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 |
| 2025-05-02 Sale | 2025-05-06 7:06 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | EcoR1 Capital LLC 10% Owner | 6,279,684 | $8.0959 | $50,839,807 | 5,304,596 (Indirect) | View |
| 2024-12-18 Purchase | 2025-05-02 10:29 am | PROTHENA CORP PUBLIC LTD CO | PRTA | SCULLY WILLIAM P 10% Owner | 207,436 | $13.26 | $2,749,916 | 926,943 (Indirect Direct) | View |
| 2024-01-24 Sale | 2024-01-24 7:01 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $34 | $170,000 | 15,000 (Direct) | View |
| 2023-12-20 Sale | 2023-12-20 7:17 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $37.19 | $185,952 | 20,000 (Direct) | View |
| 2023-11-30 Sale | 2023-11-30 6:24 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $34 | $170,000 | 25,000 (Direct) | View |
| 2023-10-25 Sale | 2023-10-25 8:03 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $41.04 | $205,191 | 30,000 (Direct) | View |
| 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 |
| 2023-10-04 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-12-18 Gift | 2025-05-02 10:29 am | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | SCULLY WILLIAM P 10% Owner | 1,177,700 | $0 | 926,943 (Direct) | View |
Ownership | 2025-05-01 9:19 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | SCULLY WILLIAM P 10% Owner | 0 | $0 | 1,037,207 (Direct) | View |
| 2025-03-05 Option Award | 2025-03-07 4:51 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Zago Wagner M. Chief Scientific Officer | 107,500 | $0 | 107,500 (Direct) | View |
| 2025-03-05 Option Award | 2025-03-07 4:46 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 70,000 | $0 | 70,000 (Direct) | View |
| 2025-03-05 Option Award | 2025-03-07 4:45 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Swanson Chad J. Chief Development Officer | 107,500 | $0 | 107,500 (Direct) | View |
| 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 |
| 2025-03-05 Option Award | 2025-03-07 4:37 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Nguyen Tran Chief Strategy Officer and CFO | 107,500 | $0 | 107,500 (Direct) | View |
| 2025-03-05 Option Award | 2025-03-07 4:36 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 107,500 | $0 | 107,500 (Direct) | View |
| 2025-03-05 Option Award | 2025-03-07 4:30 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Kinney Gene G. President and CEO | 375,000 | $0 | 375,000 (Direct) | View |
| 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 |
| 2025-03-05 Option Award | 2025-03-07 4:24 pm | N/A 2035-03-05 | PROTHENA CORP PUBLIC LTD CO | PRTA | Ford David A Chief People Officer | 107,500 | $0 | 107,500 (Direct) | View |
| 2024-10-01 Option Award | 2024-10-03 6:58 pm | N/A 2034-10-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Swanson Chad J. Chief Development Officer | 40,000 | $0 | 40,000 (Direct) | View |
Ownership | 2024-10-03 6:57 pm | N/A 2033-02-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Swanson Chad J. Chief Development Officer | 0 | $0 | 112,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:44 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | WELCH DANIEL G Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:42 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | Selkoe Dennis J. Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:40 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | Kim Helen Susan Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:38 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | Ekman Lars Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:37 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | Dunn William H. Jr. Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:35 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | Cooke Shane Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:31 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | COLLIER RICHARD T Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-05-15 Option Award | 2024-05-17 4:29 pm | N/A 2034-05-15 | PROTHENA CORP PUBLIC LTD CO | PRTA | Cobb Paula K Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2024-03-01 Option Award | 2024-03-05 9:03 pm | N/A 2034-03-01 | PROTHENA CORP PUBLIC LTD CO | PRTA | Ford David A Chief People Officer | 85,000 | $0 | 85,000 (Direct) | View |
| 2024-02-27 Option Award | 2024-02-29 9:11 pm | N/A 2034-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Zago Wagner M. Chief Scientific Officer | 85,000 | $0 | 85,000 (Direct) | View |
| 2024-02-27 Option Award | 2024-02-29 9:09 pm | N/A 2034-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 54,000 | $0 | 54,000 (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 |
| 2024-02-27 Option Award | 2024-02-29 9:07 pm | N/A 2034-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Nguyen Tran Chief Strategy Officer and CFO | 85,000 | $0 | 85,000 (Direct) | View |
| 2024-02-27 Option Award | 2024-02-29 9:06 pm | N/A 2034-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Malecek Michael J Chief Legal Officer | 85,000 | $0 | 85,000 (Direct) | View |
| 2024-02-27 Option Award | 2024-02-29 9:03 pm | N/A 2034-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Kinney Gene G. President and CEO | 307,000 | $0 | 307,000 (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 |
| 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 |
| 2024-02-21 Option Award | 2024-02-23 5:37 pm | N/A 2034-02-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | WELCH DANIEL G Director | 132,000 | $0 | 132,000 (Direct) | View |
| 2024-01-24 Exercise | 2024-01-24 7:01 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $13.53 | 15,000 (Direct) | View |
| 2024-01-24 Exercise | 2024-01-24 7:01 pm | N/A 2029-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 15,000 (Direct) | View |
| 2023-12-20 Exercise | 2023-12-20 7:17 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $13.53 | 20,000 (Direct) | View |
| 2023-12-20 Exercise | 2023-12-20 7:17 pm | N/A 2029-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 20,000 (Direct) | View |
| 2023-11-30 Exercise | 2023-11-30 6:24 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $13.53 | 25,000 (Direct) | View |
| 2023-11-30 Exercise | 2023-11-30 6:24 pm | N/A 2029-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 25,000 (Direct) | View |
| 2023-10-25 Exercise | 2023-10-25 8:03 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $13.53 | 30,000 (Direct) | View |
| 2023-10-25 Exercise | 2023-10-25 8:03 pm | N/A 2029-02-27 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 30,000 (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 |
| 2023-10-04 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 |
| 2023-10-04 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 |