Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Prothena Corp Public Ltd Co (PRTA) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Prothena Corp Public Ltd Co. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1559053.
Total stock buying since 2014: $78,424,010.
Total stock sales since 2014: $257,305,405.
Total stock option exercises since 2014: $20,237,273.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 100,000 | $1,279,000 | 6,279,684 | $50,838,781 | 0 | $0 |
| 2024 | 107,436 | $1,478,451 | 5,000 | $170,000 | 5,000 | $67,650 |
| 2023 | 0 | $0 | 490,835 | $30,650,867 | 490,835 | $8,231,326 |
| 2022 | 1,362,736 | $42,090,898 | 1,603,976 | $56,506,662 | 541,240 | $4,645,861 |
| 2021 | 1,607,640 | $33,194,455 | 168,369 | $8,623,907 | 168,369 | $2,229,878 |
| 2020 | 0 | $0 | 0 | $0 | 10,000 | $64,100 |
| 2017 | 1,000 | $51,317 | 115,309 | $7,179,717 | 115,309 | $1,102,644 |
| 2016 | 0 | $0 | 92,917 | $5,054,483 | 92,917 | $1,423,688 |
| 2015 | 0 | $0 | 303,250 | $18,527,261 | 309,916 | $2,321,001 |
| 2014 | 16,356 | $329,889 | 3,197,753 | $79,753,727 | 15,500 | $151,125 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2022-09-28 | Collier Richard T | Option Ex | 25,000 | 6.41 | 160,250 |
| 2022-09-21 | Kinney Gene G. (President and CEO) | Sale | 2,720 | 32.02 | 87,088 |
| 2022-09-21 | Kinney Gene G. (President and CEO) | Option Ex | 2,720 | 6.41 | 17,435 |
| 2022-09-21 | Nguyen Tran (Chief Strategy Officer and CFO) | Sale | 10,000 | 30.75 | 307,500 |
| 2022-09-21 | Nguyen Tran (Chief Strategy Officer and CFO) | Option Ex | 10,000 | 6.73 | 67,300 |
| 2022-09-15 | Garren Hideki (Chief Medical Officer) | Sale | 4,000 | 30.00 | 120,000 |
| 2022-09-15 | Garren Hideki (Chief Medical Officer) | Option Ex | 4,000 | 24.90 | 99,600 |
| 2022-08-24 | Nguyen Tran (Chief Strategy Officer and CFO) | Sale | 10,000 | 30.17 | 301,670 |
| 2022-08-24 | Nguyen Tran (Chief Strategy Officer and CFO) | Option Ex | 10,000 | 6.73 | 67,300 |
| 2022-08-17 | Kinney Gene G. (President and CEO) | Sale | 2,181 | 32.03 | 69,855 |
| 2022-08-17 | Kinney Gene G. (President and CEO) | Option Ex | 2,181 | 6.41 | 13,980 |
| 2022-08-12 | Kinney Gene G. (President and CEO) | Sale | 20,284 | 32.16 | 652,292 |
| 2022-08-12 | Kinney Gene G. (President and CEO) | Option Ex | 20,284 | 6.41 | 130,020 |
| 2022-08-11 | Kinney Gene G. (President and CEO) | Sale | 13,650 | 32.16 | 438,929 |
| 2022-08-11 | Kinney Gene G. (President and CEO) | Option Ex | 13,650 | 6.41 | 87,496 |
| 2022-08-10 | Kinney Gene G. (President and CEO) | Sale | 991 | 32.01 | 31,723 |
| 2022-08-10 | Kinney Gene G. (President and CEO) | Option Ex | 991 | 6.41 | 6,352 |
| 2022-08-05 | Kinney Gene G. (President and CEO) | Sale | 21,506 | 32.91 | 707,869 |
| 2022-08-05 | Kinney Gene G. (President and CEO) | Option Ex | 21,506 | 6.41 | 137,853 |
