02/14/2019
12:48 PM | Alexion Pharmaceuticals (Subject)
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by)
| Form SC 13G/A
|  |
02/12/2019
11:10 AM | Alexion Pharmaceuticals (Subject)
STATE STREET CORP (Filed by)
| Form SC 13G/A
| |
02/11/2019
5:39 PM | Alexion Pharmaceuticals (Issuer)
HANTSON LUDWIG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/11/2019
5:21 PM | Alexion Pharmaceuticals (Issuer)
Clancy Paul J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/11/2019
5:20 PM | Alexion Pharmaceuticals (Issuer)
Goff Brian (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/11/2019
5:18 PM | Alexion Pharmaceuticals (Issuer)
Franchini Indrani Lall (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/11/2019
9:30 AM | Alexion Pharmaceuticals (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A
| |
02/06/2019
8:03 AM | Alexion Pharmaceuticals (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/04/2019
9:09 AM | Alexion Pharmaceuticals (Subject)
BlackRock Inc. (Filed by)
| Form SC 13G/A
| |
02/04/2019
5:37 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/03/2019
5:07 PM | Alexion Pharmaceuticals (Issuer)
HANTSON LUDWIG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/21/2018
10:29 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/17/2018
11:00 AM | Alexion Pharmaceuticals (Filer)
| Form CT ORDER
| |
11/30/2018
5:15 PM | Alexion Pharmaceuticals (Issuer)
Franchini Indrani Lall (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
5:10 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/13/2018
9:38 AM | Alexion Pharmaceuticals (Subject)
FMR LLC (Filed by)
| Form SC 13G/A
| |
10/24/2018
3:27 PM | Alexion Pharmaceuticals (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
10/24/2018
5:46 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/01/2018
4:26 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/14/2018
4:20 PM | Alexion Pharmaceuticals (Filer)
| Form S-3ASR
| |
07/26/2018
3:40 PM | Alexion Pharmaceuticals (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
07/26/2018
5:55 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/12/2018
4:23 PM | Alexion Pharmaceuticals (Issuer)
Clancy Paul J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/13/2018
5:03 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/12/2018
3:52 PM | Alexion Pharmaceuticals (Issuer)
Franchini Indrani Lall (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2018
3:51 PM | Alexion Pharmaceuticals (Issuer)
LAW ANNE-MARIE (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2018
3:51 PM | Alexion Pharmaceuticals (Issuer)
Goff Brian (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/12/2018
3:51 PM | Alexion Pharmaceuticals (Issuer)
ORLOFF JOHN J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/11/2018
9:19 AM | Alexion Pharmaceuticals (Subject)
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by)
| Form SC 13G/A
| |
05/11/2018
3:44 PM | 667, L.P. (Reporting)
Alexion Pharmaceuticals (Issuer)
Baker Bros. Advisors LLC (0001580575) (Reporting)
BAKER BROS. ADVISORS LP (Reporting)
Baker Brothers Life Sciences LP (Reporting)
BAKER FELIX (Reporting)
BAKER JULIAN (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:16 PM | Alexion Pharmaceuticals (Issuer)
Brennan David R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:15 PM | Alexion Pharmaceuticals (Issuer)
Reinsdorf Judith A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:14 PM | Alexion Pharmaceuticals (Issuer)
COUGHLIN CHRISTOPHER J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:13 PM | Alexion Pharmaceuticals (Issuer)
Dunsire Deborah (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:12 PM | Alexion Pharmaceuticals (Issuer)
Rummelt Andreas (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:12 PM | Alexion Pharmaceuticals (Issuer)
Nader Francois (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:11 PM | Alexion Pharmaceuticals (Issuer)
Mollen John T (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:10 PM | Alexion Pharmaceuticals (Issuer)
FRIEDMAN PAUL A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/11/2018
3:09 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/02/2018
4:42 PM | Alexion Pharmaceuticals (Issuer)
COUGHLIN CHRISTOPHER J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/26/2018
