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 |
2023-09-13 Sale |
2023-09-13 7:33 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $55.48 | $110,952 | 192,000 (Direct) |
View |
2023-08-16 Sale |
2023-08-16 9:15 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $58.74 | $117,480 | 194,000 (Direct) |
View |
2023-07-12 Sale |
2023-07-12 8:45 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $67.51 | $135,027 | 196,000 (Direct) |
View |
2023-06-16 Sale |
2023-06-16 7:31 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
7,331 | $74 | $542,494 | 198,000 (Direct) |
View |
2023-06-14 Sale |
2023-06-14 9:15 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,669 | $74.22 | $346,516 | 205,331 (Direct) |
View |
2023-03-15 Sale |
2023-03-17 9:30 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
12,000 | $48.41 | $580,936 | 210,000 (Direct) |
View |
2023-01-03 Purchase |
2023-01-04 08:30 am |
Coya Therapeutics Inc. | COYA | Garren Hideki Director |
2,000 | $0 | $0 | 3,000 (Direct) |
View |
2022-12-01 Sale |
2022-12-02 9:30 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $62.51 | $250,040 | 222,000 (Direct) |
View |
2022-11-01 Sale |
2022-11-03 9:30 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $61.89 | $247,575 | 226,000 (Direct) |
View |
2022-10-03 Sale |
2022-10-05 9:46 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $60.9 | $243,600 | 230,000 (Direct) |
View |
2022-09-15 Sale |
2022-09-16 9:32 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $30 | $120,000 | 234,000 (Direct) |
View |
2022-08-01 Sale |
2022-08-03 9:39 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $30.52 | $122,080 | 238,000 (Direct) |
View |
2022-07-06 Sale |
2022-07-08 9:34 pm |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
8,000 | $30 | $240,000 | 242,000 (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 |
2024-02-27 Option Award |
2024-02-29 9:01 pm |
N/A 2034-02-27 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
85,000 | $0 | 85,000 (Direct) |
View |
2024-01-01 Option Award |
2024-01-19 6:30 pm |
2025-01-01 2034-01-01 |
Coya Therapeutics Inc. | COYA | Garren Hideki Director |
5,000 | $0 | 5,000 (Direct) |
View |
2023-09-13 Exercise |
2023-09-13 7:33 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $24.9 | 192,000 (Direct) |
View |
2023-09-13 Exercise |
2023-09-13 7:33 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $0 | 192,000 (Direct) |
View |
2023-08-16 Exercise |
2023-08-16 9:15 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $24.9 | 194,000 (Direct) |
View |
2023-08-16 Exercise |
2023-08-16 9:15 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $0 | 194,000 (Direct) |
View |
2023-07-12 Exercise |
2023-07-12 8:45 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $24.9 | 196,000 (Direct) |
View |
2023-07-12 Exercise |
2023-07-12 8:45 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
2,000 | $0 | 196,000 (Direct) |
View |
2023-06-16 Exercise |
2023-06-16 7:31 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
7,331 | $24.9 | 198,000 (Direct) |
View |
2023-06-16 Exercise |
2023-06-16 7:31 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
7,331 | $0 | 198,000 (Direct) |
View |
2023-06-14 Exercise |
2023-06-14 9:15 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,669 | $24.9 | 205,331 (Direct) |
View |
2023-06-14 Exercise |
2023-06-14 9:15 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,669 | $0 | 205,331 (Direct) |
View |
2023-03-15 Exercise |
2023-03-17 9:30 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
12,000 | $24.9 | 210,000 (Direct) |
View |
2023-03-15 Exercise |
2023-03-17 9:30 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
12,000 | $0 | 210,000 (Direct) |
View |
2023-03-02 Option Award |
2023-03-03 9:30 pm |
N/A 2033-03-02 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
48,000 | $0 | 48,000 (Direct) |
View |
Ownership |
2022-12-28 8:39 pm |
2022-05-01 2031-04-10 |
Coya Therapeutics Inc. | COYA | Garren Hideki Director |
0 | $0 | 17,557 (Direct) |
View |
2022-12-01 Exercise |
2022-12-02 9:30 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $24.9 | 222,000 (Direct) |
View |
2022-12-01 Exercise |
2022-12-02 9:30 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $0 | 222,000 (Direct) |
View |
2022-11-01 Exercise |
2022-11-03 9:30 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $24.9 | 226,000 (Direct) |
View |
2022-11-01 Exercise |
2022-11-03 9:30 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $0 | 226,000 (Direct) |
View |
2022-10-03 Exercise |
2022-10-05 9:46 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $24.9 | 230,000 (Direct) |
View |
2022-10-03 Exercise |
2022-10-05 9:46 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $0 | 230,000 (Direct) |
View |
2022-09-15 Exercise |
2022-09-16 9:32 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $24.9 | 234,000 (Direct) |
View |
2022-09-15 Exercise |
2022-09-16 9:32 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $0 | 234,000 (Direct) |
View |
2022-08-01 Exercise |
2022-08-03 9:39 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $24.9 | 238,000 (Direct) |
View |
2022-08-01 Exercise |
2022-08-03 9:39 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
4,000 | $0 | 238,000 (Direct) |
View |
2022-07-06 Exercise |
2022-07-08 9:34 pm |
N/A N/A |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
8,000 | $24.9 | 242,000 (Direct) |
View |
2022-07-06 Exercise |
2022-07-08 9:34 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
8,000 | $0 | 242,000 (Direct) |
View |
2022-02-23 Option Award |
2022-02-25 9:31 pm |
N/A 2032-02-23 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
85,000 | $0 | 85,000 (Direct) |
View |
2021-04-05 Option Award |
2021-04-07 5:41 pm |
N/A 2031-04-05 |
PROTHENA CORP PUBLIC LTD CO | PRTA | Garren Hideki Chief Medical Officer |
250,000 | $0 | 250,000 (Direct) |
View |