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Prothena Corporation plc (PRTA) Insider Trading

Total insider buys:
  • $61,564,116.72
Total insider sells:
  • $155,285,816.50
Most recent insider trade:
  • Jan. 24, 2024
Most active insider trader:
  • Karin L. Walker
Trader NameDateTitleAmountPriceTypeTotal Value
Sept. 25, 2017Insider17,500$63.60Sell$1,113,000.00
July 17, 2017Insider5,000$64.89Sell$324,450.00
July 7, 2017Director3,500$58.11Sell$203,385.00
April 17, 2017Insider5,000$52.25Sell$261,250.00
April 3, 2017Director3,500$55.86Sell$195,510.00
March 9, 2017CFO1,000$51.32Buy$51,320.00
Jan. 4, 2017Insider3,125$52.25Sell$163,281.25
Nov. 28, 2016Director5,000$62.42Sell$312,100.00
Nov. 9, 2016Insider8,548$55.32Sell$472,875.36
Oct. 21, 2016Insider20,619$55.10Sell$1,136,106.90
Oct. 13, 2016Insider5,000$54.23Sell$271,150.00
Sept. 19, 2016Insider12,000$61.10Sell$733,200.00
Sept. 1, 2016Insider3,125$52.16Sell$163,000.00
July 20, 2016Insider9,375$52.14Sell$488,812.50
May 24, 2016Director5,000$45.00Sell$225,000.00
April 13, 2016Insider4,000$45.11Sell$180,440.00
April 4, 2016Director5,000$45.00Sell$225,000.00
Jan. 13, 2016insider4,000$50.96Sell$203,840.00
Dec. 9, 2015insider10,000$66.17Sell$661,700.00
Dec. 9, 2015CFO30,000$66.17Sell$1,985,100.00
Dec. 1, 2015Director3,125$68.74Sell$214,812.50
Nov. 27, 2015Director5,000$75.00Sell$375,000.00
Nov. 25, 2015Director30,000$73.35Sell$2,200,500.00
Nov. 13, 2015insider30,000$65.03Sell$1,950,900.00
Nov. 2, 2015insider3,125$52.14Sell$162,937.50
Oct. 29, 2015Director5,000$55.00Sell$275,000.00
Sept. 9, 2015insider10,000$56.06Sell$560,600.00
Sept. 2, 2015insider30,000$55.56Sell$1,666,800.00
Sept. 1, 2015Director3,125$55.45Sell$173,281.25
Aug. 20, 2015CEO30,000$56.65Sell$1,699,500.00
Aug. 12, 2015Insider7,000$62.06Sell$434,420.00
June 9, 2015Insider12,000$44.41Sell$532,920.00
March 20, 2015Insider13,000$39.99Sell$519,870.00
March 9, 2015Director3,125$25.56Sell$79,875.00
Aug. 12, 2014Insider2,500$20.74Sell$51,850.00
Aug. 7, 2014Insider2,000$19.12Buy$38,240.00
June 6, 2014Insider8,000$21.58Sell$172,640.00
May 12, 2014CEO8,000$20.79Buy$166,320.00
May 12, 2014Insider1,656$21.00Buy$34,776.00
May 9, 2014Insider2,500$19.54Buy$48,850.00
May 9, 2014CFO2,200$19.61Buy$43,142.00
Feb. 3, 2014major shareholder3,182,253$24.96Sell$79,429,034.88
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  • Insiders are both buying and selling Prothena Corporation plc stock.

  • The insider traders at Prothena Corporation plc are: Karin L. Walker, Tran Nguyen, Dennis J Selkoe, Gene G Kinney, Michael J. Malecek, Karin L Walker, Hideki Garren, Shane Cooke, Tara Nickerson, Richard T Collier, Brandon S. Smith, Lars Ekman, Ecor1 Capital, Llc, Arthur W Homan, Dennis J. Selkoe, Carol D. Karp, Christopher S. Henney, Christopher S Henney, Wagner M. Zago, Carol D Karp, Martin Koller, Michael J Malecek, Wagner M Zago, Dale Schenk, Dale B. Schenk, Co Plc Perrigo, Arthur W. Homan, and Gene Kinney

  • The most active insider trader at Prothena Corporation plc is Karin L. Walker with 14 trades.

  • Co Plc Perrigo has sold the most Prothena Corporation plc stock with a total value of $158,858,069.76.

  • Ecor1 Capital, Llc has bought the most Prothena Corporation plc stock with a total value of $92,022,067.44.

  • The most recent insider trade for Prothena Corporation plc was on Jan. 24, 2024.

  • The single biggest insider buy for Prothena Corporation plc was from Ecor1 Capital, Llc with a total value of $30,840,598.72 on May 5, 2022.

  • The single biggest insider sell for Prothena Corporation plc was from Co Plc Perrigo with a total value of $79,429,034.88 on Feb. 3, 2014.