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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
Nov. 10, 2022Director5,000$56.17Sell$280,850.00
Nov. 7, 2022Director5,000$55.62Sell$278,100.00
Nov. 1, 2022Insider15,833$62.88Sell$995,579.04
Oct. 27, 2022insider20,000$62.00Sell$1,240,000.00
Oct. 24, 2022CAO20,000$57.23Sell$1,144,600.00
Oct. 19, 2022CFO10,000$56.44Sell$564,400.00
Oct. 10, 2022Director5,000$55.91Sell$279,550.00
Oct. 5, 2022Director5,000$57.92Sell$289,600.00
Oct. 3, 2022insider4,000$60.90Sell$243,600.00
Sept. 28, 2022CEO16,412$53.38Sell$876,072.56
Sept. 28, 2022Insider31,666$48.09Sell$1,522,817.94
Sept. 28, 2022Director10,000$48.09Sell$480,900.00
Sept. 21, 2022CEO2,720$32.02Sell$87,094.40
Sept. 21, 2022CFO10,000$30.75Sell$307,500.00
Sept. 15, 2022insider4,000$30.00Sell$120,000.00
Aug. 24, 2022CFO10,000$30.17Sell$301,700.00
Aug. 17, 2022CEO2,181$32.03Sell$69,857.43
Aug. 12, 2022CEO20,284$32.16Sell$652,333.44
Aug. 10, 2022CEO991$32.01Sell$31,721.91
Aug. 5, 2022CEO21,506$32.83Sell$706,041.98
Aug. 1, 2022insider4,000$30.52Sell$122,080.00
July 27, 2022CEO376$32.00Sell$12,032.00
July 22, 2022CFO7,320$32.55Sell$238,266.00
July 20, 2022Director15,000$32.90Sell$493,500.00
July 20, 2022CFO42,120$32.49Sell$1,368,478.80
July 6, 2022insider8,000$30.00Sell$240,000.00
May 5, 2022Major Shareholder1,062,736$29.02Buy$30,840,598.72
April 11, 2022Director5,000$35.08Sell$175,400.00
April 5, 2022Director5,000$39.41Sell$197,050.00
Jan. 12, 2022Major Shareholder300,000$37.50Buy$11,250,000.00
Jan. 3, 2022Director5,000$47.45Sell$237,250.00
Nov. 23, 2021CAO4,519$57.88Sell$261,559.72
Nov. 19, 2021Insider10,000$55.00Sell$550,000.00
Nov. 1, 2021Insider10,000$57.18Sell$571,800.00
Oct. 27, 2021Insider10,000$58.52Sell$585,200.00
Oct. 20, 2021CAO23,000$60.25Sell$1,385,750.00
Oct. 1, 2021Insider10,000$68.23Sell$682,300.00
Oct. 1, 2021Director5,000$67.84Sell$339,200.00
July 30, 2021Director5,000$49.47Sell$247,350.00
July 14, 2021Director11,108$55.46Sell$616,049.68
July 12, 2021Director23,892$55.51Sell$1,326,244.92
June 25, 2021Director12,000$47.73Sell$572,760.00
June 22, 2021Insider115,250$46.15Sell$5,318,787.50
March 24, 2021Major Shareholder875,000$20.75Buy$18,156,250.00
Feb. 23, 2021Major Shareholder44,400$21.05Buy$934,620.00
Feb. 18, 2021Insider7,540$25.50Sell$192,270.00
Oct. 2, 2017Director3,500$64.17Sell$224,595.00
Sept. 28, 2017Director900$70.00Sell$63,000.00
Sept. 28, 2017Insider2,800$70.00Sell$196,000.00
Sept. 27, 2017Insider4,724$69.05Sell$326,192.20
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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.