACEUTICALS INC CENTRAL INDEX KEY: 0000899866 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 133648318 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 352 KNOTTER DRIVE CITY: CHESHIRE STATE: CT ZIP: 06511 BUSINESS PHONE: 2037761790 MAIL ADDRESS: STREET 1: 352 KNOTTER DRIVE CITY: CHESHIRE STATE: CT ZIP: 06511 4 1 primary_doc.xml PRIMARY DOCUMENT X0305 4 2012-05-08 0 0000899866 ALEXION PHARMACEUTICALS INC ALXN 0001477929 KELLER WILLIAM R C/O ALEXION PHARMACEUTICALS, INC. 352 KNOTTER DRIVE CHESHIRE CT 06410 1 0 0 0 Option to Purchase Common Stock 85.75 2012-05-08 4 A 0 3237 0 A 2012-08-08 2022-05-08 Common Stock, par value $.0001 per share 3237 3237 D These options will vest in four quarterly installments during the one year period commencing on May 8, 2012 and ending on May 8, 2013. /s/ William Keller 2012-05-09