| 2022-08-04 | Kinney Gene G. (President and CEO) | Sale | 20,954 | 32.18 | 674,320 |
| 2022-08-04 | Kinney Gene G. (President and CEO) | Option Ex | 20,954 | 6.41 | 134,315 |
| 2022-08-01 | Garren Hideki (Chief Medical Officer) | Sale | 4,000 | 30.52 | 122,080 |
| 2022-08-01 | Garren Hideki (Chief Medical Officer) | Option Ex | 4,000 | 24.90 | 99,600 |
| 2022-07-27 | Kinney Gene G. (President and CEO) | Sale | 376 | 32.00 | 12,032 |
| 2022-07-27 | Kinney Gene G. (President and CEO) | Option Ex | 376 | 6.41 | 2,410 |
| 2022-07-22 | Nguyen Tran (Chief Strategy Officer and CFO) | Sale | 7,320 | 32.55 | 238,251 |
| 2022-07-22 | Nguyen Tran (Chief Strategy Officer and CFO) | Option Ex | 7,320 | 6.73 | 49,263 |
| 2022-07-21 | Nguyen Tran (Chief Strategy Officer and CFO) | Sale | 20,560 | 33.16 | 681,872 |
| 2022-07-21 | Nguyen Tran (Chief Strategy Officer and CFO) | Option Ex | 20,560 | 6.73 | 138,368 |
| 2022-07-20 | Cooke Shane | Sale | 15,000 | 32.90 | 493,500 |
| 2022-07-20 | Cooke Shane | Option Ex | 15,000 | 6.41 | 96,150 |
| 2022-07-20 | Nguyen Tran (Chief Strategy Officer and CFO) | Sale | 42,120 | 32.53 | 1,370,121 |
| 2022-07-20 | Nguyen Tran (Chief Strategy Officer and CFO) | Option Ex | 42,120 | 6.73 | 283,467 |
| 2022-07-06 | Garren Hideki (Chief Medical Officer) | Sale | 8,000 | 30.00 | 240,000 |
| 2022-07-06 | Garren Hideki (Chief Medical Officer) | Option Ex | 8,000 | 24.90 | 199,200 |
| 2022-05-05 | Ecor1 Capital, Llc | Buy | 1,062,736 | 29.02 | 30,840,598 |
| 2022-05-05 | Ecor1 Capital, Llc | Sale | 1,062,736 | 29.02 | 30,840,598 |
| 2022-04-11 | Cooke Shane | Sale | 5,000 | 35.61 | 178,060 |
| 2022-04-11 | Cooke Shane | Option Ex | 5,000 | 6.41 | 32,050 |
| 2022-04-05 | Collier Richard T | Sale | 5,000 | 39.42 | 197,090 |
| 2022-04-05 | Collier Richard T | Option Ex | 5,000 | 6.41 | 32,050 |
| 2022-01-12 | Ecor1 Capital, Llc | Buy | 300,000 | 37.50 | 11,250,300 |
| 2022-01-03 | Selkoe Dennis J. | Sale | 5,000 | 47.96 | 239,805 |
| 2022-01-03 | Selkoe Dennis J. | Option Ex | 5,000 | 9.23 | 46,150 |
| 2021-11-23 | Walker Karin L (Chief Accounting Officer) | Sale | 4,519 | 57.97 | 261,975 |
| 2021-11-23 | Walker Karin L (Chief Accounting Officer) | Option Ex | 4,519 | 15.04 | 67,965 |
| 2021-11-19 | Malecek Michael J (See Remarks) | Sale | 10,000 | 55.00 | 550,000 |
| 2021-11-19 | Malecek Michael J (See Remarks) | Option Ex | 10,000 | 10.27 | 102,700 |
| 2021-11-01 | Karp Carol D. (Chief Regulatory Officer) | Sale | 10,000 | 56.72 | 567,200 |
| 2021-11-01 | Karp Carol D. (Chief Regulatory Officer) | Option Ex | 10,000 | 15.04 | 150,400 |
| 2021-10-27 | Malecek Michael J (See Remarks) | Sale | 10,000 | 59.47 | 594,670 |
| 2021-10-27 | Malecek Michael J (See Remarks) | Option Ex | 10,000 | 10.27 | 102,700 |
