01/14/2021 4:11 PM | Alexion Pharmaceuticals (Subject)
| Form 425
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01/12/2021 6:17 AM | Alexion Pharmaceuticals (Subject)
| Form 425
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01/12/2021 6:14 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
12/18/2020 4:12 PM | Alexion Pharmaceuticals (Issuer) HANTSON LUDWIG (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/18/2020 4:10 PM | Alexion Pharmaceuticals (Issuer) Bazarko Daniel (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/18/2020 4:09 PM | Alexion Pharmaceuticals (Issuer) Goff Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/18/2020 4:08 PM | Alexion Pharmaceuticals (Issuer) Franchini Indrani Lall (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/18/2020 4:07 PM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/18/2020 4:06 PM | Alexion Pharmaceuticals (Issuer) ORLOFF JOHN J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/18/2020 1:32 PM | Alexion Pharmaceuticals (Subject) ASTRAZENECA PLC (Filed by)
| Form 425
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12/17/2020 4:07 PM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/17/2020 4:05 PM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/17/2020 10:35 AM | Alexion Pharmaceuticals (Subject) ASTRAZENECA PLC (Filed by)
| Form 425
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12/15/2020 2:55 PM | Alexion Pharmaceuticals (Subject) ASTRAZENECA PLC (Filed by)
| Form 425
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12/14/2020 4:14 PM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/14/2020 3:58 PM | Alexion Pharmaceuticals (Subject) ASTRAZENECA PLC (Filed by)
| Form 425
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12/14/2020 3:57 PM | Alexion Pharmaceuticals (Subject) ASTRAZENECA PLC (Filed by)
| Form 425
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12/14/2020 2:55 PM | Alexion Pharmaceuticals (Subject) ASTRAZENECA PLC (Filed by)
| Form 425
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12/14/2020 8:23 AM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/14/2020 8:21 AM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/14/2020 8:19 AM | Alexion Pharmaceuticals (Subject)
| Form 425
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12/14/2020 8:05 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
12/04/2020 3:47 PM | Alexion Pharmaceuticals (Issuer) Carino Tanisha (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/01/2020 4:17 PM | Alexion Pharmaceuticals (Issuer) SARIN ARADHANA (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
10/29/2020 6:13 AM | Alexion Pharmaceuticals (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
10/29/2020 5:49 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/01/2020 4:02 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
08/25/2020 7:22 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/30/2020 6:38 AM | Alexion Pharmaceuticals (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
07/30/2020 6:06 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/28/2020 5:11 PM | Alexion Pharmaceuticals (Reporting) Inozyme Pharma, Inc. (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/23/2020 8:34 PM | Alexion Pharmaceuticals (Reporting) Inozyme Pharma, Inc. (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
07/02/2020 7:53 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/02/2020 5:03 AM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T/A
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06/25/2020 8:27 AM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T/A
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06/24/2020 4:01 PM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T/A
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06/15/2020 7:30 AM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T/A
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06/09/2020 4:05 PM | Alexion Pharmaceuticals (Issuer) Franchini Indrani Lall (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/09/2020 4:01 PM | Alexion Pharmaceuticals (Issuer) LAW ANNE-MARIE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/09/2020 3:59 PM | Alexion Pharmaceuticals (Issuer) ORLOFF JOHN J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/09/2020 3:58 PM | Alexion Pharmaceuticals (Issuer) Goff Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/05/2020 4:23 PM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T/A
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06/03/2020 4:23 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K/A
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06/01/2020 3:35 PM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T/A
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05/27/2020 7:01 AM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-T
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05/19/2020 3:56 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/18/2020 5:57 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 | |
