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 |
| 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 |
| 2023-09-19 Sale | 2023-09-19 5:37 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $52.36 | $261,807 | 481 (Direct) | View |
| 2023-08-18 Sale | 2023-08-18 8:37 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $57.18 | $285,923 | 5,481 (Direct) | View |
| 2023-07-19 Sale | 2023-07-19 8:50 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $69.19 | $345,943 | 10,481 (Direct) | View |
| 2023-06-20 Sale | 2023-06-20 6:32 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $68.9 | $344,494 | 15,481 (Direct) | View |
| 2023-05-19 Sale | 2023-05-19 9:31 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $74 | $369,978 | 20,481 (Direct) | View |
| 2023-04-19 Sale | 2023-04-21 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $52.9 | $264,480 | 25,481 (Direct) | View |
| 2023-03-20 Sale | 2023-03-22 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $47.72 | $238,610 | 30,481 (Direct) | View |
| 2023-03-15 Sale | 2023-03-17 9:32 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $48.42 | $968,346 | 53,481 (Direct) | View |
| 2022-11-18 Sale | 2022-11-18 9:32 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 10,000 | $57.07 | $570,709 | 55,481 (Direct) | View |
| 2022-10-24 Sale | 2022-10-26 9:30 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $57.23 | $1,144,613 | 65,481 (Direct) | View |
| 2021-11-23 Sale | 2021-11-26 9:19 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 4,519 | $57.88 | $261,573 | 85,481 (Direct) | View |
| 2021-10-20 Sale | 2021-10-22 5:53 pm | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 23,000 | $60.25 | $1,385,823 | 90,000 (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 9:09 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 |
| 2024-01-24 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 |
| 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 |
| 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 |
| 2023-12-20 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 |
| 2023-11-30 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 |
| 2023-11-30 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 |
| 2023-10-25 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 |
| 2023-10-25 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 |
| 2023-09-19 Exercise | 2023-09-19 5:37 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 481 (Direct) | View |
| 2023-09-19 Exercise | 2023-09-19 5:37 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 481 (Direct) | View |
| 2023-08-18 Exercise | 2023-08-18 8:37 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 5,481 (Direct) | View |
| 2023-08-18 Exercise | 2023-08-18 8:37 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 5,481 (Direct) | View |
| 2023-07-19 Exercise | 2023-07-19 8:50 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 10,481 (Direct) | View |
| 2023-07-19 Exercise | 2023-07-19 8:50 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 10,481 (Direct) | View |
| 2023-06-30 Option Award | 2023-07-03 4:56 pm | 2024-06-30 2033-06-30 | Cyclacel Pharmaceuticals Inc. | CYCC | Walker Karin L Director | 63,657 | $0 | 83,040 (Direct) | View |
| 2023-06-20 Exercise | 2023-06-20 6:32 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 15,481 (Direct) | View |
| 2023-06-20 Exercise | 2023-06-20 6:32 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 15,481 (Direct) | View |
| 2023-05-19 Exercise | 2023-05-19 9:31 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 20,481 (Direct) | View |
| 2023-05-19 Exercise | 2023-05-19 9:31 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 20,481 (Direct) | View |
| 2023-04-19 Exercise | 2023-04-21 9:30 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 25,481 (Direct) | View |
| 2023-04-19 Exercise | 2023-04-21 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 25,481 (Direct) | View |
| 2023-03-20 Exercise | 2023-03-22 9:30 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $0 | 30,481 (Direct) | View |
| 2023-03-20 Exercise | 2023-03-22 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 5,000 | $15.04 | 30,481 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-17 9:32 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $0 | 53,481 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-17 9:32 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $15.04 | 53,481 (Direct) | View |
| 2023-03-02 Option Award | 2023-03-03 9:30 pm | N/A 2033-03-02 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 38,000 | $0 | 38,000 (Direct) | View |
| 2022-11-18 Exercise | 2022-11-18 9:32 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 10,000 | $0 | 55,481 (Direct) | View |
| 2022-11-18 Exercise | 2022-11-18 9:32 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 10,000 | $15.04 | 55,481 (Direct) | View |
| 2022-10-24 Exercise | 2022-10-26 9:30 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $0 | 65,481 (Direct) | View |
| 2022-10-24 Exercise | 2022-10-26 9:30 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $15.04 | 65,481 (Direct) | View |
| 2022-06-14 Option Award | 2022-06-16 4:13 pm | 2023-06-14 2032-06-14 | Cyclacel Pharmaceuticals Inc. | CYCC | Walker Karin L Director | 47,467 | $0 | 51,028 (Direct) | View |
| 2022-02-23 Option Award | 2022-02-25 9:31 pm | N/A 2032-02-23 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 45,500 | $0 | 45,500 (Direct) | View |
| 2021-11-23 Exercise | 2021-11-26 9:19 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 4,519 | $0 | 85,481 (Direct) | View |
| 2021-11-23 Exercise | 2021-11-26 9:19 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 4,519 | $15.04 | 85,481 (Direct) | View |
| 2021-10-20 Exercise | 2021-10-22 5:53 pm | N/A 2028-06-21 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 23,000 | $0 | 90,000 (Direct) | View |
| 2021-10-20 Exercise | 2021-10-22 5:53 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 20,000 | $15.04 | 90,000 (Direct) | View |
| 2021-10-20 Exercise | 2021-10-22 5:53 pm | N/A N/A | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 3,000 | $29.81 | 90,000 (Direct) | View |
| 2021-06-15 Option Award | 2021-06-17 4:07 pm | 2022-06-15 2031-06-15 | Cyclacel Pharmaceuticals Inc. | CYCC | Walker Karin L Director | 8,309 | $0 | 17,805 (Direct) | View |
| 2021-02-25 Option Award | 2021-02-26 5:09 pm | N/A 2031-02-25 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 28,000 | $0 | 28,000 (Direct) | View |
| 2021-02-12 Option Award | 2021-02-17 6:42 pm | N/A 2025-03-11 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 65,955 | $0 | 65,955 (Direct) | View |
| 2021-02-12 Disposition | 2021-02-17 6:42 pm | 2019-03-11 2025-03-11 | PROTHENA CORP PUBLIC LTD CO | PRTA | Walker Karin L Chief Accounting Officer | 97,500 | $0 | 65,955 (Direct) | View |
| 2020-11-09 Option Award | 2020-11-12 08:45 am | 2021-11-09 2030-11-09 | Cyclacel Pharmaceuticals Inc. | CYCC | Walker Karin L Director | 5,200 | $0 | 5,200 (Direct) | View |
Ownership | 2020-03-09 11:47 am | N/A N/A | LifeSci Acquisition Corp. | LSAC | Walker Karin L Director | 0 | $0 | 6,000 (Direct) | View |
| 2020-02-25 Option Award | 2020-02-27 5:20 pm | N/A 2030-02-25 | Prothena Corp plc | PRTA | Walker Karin L See Remarks | 40,000 | $0 | 40,000 (Direct) | View |