08/06/2025
8:05 AM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/30/2025
4:15 PM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/30/2025
4:50 PM | Kinney Gene G. (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/30/2025
4:51 PM | Malecek Michael J (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/30/2025
4:51 PM | Nguyen Tran (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/30/2025
4:51 PM | Prothena (Issuer)
Smith Brandon S. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/30/2025
4:52 PM | Prothena (Issuer)
Swanson Chad J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/30/2025
4:52 PM | Prothena (Issuer)
Walker Karin L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/30/2025
4:52 PM | Prothena (Issuer)
Zago Wagner M. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/18/2025
3:16 PM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/16/2025
6:30 AM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
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06/05/2025
6:43 PM | Prothena (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
| Form SCHEDULE 13G/A | |
06/04/2025
4:18 PM | Logos Global Management LP (Filed by)
Prothena (Subject)
| Form SCHEDULE 13G | |
05/29/2025
8:08 PM | EcoR1 Capital, LLC (Filed by)
Prothena (Subject)
| Form SCHEDULE 13D/A | |
05/23/2025
3:33 PM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/16/2025
3:44 PM | Cobb Paula K (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/16/2025
3:46 PM | COLLIER RICHARD T (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/16/2025
3:47 PM | Cooke Shane (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/16/2025
3:48 PM | Dunn William H. Jr. (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/15/2025
9:00 AM | Fennell Todd W. (Filed by)
Prothena (Subject)
| Form SCHEDULE 13G/A | |
05/14/2025
9:34 AM | Prothena (Subject)
SCULLY WILLIAM P (Filed by)
| Form SCHEDULE 13G/A | |
05/06/2025
6:06 PM | EcoR1 Capital, LLC (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/06/2025
6:08 PM | EcoR1 Capital, LLC (Filed by)
Prothena (Subject)
| Form SCHEDULE 13D/A | |
05/02/2025
9:29 AM | Prothena (Issuer)
SCULLY WILLIAM P (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
05/01/2025
8:19 PM | Prothena (Issuer)
SCULLY WILLIAM P (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
03/28/2025
3:35 PM | Prothena (Filer)
| Form DEFA14A | |
03/28/2025
3:37 PM | Prothena (Filer)
| Form ARS | |
03/07/2025
3:45 PM | Prothena (Issuer)
Swanson Chad J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:46 PM | Prothena (Issuer)
Walker Karin L (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:51 PM | Prothena (Issuer)
Zago Wagner M. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:30 PM | Kinney Gene G. (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:36 PM | Malecek Michael J (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:37 PM | Nguyen Tran (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:41 PM | Prothena (Issuer)
Smith Brandon S. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:24 PM | Ford David A (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/07/2025
3:28 PM | Karp Carol D. (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2025
1:49 PM | Prothena (Subject)
SCULLY WILLIAM P (Filed by)
| Form SCHEDULE 13G/A | |
02/20/2025
3:07 PM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/14/2025
5:34 PM | Nguyen Tran (Reporting)
Prothena (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/14/2025
2:35 PM | Fennell Todd W. (Filed by)
Prothena (Subject)
| Form SCHEDULE 13G/A | |
02/10/2025
9:25 AM | Prothena (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
| Form SCHEDULE 13G/A | |
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01/03/2025
6:45 PM | EcoR1 Capital, LLC (Filed by)
Prothena (Subject)
| Form SCHEDULE 13D/A | |
12/30/2024
3:07 PM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/13/2024
6:00 AM | Fennell Todd W. (Filed by)
Prothena (Subject)
| Form SC 13G/A | |
11/13/2024
5:06 AM | Prothena (Subject)
SCULLY WILLIAM P (Filed by)
| Form SC 13G/A | |
11/08/2024
9:46 AM | Prothena (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
| Form SC 13G | |
11/07/2024
8:33 AM | Prothena (Subject)
WELLINGTON MANAGEMENT GROUP LLP (Filed by)
| Form SC 13G/A | |
10/18/2024
9:54 AM | Prothena (Subject)
STATE STREET CORP (Filed by)
| Form SC 13G/A | |
10/03/2024
5:57 PM | Prothena (Issuer)
Swanson Chad J. (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
10/03/2024
5:58 PM | Prothena (Issuer)
Swanson Chad J. (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/27/2024
3:13 PM | Prothena (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/08/2024
4:13 PM | Prothena (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
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