05/18/2020 4:22 PM | Alexion Pharmaceuticals (Issuer) Brennan David R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:20 PM | Alexion Pharmaceuticals (Issuer) Rummelt Andreas (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:18 PM | Alexion Pharmaceuticals (Issuer) Mollen John T (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:17 PM | Alexion Pharmaceuticals (Issuer) Reinsdorf Judith A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:15 PM | Alexion Pharmaceuticals (Issuer) COUGHLIN CHRISTOPHER J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:14 PM | Alexion Pharmaceuticals (Issuer) Nader Francois (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:12 PM | Alexion Pharmaceuticals (Issuer) FRIEDMAN PAUL A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/18/2020 4:10 PM | Alexion Pharmaceuticals (Issuer) Dunsire Deborah (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/07/2020 3:31 PM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-C
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05/06/2020 6:23 AM | Alexion Pharmaceuticals (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/06/2020 5:54 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/05/2020 8:30 PM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-C
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05/05/2020 4:05 PM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-C
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05/05/2020 6:19 AM | Alexion Pharmaceuticals (Filed by) PORTOLA PHARMACEUTICALS INC (Subject)
| Form SC TO-C
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05/05/2020 6:17 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/09/2020 4:26 PM | Alexion Pharmaceuticals (Filer)
| Form DEFA14A
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04/06/2020 12:25 PM | Alexion Pharmaceuticals (Filer)
| Form CT ORDER
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03/31/2020 4:04 PM | Alexion Pharmaceuticals (Issuer) HANTSON LUDWIG (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/18/2020 5:46 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 | |
03/18/2020 5:45 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 | |
03/03/2020 5:31 PM | Alexion Pharmaceuticals (Issuer) Chiniara Ellen (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:30 PM | Alexion Pharmaceuticals (Issuer) HANTSON LUDWIG (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:28 PM | Alexion Pharmaceuticals (Issuer) Bazarko Daniel (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:26 PM | Alexion Pharmaceuticals (Issuer) ORLOFF JOHN J (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:23 PM | Alexion Pharmaceuticals (Issuer) Carino Tanisha (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:21 PM | Alexion Pharmaceuticals (Issuer) LAW ANNE-MARIE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:20 PM | Alexion Pharmaceuticals (Issuer) SARIN ARADHANA (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:18 PM | Alexion Pharmaceuticals (Issuer) Goff Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/03/2020 5:16 PM | Alexion Pharmaceuticals (Issuer) Franchini Indrani Lall (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
03/02/2020 9:53 AM | Alexion Pharmaceuticals (Issuer) Bazarko Daniel (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/13/2020 9:36 AM | Alexion Pharmaceuticals (Subject) STATE STREET CORP (Filed by)
| Form SC 13G
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02/12/2020 10:01 AM | Alexion Pharmaceuticals (Subject) VANGUARD GROUP INC (Filed by)
| Form SC 13G/A
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02/10/2020 4:00 PM | Alexion Pharmaceuticals (Issuer) HANTSON LUDWIG (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2020 3:58 PM | Alexion Pharmaceuticals (Issuer) Goff Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2020 3:57 PM | Alexion Pharmaceuticals (Issuer) Franchini Indrani Lall (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2020 3:56 PM | Alexion Pharmaceuticals (Issuer) Bazarko Daniel (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/04/2020 5:30 AM | Alexion Pharmaceuticals (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
01/30/2020 5:34 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/28/2020 8:47 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/13/2020 5:18 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/10/2020 9:25 AM | Alexion Pharmaceuticals (Subject) FMR LLC (Filed by)
| Form SC 13G/A
| |
12/04/2019 5:52 PM | Alexion Pharmaceuticals (Issuer) Bazarko Daniel (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/04/2019 5:38 PM | Alexion Pharmaceuticals (Issuer) Bazarko Daniel (Reporting)
| Form 3/A
| |
12/04/2019 5:36 PM | Alexion Pharmaceuticals (Issuer) SARIN ARADHANA (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/02/2019 3:37 PM | Alexion Pharmaceuticals (Issuer) Carino Tanisha (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/05/2019 3:44 PM | Alexion Pharmaceuticals (Issuer) Carino Tanisha (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
10/23/2019 6:56 AM | Alexion Pharmaceuticals (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
10/23/2019 6:13 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/21/2019 4:27 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/16/2019 7:53 AM | Alexion Pharmaceuticals (Filer)
| Form DEFA14A
| |
10/16/2019 7:50 AM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/17/2019 3:12 PM | Alexion Pharmaceuticals (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/24/2019 7:00 AM | Alexion Pharmaceuticals (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |