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 |
2023-10-04 Sale |
2023-10-04 7:52 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $46.62 | $233,084 | 45,000 (Direct) |
View |
2023-09-06 Sale |
2023-09-06 7:42 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $54.76 | $273,804 | 50,000 (Direct) |
View |
2023-08-02 Sale |
2023-08-02 9:00 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $67.01 | $335,072 | 55,000 (Direct) |
View |
2023-07-05 Sale |
2023-07-05 9:33 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $68.13 | $340,636 | 60,000 (Direct) |
View |
2023-06-07 Sale |
2023-06-07 9:49 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
20,000 | $71.05 | $1,421,009 | 100,000 (Direct) |
View |
2021-11-01 Sale |
2021-11-03 9:17 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $57.18 | $571,818 | 120,000 (Direct) |
View |
2021-10-01 Sale |
2021-10-01 8:46 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $68.23 | $682,336 | 130,000 (Direct) |
View |
2021-09-09 Sale |
2021-09-10 5:06 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $71.98 | $719,847 | 140,000 (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 4:28 pm |
N/A 2035-03-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
107,500 | $0 | 107,500 (Direct) |
View |
2024-02-27 Option Award |
2024-02-29 9:02 pm |
N/A 2034-02-27 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
85,000 | $0 | 85,000 (Direct) |
View |
2023-10-04 Exercise |
2023-10-04 7:52 pm |
N/A 2030-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $0 | 45,000 (Direct) |
View |
2023-10-04 Exercise |
2023-10-04 7:52 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $12.15 | 45,000 (Direct) |
View |
2023-09-06 Exercise |
2023-09-06 7:42 pm |
N/A 2030-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $0 | 50,000 (Direct) |
View |
2023-09-06 Exercise |
2023-09-06 7:42 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $12.15 | 50,000 (Direct) |
View |
2023-08-02 Exercise |
2023-08-02 9:00 pm |
N/A 2030-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $0 | 55,000 (Direct) |
View |
2023-08-02 Exercise |
2023-08-02 9:00 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $12.15 | 55,000 (Direct) |
View |
2023-07-05 Exercise |
2023-07-05 9:33 pm |
N/A 2030-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $0 | 60,000 (Direct) |
View |
2023-07-05 Exercise |
2023-07-05 9:33 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $12.15 | 60,000 (Direct) |
View |
2023-06-07 Exercise |
2023-06-07 9:49 pm |
N/A 2030-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
20,000 | $0 | 100,000 (Direct) |
View |
2023-06-07 Exercise |
2023-06-07 9:49 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
15,000 | $13.53 | 100,000 (Direct) |
View |
2023-06-07 Exercise |
2023-06-07 9:49 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
5,000 | $12.15 | 100,000 (Direct) |
View |
2023-03-02 Option Award |
2023-03-03 9:31 pm |
N/A 2033-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
48,000 | $0 | 48,000 (Direct) |
View |
2022-02-23 Option Award |
2022-02-25 9:32 pm |
N/A 2032-02-23 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
85,000 | $0 | 85,000 (Direct) |
View |
2021-11-01 Exercise |
2021-11-03 9:17 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $15.04 | 120,000 (Direct) |
View |
2021-11-01 Exercise |
2021-11-03 9:17 pm |
N/A 2028-06-21 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $0 | 120,000 (Direct) |
View |
2021-10-01 Exercise |
2021-10-01 8:46 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $15.04 | 130,000 (Direct) |
View |
2021-10-01 Exercise |
2021-10-01 8:46 pm |
N/A 2028-06-21 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $0 | 130,000 (Direct) |
View |
2021-09-09 Exercise |
2021-09-10 5:06 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $15.04 | 140,000 (Direct) |
View |
2021-09-09 Exercise |
2021-09-10 5:06 pm |
N/A 2028-06-21 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
10,000 | $0 | 140,000 (Direct) |
View |
2021-02-25 Option Award |
2021-02-26 5:10 pm |
N/A 2031-02-25 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
56,000 | $0 | 56,000 (Direct) |
View |
2021-02-12 Option Award |
2021-02-17 6:39 pm |
N/A 2026-12-14 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Karp Carol D. Chief Regulatory Officer |
96,394 | $0 | 96,394 (Direct) |
View |