| 2021-10-20 | Walker Karin L (Chief Accounting Officer) | Sale | 23,000 | 60.95 | 1,401,850 |
| 2021-10-20 | Walker Karin L (Chief Accounting Officer) | Option Ex | 23,000 | 22.43 | 515,775 |
| 2021-10-01 | Karp Carol D. (Chief Regulatory Officer) | Sale | 10,000 | 68.66 | 686,610 |
| 2021-10-01 | Karp Carol D. (Chief Regulatory Officer) | Option Ex | 10,000 | 15.04 | 150,400 |
| 2021-10-01 | Selkoe Dennis J. | Sale | 5,000 | 68.19 | 340,940 |
| 2021-10-01 | Selkoe Dennis J. | Option Ex | 5,000 | 9.23 | 46,150 |
| 2021-09-09 | Karp Carol D. (Chief Regulatory Officer) | Sale | 10,000 | 72.04 | 720,390 |
| 2021-09-09 | Karp Carol D. (Chief Regulatory Officer) | Option Ex | 10,000 | 15.04 | 150,400 |
| 2021-07-30 | Selkoe Dennis J. | Sale | 5,000 | 49.44 | 247,180 |
| 2021-07-30 | Selkoe Dennis J. | Option Ex | 5,000 | 12.82 | 64,125 |
| 2021-07-14 | Henney Christopher S | Sale | 11,108 | 55.72 | 618,937 |
| 2021-07-14 | Henney Christopher S | Option Ex | 11,108 | 11.33 | 125,853 |
| 2021-07-12 | Henney Christopher S | Sale | 23,892 | 57.61 | 1,376,442 |
| 2021-07-12 | Henney Christopher S | Option Ex | 23,892 | 10.28 | 245,609 |
| 2021-06-25 | Henney Christopher S | Sale | 12,000 | 48.15 | 577,788 |
| 2021-06-25 | Henney Christopher S | Option Ex | 12,000 | 16.43 | 197,160 |
| 2021-03-24 | Ecor1 Capital, Llc | Buy | 875,000 | 20.75 | 18,156,250 |
| 2021-02-24 | Ecor1 Capital, Llc | Buy | 10,800 | 22.02 | 237,869 |
| 2021-02-23 | Ecor1 Capital, Llc | Buy | 44,400 | 21.05 | 934,531 |
| 2021-02-18 | Zago Wagner M. (Chief Scientific Officer) | Sale | 7,540 | 25.50 | 192,270 |
| 2021-02-18 | Zago Wagner M. (Chief Scientific Officer) | Option Ex | 7,540 | 6.41 | 48,331 |
| 2021-02-18 | Ecor1 Capital, Llc | Buy | 44,100 | 3.68 | 162,111 |
| 2021-02-17 | Ecor1 Capital, Llc | Buy | 198,840 | 23.46 | 4,665,581 |
| 2021-02-16 | Ecor1 Capital, Llc | Buy | 89,200 | 22.78 | 2,031,976 |
| 2021-02-12 | Zago Wagner M. (Chief Scientific Officer) | Sale | 26,310 | 18.54 | 487,655 |
| 2021-02-12 | Zago Wagner M. (Chief Scientific Officer) | Option Ex | 26,310 | 9.97 | 262,310 |
| 2021-02-12 | Ecor1 Capital, Llc | Buy | 345,300 | 20.29 | 7,006,137 |
| 2020-08-17 | Kinney Gene G. (President and CEO) | Option Ex | 10,000 | 6.41 | 64,100 |
| 2017-10-02 | Selkoe Dennis J. (Director) | Sale | 3,500 | 64.45 | 225,575 |
| 2017-10-02 | Selkoe Dennis J. (Director) | Option Ex | 3,500 | 16.42 | 57,470 |
| 2017-09-28 | Zago Wagner M. (Chief Scientific Officer) | Sale | 900 | 70.00 | 63,000 |
| 2017-09-28 | Zago Wagner M. (Chief Scientific Officer) | Option Ex | 900 | 6.41 | 5,769 |
| 2017-09-28 | Nickerson Tara (Chief Business Officer) | Sale | 12,776 | 69.20 | 884,060 |
| 2017-09-28 | Nickerson Tara (Chief Business Officer) | Option Ex | 12,776 | 6.73 | 85,982 |
