The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Walker Karin L since 2014.
This trader's CIK number is 1559422.
At the time of last reporting, Walker Karin L was the Chief Accounting Officer of Prothena Corp Public Ltd Co. (stock ticker symbol PRTA).
Also see all insider trading activities at Prothena Corp Public Ltd Co.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2024 | PRTA | 0 | $0 | 5,000 | $170,000 | 5,000 | $67,650 |
| 2023 | PRTA | 0 | $0 | 65,000 | $3,300,150 | 65,000 | $954,950 |
| 2022 | PRTA | 0 | $0 | 30,000 | $1,731,390 | 30,000 | $451,200 |
| 2021 | PRTA | 0 | $0 | 27,519 | $1,663,825 | 27,519 | $583,740 |
| 2017 | PRTA | 0 | $0 | 11,500 | $690,175 | 11,500 | $189,365 |
| 2016 | PRTA | 0 | $0 | 25,000 | $1,387,889 | 25,000 | $493,208 |
| 2015 | PRTA | 0 | $0 | 9,500 | $489,497 | 9,500 | $162,835 |
| 2014 | PRTA | 0 | $0 | 15,500 | $324,693 | 15,500 | $151,125 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2024-01-24 | PRTA | Option Ex | 5,000 | 13.53 | 67,650 |
| 2024-01-24 | PRTA | Sale | 5,000 | 34.00 | 170,000 |
| 2023-12-20 | PRTA | Option Ex | 5,000 | 13.53 | 67,650 |
| 2023-12-20 | PRTA | Sale | 5,000 | 37.06 | 185,315 |
| 2023-11-30 | PRTA | Sale | 5,000 | 34.00 | 170,000 |
| 2023-11-30 | PRTA | Option Ex | 5,000 | 13.53 | 67,650 |
| 2023-10-25 | PRTA | Sale | 5,000 | 41.31 | 206,555 |
| 2023-10-25 | PRTA | Option Ex | 5,000 | 13.53 | 67,650 |
| 2023-09-19 | PRTA | Option Ex | 5,000 | 15.04 | 75,200 |
| 2023-09-19 | PRTA | Sale | 5,000 | 52.36 | 261,805 |
| 2023-08-18 | PRTA | Option Ex | 5,000 | 15.04 | 75,200 |
| 2023-08-18 | PRTA | Sale | 5,000 | 57.19 | 285,925 |
| 2023-07-19 | PRTA | Option Ex | 5,000 | 15.04 | 75,200 |
| 2023-07-19 | PRTA | Sale | 5,000 | 69.52 | 347,585 |
| 2023-05-19 | PRTA | Sale | 5,000 | 74.05 | 370,250 |
| 2023-05-19 | PRTA | Option Ex | 5,000 | 15.04 | 75,200 |
| 2023-04-19 | PRTA | Option Ex | 5,000 | 15.04 | 75,200 |
| 2023-04-19 | PRTA | Sale | 5,000 | 52.95 | 264,730 |
| 2023-03-20 | PRTA | Option Ex | 5,000 | 15.04 | 75,200 |
| 2023-03-20 | PRTA | Sale | 5,000 | 47.99 | 239,945 |
| 2023-03-15 | PRTA | Option Ex | 20,000 | 15.04 | 300,800 |
| 2023-03-15 | PRTA | Sale | 20,000 | 48.40 | 968,040 |
| 2022-11-18 | PRTA | Option Ex | 10,000 | 15.04 | 150,400 |
| 2022-11-18 | PRTA | Sale | 10,000 | 57.66 | 576,590 |
| 2022-10-24 | PRTA | Option Ex | 20,000 | 15.04 | 300,800 |
| 2022-10-24 | PRTA | Sale | 20,000 | 57.74 | 1,154,800 |
| 2021-11-23 | PRTA | Option Ex | 4,519 | 15.04 | 67,965 |
| 2021-11-23 | PRTA | Sale | 4,519 | 57.97 | 261,975 |
| 2021-10-20 | PRTA | Option Ex | 23,000 | 22.43 | 515,775 |
| 2021-10-20 | PRTA | Sale | 23,000 | 60.95 | 1,401,850 |
| 2017-09-28 | PRTA | Option Ex | 1,500 | 27.81 | 41,715 |
| 2017-09-28 | PRTA | Sale | 1,500 | 70.00 | 105,000 |
| 2017-07-17 | PRTA | Sale | 5,000 | 64.64 | 323,175 |
| 2017-07-17 | PRTA | Option Ex | 5,000 | 9.75 | 48,750 |
| 2017-04-17 | PRTA | Option Ex | 5,000 | 19.78 | 98,900 |
| 2017-04-17 | PRTA | Sale | 5,000 | 52.40 | 262,000 |
| 2016-10-13 | PRTA | Option Ex | 5,000 | 19.78 | 98,900 |
| 2016-10-13 | PRTA | Sale | 5,000 | 54.19 | 270,945 |
| 2016-09-19 | PRTA | Sale | 12,000 | 60.92 | 731,028 |
| 2016-09-19 | PRTA | Option Ex | 12,000 | 18.78 | 225,360 |
| 2016-04-13 | PRTA | Option Ex | 4,000 | 22.46 | 89,828 |
| 2016-04-13 | PRTA | Sale | 4,000 | 45.23 | 180,936 |
| 2016-01-13 | PRTA | Option Ex | 4,000 | 19.78 | 79,120 |
| 2016-01-13 | PRTA | Sale | 4,000 | 51.24 | 204,980 |
| 2015-08-12 | PRTA | Option Ex | 7,000 | 19.78 | 138,460 |
| 2015-08-12 | PRTA | Sale | 7,000 | 62.24 | 435,680 |
| 2015-02-10 | PRTA | Option Ex | 2,500 | 9.75 | 24,375 |
| 2015-02-10 | PRTA | Sale | 2,500 | 21.53 | 53,817 |
| 2014-12-09 | PRTA | Sale | 2,500 | 20.00 | 50,002 |
| 2014-12-09 | PRTA | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-10-16 | PRTA | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-10-16 | PRTA | Sale | 2,500 | 20.09 | 50,217 |
| 2014-08-12 | PRTA | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-08-12 | PRTA | Sale | 2,500 | 20.74 | 51,842 |
| 2014-06-06 | PRTA | Option Ex | 8,000 | 9.75 | 78,000 |
| 2014-06-06 | PRTA | Sale | 8,000 | 21.58 | 172,632 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Walker Karin L (Chief Accounting Officer of Prothena Corp Public Ltd Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.