3:05 PM | Alexion Pharmaceuticals (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
04/26/2018
8:15 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/11/2018
3:27 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/28/2018
4:24 PM | Alexion Pharmaceuticals (Filer)
| Form DEFA14A
| |
03/28/2018
4:23 PM | Alexion Pharmaceuticals (Filer)
| Form DEF 14A
| |
03/02/2018
4:02 PM | Alexion Pharmaceuticals (Issuer)
Clancy Paul J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
4:02 PM | Alexion Pharmaceuticals (Issuer)
LAW ANNE-MARIE (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
4:01 PM | Alexion Pharmaceuticals (Issuer)
Chiniara Ellen (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
4:01 PM | Alexion Pharmaceuticals (Issuer)
HANTSON LUDWIG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
4:01 PM | Alexion Pharmaceuticals (Issuer)
Franchini Indrani Lall (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
4:00 PM | Alexion Pharmaceuticals (Issuer)
ORLOFF JOHN J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
4:00 PM | Alexion Pharmaceuticals (Issuer)
Goff Brian (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/02/2018
3:59 PM | Alexion Pharmaceuticals (Issuer)
O'Neill Julie (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/01/2018
4:25 PM | Alexion Pharmaceuticals (Issuer)
O'Neill Julie (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/01/2018
4:25 PM | Alexion Pharmaceuticals (Issuer)
Wagner Heidi L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/22/2018
3:55 PM | Alexion Pharmaceuticals (Issuer)
Chiniara Ellen (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/14/2018
12:58 PM | Alexion Pharmaceuticals (Subject)
PRICE T ROWE ASSOCIATES INC /MD/ (Filed by)
| Form SC 13G/A
| |
02/13/2018
12:11 PM | Alexion Pharmaceuticals (Subject)
STATE STREET CORP (Filed by)
| Form SC 13G
| |
02/13/2018
8:33 AM | Alexion Pharmaceuticals (Subject)
FMR LLC (Filed by)
| Form SC 13G/A
| |
02/12/2018
8:07 AM | Alexion Pharmaceuticals (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A
| |
02/08/2018
6:17 PM | Alexion Pharmaceuticals (Issuer)
Goff Brian (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:17 PM | Alexion Pharmaceuticals (Issuer)
Wagner Heidi L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:17 PM | Alexion Pharmaceuticals (Issuer)
Clancy Paul J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:16 PM | Alexion Pharmaceuticals (Issuer)
Franchini Indrani Lall (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:16 PM | Alexion Pharmaceuticals (Issuer)
O'Neill Julie (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:16 PM | Alexion Pharmaceuticals (Issuer)
Moriarty John B (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:16 PM | Alexion Pharmaceuticals (Issuer)
HANTSON LUDWIG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:15 PM | Alexion Pharmaceuticals (Issuer)
Reinsdorf Judith A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:15 PM | Alexion Pharmaceuticals (Issuer)
Dunsire Deborah (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2018
6:15 PM | Alexion Pharmaceuticals (Issuer)
Reinsdorf Judith A (Reporting)
| Form 3/A
| |
02/08/2018
3:26 PM | Alexion Pharmaceuticals (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/08/2018
3:16 PM | Alexion Pharmaceuticals (Issuer)
Reinsdorf Judith A (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
02/08/2018
8:19 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/01/2018
4:30 PM | Alexion Pharmaceuticals (Issuer)
Dunsire Deborah (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
01/29/2018
3:38 PM | Alexion Pharmaceuticals (Subject)
BlackRock Inc. (Filed by)
| Form SC 13G/A
| |
01/22/2018
3:50 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/04/2018
5:33 PM | Alexion Pharmaceuticals (Issuer)
HANTSON LUDWIG (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/05/2017
5:05 PM | Alexion Pharmaceuticals (Issuer)
COUGHLIN CHRISTOPHER J (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/30/2017
3:12 PM | Alexion Pharmaceuticals (Issuer)
FRIEDMAN PAUL A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/30/2017
3:12 PM | Alexion Pharmaceuticals (Issuer)
Nader Francois (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