| 2017-09-28 | Kinney Gene G. (President and CEO) | Sale | 2,800 | 70.00 | 196,000 |
| 2017-09-28 | Kinney Gene G. (President and CEO) | Option Ex | 2,800 | 6.41 | 17,948 |
| 2017-09-28 | Walker Karin L (See Remarks) | Sale | 1,500 | 70.00 | 105,000 |
| 2017-09-28 | Walker Karin L (See Remarks) | Option Ex | 1,500 | 27.81 | 41,715 |
| 2017-09-28 | Henney Christopher S (Director) | Sale | 900 | 70.00 | 63,000 |
| 2017-09-28 | Henney Christopher S (Director) | Option Ex | 900 | 6.65 | 5,985 |
| 2017-09-27 | Nickerson Tara (Chief Business Officer) | Sale | 4,724 | 69.05 | 326,187 |
| 2017-09-27 | Nickerson Tara (Chief Business Officer) | Option Ex | 4,724 | 6.73 | 31,792 |
| 2017-09-25 | Nickerson Tara (Chief Business Officer) | Sale | 17,500 | 63.86 | 1,117,567 |
| 2017-09-25 | Nickerson Tara (Chief Business Officer) | Option Ex | 17,500 | 6.41 | 112,175 |
| 2017-07-17 | Walker Karin L (See Remarks) | Sale | 5,000 | 64.64 | 323,175 |
| 2017-07-17 | Walker Karin L (See Remarks) | Option Ex | 5,000 | 9.75 | 48,750 |
| 2017-07-17 | Henney Christopher S (Director) | Sale | 5,000 | 66.13 | 330,670 |
| 2017-07-17 | Henney Christopher S (Director) | Option Ex | 5,000 | 6.65 | 33,250 |
| 2017-07-07 | Selkoe Dennis J. (Director) | Sale | 3,500 | 58.30 | 204,032 |
| 2017-07-07 | Selkoe Dennis J. (Director) | Option Ex | 3,500 | 16.42 | 57,470 |
| 2017-04-17 | Walker Karin L (See Remarks) | Sale | 5,000 | 52.40 | 262,000 |
| 2017-04-17 | Walker Karin L (See Remarks) | Option Ex | 5,000 | 19.78 | 98,900 |
| 2017-04-03 | Selkoe Dennis J. (Director) | Sale | 3,500 | 55.86 | 195,524 |
| 2017-04-03 | Selkoe Dennis J. (Director) | Option Ex | 3,500 | 16.42 | 57,470 |
| 2017-03-09 | Nguyen Tran (Chief Financial Officer) | Buy | 1,000 | 51.32 | 51,317 |
| 2017-03-01 | Selkoe Dennis J. (Director) | Sale | 3,500 | 59.25 | 207,364 |
| 2017-03-01 | Selkoe Dennis J. (Director) | Option Ex | 3,500 | 16.42 | 57,470 |
| 2017-03-01 | Kinney Gene G. (President and CEO) | Sale | 25,163 | 60.77 | 1,529,029 |
| 2017-03-01 | Kinney Gene G. (President and CEO) | Option Ex | 25,163 | 6.41 | 161,294 |
| 2017-03-01 | Homan Arthur W (Chief Legal Officer) | Sale | 3,125 | 59.28 | 185,256 |
| 2017-03-01 | Homan Arthur W (Chief Legal Officer) | Option Ex | 3,125 | 22.14 | 69,187 |
| 2017-02-28 | Kinney Gene G. (President and CEO) | Sale | 3,796 | 60.00 | 227,760 |
| 2017-02-28 | Kinney Gene G. (President and CEO) | Option Ex | 3,796 | 6.41 | 24,332 |
| 2017-02-27 | Henney Christopher S (Director) | Sale | 5,989 | 57.16 | 342,349 |
| 2017-02-27 | Henney Christopher S (Director) | Option Ex | 5,989 | 6.65 | 39,826 |
| 2017-02-17 | Henney Christopher S (Director) | Sale | 4,011 | 57.06 | 228,879 |
| 2017-02-17 | Henney Christopher S (Director) | Option Ex | 4,011 | 6.65 | 26,673 |
| 2017-01-04 | Homan Arthur W (Chief Legal Officer) | Sale | 2,712 | 52.27 | 141,753 |
