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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. 17, 2017COO7,246$46.29Sell$335,417.34
Jan. 17, 2017SVP2,502$46.29Sell$115,817.58
Jan. 17, 2017CEO15,382$46.29Sell$712,032.78
Jan. 17, 2017Insider1,361$46.29Sell$63,000.69
Jan. 10, 2017Chairman13,200$49.25Sell$650,100.00
Jan. 4, 2017Chairman18,700$48.89Sell$914,243.00
Jan. 3, 2017SVP309$48.60Sell$15,017.40
Dec. 20, 2016SVP130$52.48Sell$6,822.40
Dec. 15, 2016COO4,000$50.00Sell$200,000.00
Dec. 5, 2016CFO2,500$46.05Sell$115,125.00
Dec. 5, 2016SVP350$45.00Sell$15,750.00
Dec. 1, 2016COO12,500$42.23Sell$527,875.00
Nov. 14, 2016SVP1,000$45.00Sell$45,000.00
Nov. 11, 2016SVP5,000$39.75Sell$198,750.00
Nov. 7, 2016SVP5,000$34.00Sell$170,000.00
Oct. 5, 2016Chairman11,000$36.61Sell$402,710.00
Sept. 27, 2016Chairman22,000$36.02Sell$792,440.00
Sept. 21, 2016Chairman22,000$35.50Sell$781,000.00
Sept. 1, 2016COO12,500$29.88Sell$373,500.00
May 31, 2016Director12,500$22.31Sell$278,875.00
April 6, 2016SVP1,000$45.00Sell$45,000.00
April 6, 2016CEO11,000$46.13Sell$507,430.00
March 31, 2016CEO11,000$40.74Sell$448,140.00
March 23, 2016SVP1,000$45.40Sell$45,400.00
Jan. 19, 2016COO5,192$41.46Sell$215,260.32
Jan. 19, 2016CEO13,401$41.46Sell$555,605.46
Jan. 19, 2016insider872$41.46Sell$36,153.12
Jan. 19, 2016CFO1,899$41.46Sell$78,732.54
Jan. 19, 2016SVP2,110$41.46Sell$87,480.60
Jan. 5, 2016CEO5,500$62.10Sell$341,550.00
Jan. 4, 2016CEO11,000$61.05Sell$671,550.00
Jan. 4, 2016SVP127$61.00Sell$7,747.00
Jan. 4, 2016COO809$61.05Sell$49,389.45
Dec. 16, 2015SVP7,909$57.41Sell$454,055.69
Dec. 1, 2015SVP1,000$61.50Sell$61,500.00
Nov. 11, 2015Director6,875$64.18Sell$441,237.50
Nov. 10, 2015SVP5,000$64.00Sell$320,000.00
Nov. 6, 2015SVP5,000$56.00Sell$280,000.00
Nov. 3, 2015SVP1,000$51.95Sell$51,950.00
Oct. 23, 2015CEO44,000$43.85Sell$1,929,400.00
Oct. 2, 2015COO12,436$40.75Sell$506,767.00
July 6, 2015COO6,218$57.01Sell$354,488.18
July 6, 2015CEO5,000$57.01Sell$285,050.00
July 1, 2015COO6,218$57.56Sell$357,908.08
July 1, 2015CEO6,175$57.56Sell$355,433.00
June 8, 2015SVP7,600$66.22Sell$503,272.00
April 7, 2015COO5,565$63.07Sell$350,984.55
April 7, 2015CEO22,377$63.07Sell$1,411,317.39
March 24, 2015SVP15,000$70.61Sell$1,059,150.00
March 19, 2015CFO10,000$73.33Sell$733,300.00
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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.