Insider Trading activities of Prothena Corp Plc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Prothena Corp Plc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Prothena Corp Plc since year 2005. Table 2 shows the detailed insider transactions of Prothena Corp Plc since 2005. The reporting company's ticker symbol is PRTA. The reporting company's CIK number is 1559053.
The total value of stock buying since 2005 is $381,206.
The total value of stock sales since 2005 is $110,515,188.
The total value of stock option exercises since 2005 is $4,998,458.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Prothena Corp Plc (PRTA).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-10 0 $0 3,500 $225,575 3,500 $57,470
2017-09 0 $0 41,100 $2,754,814 41,100 $301,366
2017-07 0 $0 13,500 $857,877 13,500 $139,470
2017-04 0 $0 8,500 $457,524 8,500 $156,370
2017-03 1,000 $51,317 31,788 $1,921,649 31,788 $287,951
2017-02 0 $0 13,796 $798,988 13,796 $90,831
2017-01 0 $0 3,125 $163,290 3,125 $69,186
2016-11 0 $0 16,673 $950,385 16,673 $206,079
2016-10 0 $0 25,619 $1,407,047 25,619 $231,066
2016-09 0 $0 15,125 $894,018 15,125 $294,547
2016-08 0 $0 5,000 $273,605 5,000 $82,100
2016-07 0 $0 9,375 $488,812 9,375 $207,562
2016-05 0 $0 5,000 $225,000 5,000 $82,099
2016-04 0 $0 9,000 $405,936 9,000 $171,928
2016-01 0 $0 7,125 $409,680 7,125 $148,307
2015-12 0 $0 73,125 $4,855,308 73,125 $512,812
2015-11 0 $0 98,125 $6,731,226 101,458 $697,634
2015-10 0 $0 5,000 $275,000 5,000 $33,250
2015-09 0 $0 46,250 $2,583,311 46,250 $386,499
2015-08 0 $0 47,000 $2,769,160 50,333 $403,557
2015-06 0 $0 15,125 $659,704 15,125 $128,232
2015-03 0 $0 16,125 $599,735 16,125 $134,642
2015-02 0 $0 2,500 $53,817 2,500 $24,375
2014-12 0 $0 2,500 $50,002 2,500 $24,375
2014-10 0 $0 2,500 $50,217 2,500 $24,375
2014-08 2,000 $38,242 2,500 $51,842 2,500 $24,375
2014-06 0 $0 8,000 $172,632 8,000 $78,000
2014-05 14,356 $291,647 0 $0 0 $0
2014-02 0 $0 3,182,253 $79,429,034 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Prothena Corp Plc insiders (PRTA)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
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 Plc (symbol PRTA, CIK number 1559053) see the Securities and Exchange Commission (SEC) website.