| 2017-01-04 | Homan Arthur W (Chief Legal Officer) | Option Ex | 2,712 | 22.14 | 60,043 |
| 2017-01-03 | Homan Arthur W (Chief Legal Officer) | Sale | 413 | 52.15 | 21,537 |
| 2017-01-03 | Homan Arthur W (Chief Legal Officer) | Option Ex | 413 | 22.14 | 9,143 |
| 2016-11-28 | Selkoe Dennis J. (Director) | Sale | 5,000 | 62.88 | 314,395 |
| 2016-11-28 | Selkoe Dennis J. (Director) | Option Ex | 5,000 | 16.42 | 82,100 |
| 2016-11-09 | Kinney Gene G. (President and CEO) | Sale | 8,548 | 55.32 | 472,909 |
| 2016-11-09 | Kinney Gene G. (President and CEO) | Option Ex | 8,548 | 6.41 | 54,792 |
| 2016-11-09 | Homan Arthur W (Chief Legal Officer) | Sale | 3,125 | 52.19 | 163,081 |
| 2016-11-09 | Homan Arthur W (Chief Legal Officer) | Option Ex | 3,125 | 22.14 | 69,187 |
| 2016-10-21 | Kinney Gene G. (President and CEO) | Sale | 5,834 | 55.15 | 321,745 |
| 2016-10-21 | Kinney Gene G. (President and CEO) | Option Ex | 5,834 | 6.41 | 37,395 |
| 2016-10-20 | Kinney Gene G. (President and CEO) | Sale | 14,785 | 55.08 | 814,357 |
| 2016-10-20 | Kinney Gene G. (President and CEO) | Option Ex | 14,785 | 6.41 | 94,771 |
| 2016-10-13 | Walker Karin L (See Remarks) | Sale | 5,000 | 54.19 | 270,945 |
| 2016-10-13 | Walker Karin L (See Remarks) | Option Ex | 5,000 | 19.78 | 98,900 |
| 2016-09-19 | Walker Karin L (See Remarks) | Sale | 12,000 | 60.92 | 731,028 |
| 2016-09-19 | Walker Karin L (See Remarks) | Option Ex | 12,000 | 18.78 | 225,360 |
| 2016-09-01 | Homan Arthur W (Chief Legal Officer) | Sale | 3,125 | 52.16 | 162,990 |
| 2016-09-01 | Homan Arthur W (Chief Legal Officer) | Option Ex | 3,125 | 22.14 | 69,187 |
| 2016-08-22 | Selkoe Dennis J. (Director) | Sale | 5,000 | 54.72 | 273,605 |
| 2016-08-22 | Selkoe Dennis J. (Director) | Option Ex | 5,000 | 16.42 | 82,100 |
| 2016-07-20 | Homan Arthur W (Chief Legal Officer) | Sale | 9,375 | 52.14 | 488,812 |
| 2016-07-20 | Homan Arthur W (Chief Legal Officer) | Option Ex | 9,375 | 22.14 | 207,562 |
| 2016-05-24 | Selkoe Dennis J. (Director) | Sale | 4,820 | 45.00 | 216,900 |
| 2016-05-24 | Selkoe Dennis J. (Director) | Option Ex | 4,820 | 16.42 | 79,144 |
| 2016-05-23 | Selkoe Dennis J. (Director) | Sale | 180 | 45.00 | 8,100 |
| 2016-05-23 | Selkoe Dennis J. (Director) | Option Ex | 180 | 16.42 | 2,955 |
| 2016-04-13 | Walker Karin L (See Remarks) | Sale | 4,000 | 45.23 | 180,936 |
| 2016-04-13 | Walker Karin L (See Remarks) | Option Ex | 4,000 | 22.46 | 89,828 |
| 2016-04-04 | Selkoe Dennis J. (Director) | Sale | 5,000 | 45.00 | 225,000 |
| 2016-04-04 | Selkoe Dennis J. (Director) | Option Ex | 5,000 | 16.42 | 82,100 |
| 2016-01-13 | Walker Karin L (See Remarks) | Sale | 4,000 | 51.24 | 204,980 |
| 2016-01-13 | Walker Karin L (See Remarks) | Option Ex | 4,000 | 19.78 | 79,120 |
