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Ionis Pharmaceuticals Inc (IONS) Insider Trading

Total insider buys:
  • $25,181,100.00
Total insider sells:
  • $187,239,588.09
Most recent insider trade:
  • March 11, 2025
Most active insider trader:
  • Stanley T Crooke
Trader NameDateTitleAmountPriceTypeTotal Value
Jan. 29, 2018SVP355$55.00Sell$19,525.00
Jan. 29, 2018Chairman11,000$54.12Sell$595,320.00
Jan. 25, 2018SVP645$55.00Sell$35,475.00
Jan. 16, 2018CFO2,724$51.76Sell$140,994.24
Jan. 16, 2018Director5,986$51.76Sell$309,835.36
Jan. 16, 2018COO2,821$51.76Sell$146,014.96
Jan. 16, 2018SVP2,696$51.76Sell$139,544.96
Jan. 16, 2018Insider2,196$51.76Sell$113,664.96
Jan. 15, 2018Chairman16,549$51.76Sell$856,576.24
Jan. 8, 2018Chairman11,000$52.01Sell$572,110.00
Jan. 3, 2018Chairman22,000$50.01Sell$1,100,220.00
Jan. 2, 2018SVP163$50.00Sell$8,150.00
Dec. 29, 2017Director3,000$50.56Sell$151,680.00
Dec. 29, 2017Director3,000$50.56Sell$151,680.00
Dec. 15, 2017SVP5,000$52.55Sell$262,750.00
Dec. 15, 2017Director3,000$51.69Sell$155,070.00
Dec. 4, 2017SVP4,000$57.00Sell$228,000.00
Dec. 1, 2017SVP1,000$55.50Sell$55,500.00
Nov. 30, 2017Director3,000$53.55Sell$160,650.00
Nov. 29, 2017SVP6,000$53.02Sell$318,120.00
Nov. 16, 2017SVP7,000$54.35Sell$380,450.00
Nov. 15, 2017Director2,250$53.56Sell$120,510.00
Nov. 13, 2017Director3,000$55.39Sell$166,170.00
Nov. 1, 2017SVP1,000$58.35Sell$58,350.00
Oct. 18, 2017COO16,118$65.00Sell$1,047,670.00
Oct. 18, 2017SVP12,250$65.00Sell$796,250.00
Oct. 13, 2017Chairman16,500$59.46Sell$981,090.00
Oct. 13, 2017SVP8,268$60.00Sell$496,080.00
Oct. 5, 2017SVP1,000$55.00Sell$55,000.00
Oct. 4, 2017Chairman27,500$52.89Sell$1,454,475.00
Oct. 2, 2017CEO15,000$52.00Sell$780,000.00
Sept. 6, 2017SVP1,000$55.00Sell$55,000.00
July 24, 2017SVP10,000$59.29Sell$592,900.00
July 20, 2017Chairman11,000$55.35Sell$608,850.00
July 19, 2017Major Shareholder3,125,000$8.00Buy$25,000,000.00
July 17, 2017Chairman16,500$52.45Sell$865,425.00
July 3, 2017Chairman16,500$52.10Sell$859,650.00
July 3, 2017SVP309$51.35Sell$15,867.15
June 1, 2017SVP70$48.00Sell$3,360.00
May 1, 2017SVP650$48.75Sell$31,687.50
April 25, 2017Chairman16,500$47.81Sell$788,865.00
April 24, 2017SVP500$45.00Sell$22,500.00
April 19, 2017Chairman5,500$43.25Sell$237,875.00
April 13, 2017Chairman22,000$40.69Sell$895,180.00
April 12, 2017SVP1,000$40.07Sell$40,070.00
March 3, 2017SVP5,000$55.00Sell$275,000.00
March 1, 2017COO4,625$49.26Sell$227,827.50
March 1, 2017SVP1,500$49.29Sell$73,935.00
Feb. 6, 2017SVP1,500$46.17Sell$69,255.00
Jan. 17, 2017CFO2,273$46.29Sell$105,217.17
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  • Insiders are both buying and selling Ionis Pharmaceuticals Inc stock.

  • The insider traders at Ionis Pharmaceuticals Inc are: Stanley T Crooke, Patrick R O'neil, Brett P Monia, B Lynne Parshall, Joseph Klein III, C Frank Bennett, Elizabeth L Hougen, Richard S Geary, Eric Swayze, Frederick T Muto, Stanley Crooke, Stanley T. Crooke, Spencer R Berthelsen, Joseph H Wender, Sarah Boyce, Joseph Wender, Patrick R. O'neil, Brett Monia, Richard Geary, Joseph Baroldi, Breaux Castleman, Brett P. Monia, Brian Birchler, Elizabeth L. Hougen, Eugene Schneider, Ionis Pharmaceuticals Inc, Allene M Diaz, Michael R Hayden, and Onaiza Cadoret-Manier

  • The most active insider trader at Ionis Pharmaceuticals Inc is Stanley T Crooke with 63 trades.

  • Stanley T Crooke has sold the most Ionis Pharmaceuticals Inc stock with a total value of $66,110,239.88.

  • Ionis Pharmaceuticals Inc has bought the most Ionis Pharmaceuticals Inc stock with a total value of $50,000,000.00.

  • The most recent insider trade for Ionis Pharmaceuticals Inc was on March 11, 2025.

  • The single biggest insider buy for Ionis Pharmaceuticals Inc was from Ionis Pharmaceuticals Inc with a total value of $25,000,000.00 on July 19, 2017.

  • The single biggest insider sell for Ionis Pharmaceuticals Inc was from Stanley T Crooke with a total value of $4,679,290.00 on Feb. 26, 2019.