Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-10-11 Sale |
2023-10-11 8:25 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $46.75 | $186,985 | 218,667 (Direct) |
View |
2023-09-13 Sale |
2023-09-13 7:32 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $55.49 | $221,963 | 222,667 (Direct) |
View |
2023-08-16 Sale |
2023-08-16 9:15 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $58.71 | $234,844 | 226,667 (Direct) |
View |
2023-07-12 Sale |
2023-07-12 8:45 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $67.51 | $270,026 | 230,667 (Direct) |
View |
2023-06-14 Sale |
2023-06-14 9:15 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
5,333 | $73.98 | $394,562 | 234,667 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-05 Option Award |
2025-03-07 4:41 pm |
N/A 2035-03-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
107,500 | $0 | 107,500 (Direct) |
View |
2024-02-27 Option Award |
2024-02-29 9:08 pm |
N/A 2034-02-27 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
85,000 | $0 | 85,000 (Direct) |
View |
2023-10-11 Exercise |
2023-10-11 8:25 pm |
N/A 2030-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $0 | 218,667 (Direct) |
View |
2023-10-11 Exercise |
2023-10-11 8:25 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $11.12 | 218,667 (Direct) |
View |
2023-09-13 Exercise |
2023-09-13 7:32 pm |
N/A 2030-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $0 | 222,667 (Direct) |
View |
2023-09-13 Exercise |
2023-09-13 7:32 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $11.12 | 222,667 (Direct) |
View |
2023-08-16 Exercise |
2023-08-16 9:15 pm |
N/A 2030-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $0 | 226,667 (Direct) |
View |
2023-08-16 Exercise |
2023-08-16 9:15 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $11.12 | 226,667 (Direct) |
View |
2023-07-12 Exercise |
2023-07-12 8:45 pm |
N/A 2030-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $0 | 230,667 (Direct) |
View |
2023-07-12 Exercise |
2023-07-12 8:45 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
4,000 | $11.12 | 230,667 (Direct) |
View |
2023-06-14 Exercise |
2023-06-14 9:15 pm |
N/A 2030-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
5,333 | $0 | 234,667 (Direct) |
View |
2023-06-14 Exercise |
2023-06-14 9:15 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
5,333 | $11.12 | 234,667 (Direct) |
View |
2023-03-02 Option Award |
2023-03-03 9:31 pm |
N/A 2033-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
48,000 | $0 | 48,000 (Direct) |
View |
2022-02-23 Option Award |
2022-02-25 9:31 pm |
N/A 2032-02-23 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
85,000 | $0 | 85,000 (Direct) |
View |
2021-09-29 Option Award |
2021-10-01 4:31 pm |
N/A 2031-09-29 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Operating Officer |
25,000 | $0 | 25,000 (Direct) |
View |
2021-02-25 Option Award |
2021-02-26 5:14 pm |
N/A 2031-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Smith Brandon S. Chief Business Officer |
56,000 | $0 | 56,000 (Direct) |
View |