| 2016-01-04 | Homan Arthur W (Chief Legal Officer) | Sale | 3,125 | 65.50 | 204,700 |
| 2016-01-04 | Homan Arthur W (Chief Legal Officer) | Option Ex | 3,125 | 22.14 | 69,187 |
| 2015-12-09 | Nickerson Tara (Chief Business Officer) | Sale | 10,000 | 66.25 | 662,530 |
| 2015-12-09 | Nickerson Tara (Chief Business Officer) | Option Ex | 10,000 | 6.73 | 67,300 |
| 2015-12-09 | Kinney Gene G. (CSO & Head of R&D) | Sale | 30,000 | 66.30 | 1,988,850 |
| 2015-12-09 | Kinney Gene G. (CSO & Head of R&D) | Option Ex | 30,000 | 6.41 | 192,300 |
| 2015-12-09 | Nguyen Tran (Chief Financial Officer) | Sale | 30,000 | 66.28 | 1,988,310 |
| 2015-12-09 | Nguyen Tran (Chief Financial Officer) | Option Ex | 30,000 | 6.73 | 201,900 |
| 2015-12-01 | Selkoe Dennis J. (Director) | Sale | 3,125 | 69.00 | 215,618 |
| 2015-12-01 | Selkoe Dennis J. (Director) | Option Ex | 3,125 | 16.42 | 51,312 |
| 2015-11-27 | Henney Christopher S (Director) | Sale | 5,000 | 75.00 | 375,000 |
| 2015-11-27 | Henney Christopher S (Director) | Option Ex | 5,000 | 6.65 | 33,250 |
| 2015-11-25 | Ekman Lars (Director) | Sale | 30,000 | 73.71 | 2,211,210 |
| 2015-11-25 | Ekman Lars (Director) | Option Ex | 30,000 | 6.41 | 192,300 |
| 2015-11-17 | Schenk Dale B. (President and CEO) | Sale | 30,000 | 67.70 | 2,031,119 |
| 2015-11-17 | Schenk Dale B. (President and CEO) | Option Ex | 33,333 | 6.03 | 200,997 |
| 2015-11-13 | Koller Martin (Chief Medical Officer) | Sale | 30,000 | 65.03 | 1,950,960 |
| 2015-11-13 | Koller Martin (Chief Medical Officer) | Option Ex | 30,000 | 6.73 | 201,900 |
| 2015-11-02 | Homan Arthur W (Chief Legal Officer) | Sale | 3,125 | 52.14 | 162,937 |
| 2015-11-02 | Homan Arthur W (Chief Legal Officer) | Option Ex | 3,125 | 22.14 | 69,187 |
| 2015-10-29 | Henney Christopher S (Director) | Sale | 5,000 | 55.00 | 275,000 |
| 2015-10-29 | Henney Christopher S (Director) | Option Ex | 5,000 | 6.65 | 33,250 |
| 2015-09-09 | Nickerson Tara (Chief Business Officer) | Sale | 10,000 | 56.51 | 565,110 |
| 2015-09-09 | Nickerson Tara (Chief Business Officer) | Option Ex | 10,000 | 6.41 | 64,100 |
| 2015-09-02 | Koller Martin (Chief Medical Officer) | Sale | 5,400 | 55.17 | 297,918 |
| 2015-09-02 | Koller Martin (Chief Medical Officer) | Option Ex | 5,400 | 6.73 | 36,342 |
| 2015-09-01 | Selkoe Dennis J. (Director) | Sale | 3,125 | 55.32 | 172,875 |
| 2015-09-01 | Selkoe Dennis J. (Director) | Option Ex | 3,125 | 16.42 | 51,312 |
| 2015-09-01 | Koller Martin (Chief Medical Officer) | Sale | 24,600 | 55.88 | 1,374,574 |
| 2015-09-01 | Koller Martin (Chief Medical Officer) | Option Ex | 24,600 | 6.73 | 165,558 |
| 2015-09-01 | Homan Arthur W (Chief Legal Officer) | Sale | 3,125 | 55.31 | 172,834 |
| 2015-09-01 | Homan Arthur W (Chief Legal Officer) | Option Ex | 3,125 | 22.14 | 69,187 |
