|
Form
|
|
(Filer)
|
Received
(
Period
)
|
| SC 13G/A |
 |
ALEXION PHARMACEUTICALS INC (BLACKROCK INC.) |
02/09/10 |
| SC 13G/A |
|
ALEXION PHARMACEUTICALS INC(COLUMBIA WANGER ASSET MANAGEMENT LP) |
02/09/10 |
| 4 |
|
ALEXION PHARMACEUTICALS INC(SQUINTO STEPHEN P) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(HALLAL DAVID) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(DUBIN THOMAS I H) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(SINHA VIKAS) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(COISSAC PATRICE) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(BELL LEONARD) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(KELLER WILLIAM R) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(WAEGER RUEDI E) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(MATHIS LARRY) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(NORBY R DOUGLAS) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(MADRI JOSEPH A) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(PARVEN ALVIN S) |
02/01/10 (01/28/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(LINK MAX) |
02/01/10 (01/28/10) |
| SC 13G |
|
ALEXION PHARMACEUTICALS INC(BLACKROCK INC.) |
01/29/10 |
| 8-K |
|
ALEXION PHARMACEUTICALS INC |
01/28/10 (01/22/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(LINK MAX) |
01/21/10 (01/19/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(HALLAL DAVID) |
01/21/10 (01/19/10) |
| 4 |
|
ALEXION PHARMACEUTICALS INC(SINHA VIKAS) |
01/21/10 (01/19/10) |