| 2015-08-20 | Schenk Dale B. (President and CEO) | Sale | 30,000 | 56.71 | 1,701,420 |
| 2015-08-20 | Schenk Dale B. (President and CEO) | Option Ex | 33,333 | 6.03 | 200,997 |
| 2015-08-12 | Walker Karin L (See Remarks) | Sale | 7,000 | 62.24 | 435,680 |
| 2015-08-12 | Walker Karin L (See Remarks) | Option Ex | 7,000 | 19.78 | 138,460 |
| 2015-08-07 | Henney Christopher S (Director) | Sale | 10,000 | 63.21 | 632,060 |
| 2015-08-07 | Henney Christopher S (Director) | Option Ex | 10,000 | 6.41 | 64,100 |
| 2015-06-09 | Nickerson Tara (Chief Business Officer) | Sale | 12,000 | 44.68 | 536,136 |
| 2015-06-09 | Nickerson Tara (Chief Business Officer) | Option Ex | 12,000 | 6.41 | 76,920 |
| 2015-06-01 | Selkoe Dennis J. (Director) | Sale | 3,125 | 39.54 | 123,568 |
| 2015-06-01 | Selkoe Dennis J. (Director) | Option Ex | 3,125 | 16.42 | 51,312 |
| 2015-03-20 | Nickerson Tara (Chief Business Officer) | Sale | 13,000 | 39.99 | 519,870 |
| 2015-03-20 | Nickerson Tara (Chief Business Officer) | Option Ex | 13,000 | 6.41 | 83,330 |
| 2015-03-09 | Selkoe Dennis J. (Director) | Sale | 3,125 | 25.56 | 79,865 |
| 2015-03-09 | Selkoe Dennis J. (Director) | Option Ex | 3,125 | 16.42 | 51,312 |
| 2015-02-10 | Walker Karin L (See Remarks) | Sale | 2,500 | 21.53 | 53,817 |
| 2015-02-10 | Walker Karin L (See Remarks) | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-12-09 | Walker Karin L (See Remarks) | Sale | 2,500 | 20.00 | 50,002 |
| 2014-12-09 | Walker Karin L (See Remarks) | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-10-16 | Walker Karin L (See Remarks) | Sale | 2,500 | 20.09 | 50,217 |
| 2014-10-16 | Walker Karin L (See Remarks) | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-08-12 | Walker Karin L (See Remarks) | Sale | 2,500 | 20.74 | 51,842 |
| 2014-08-12 | Walker Karin L (See Remarks) | Option Ex | 2,500 | 9.75 | 24,375 |
| 2014-08-07 | Homan Arthur W (Chief Legal Officer) | Buy | 2,000 | 19.12 | 38,242 |
| 2014-06-06 | Walker Karin L (See Remarks) | Sale | 8,000 | 21.58 | 172,632 |
| 2014-06-06 | Walker Karin L (See Remarks) | Option Ex | 8,000 | 9.75 | 78,000 |
| 2014-05-12 | Nickerson Tara (Chief Business Officer) | Buy | 1,656 | 21.00 | 34,776 |
| 2014-05-12 | Schenk Dale B. (President and CEO) | Buy | 8,000 | 20.61 | 164,888 |
| 2014-05-09 | Kinney Gene G. (CSO & Head of R&D) | Buy | 2,500 | 19.54 | 48,850 |
| 2014-05-09 | Nguyen Tran (Chief Financial Officer) | Buy | 2,200 | 19.61 | 43,133 |
| 2014-02-03 | Elan Science One Ltd | Sale | 3,182,253 | 24.96 | 79,429,034 |
Insider trading activities including stock purchases, stock sales, and option exercises of PRTA listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Prothena Corp Public Ltd Co (symbol PRTA, CIK number 1559053) see the Securities and Exchange Commission (SEC) website.