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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. 18, 2023CEO25,066$39.49Sell$989,856.34
Jan. 18, 2023EVP5,631$39.74Sell$223,775.94
Jan. 18, 2023CFO8,280$39.70Sell$328,716.00
Jan. 17, 2023Director2,000$40.00Sell$80,000.00
Sept. 8, 2022EVP460$44.55Sell$20,493.00
July 15, 2022Director1,333$38.24Sell$50,973.92
April 21, 2022EVP378$44.15Sell$16,688.70
April 12, 2022EVP6,792$40.06Sell$272,087.52
April 1, 2022CEO355$37.49Sell$13,308.95
July 15, 2021Director4,334$35.30Sell$152,990.20
June 23, 2021Director15,000$37.74Sell$566,100.00
June 15, 2021Director15,000$36.63Sell$549,450.00
March 1, 2021CEO236$54.28Sell$12,810.08
Jan. 26, 2021Chairman28,333$63.74Sell$1,805,945.42
Jan. 25, 2021EVP5,324$63.50Sell$338,074.00
Jan. 21, 2021Chairman35,000$61.20Sell$2,142,000.00
Jan. 13, 2021EVP141$59.50Sell$8,389.50
Jan. 5, 2021EVP195$55.99Sell$10,918.05
Dec. 23, 2020Director10,000$60.00Sell$600,000.00
Dec. 17, 2020Chairman1,407$50.50Sell$71,053.50
Dec. 15, 2020Chairman39,000$49.78Sell$1,941,420.00
Dec. 7, 2020Chairman11,000$51.67Sell$568,370.00
Dec. 4, 2020CEO23,840$51.04Sell$1,216,793.60
Dec. 4, 2020Insider7,947$51.04Sell$405,614.88
Dec. 2, 2020Insider7,053$51.32Sell$361,959.96
Dec. 2, 2020CEO21,160$51.32Sell$1,085,931.20
Nov. 25, 2020Director3,590$50.05Sell$179,679.50
Nov. 25, 2020Chairman12,990$50.05Sell$650,149.50
Nov. 25, 2020CFO21,680$50.05Sell$1,085,084.00
Nov. 24, 2020EVP2,380$50.83Sell$120,975.40
Nov. 23, 2020Director3,200$50.12Sell$160,384.00
Nov. 23, 2020CFO19,000$50.11Sell$952,090.00
Nov. 23, 2020Chairman11,600$50.11Sell$581,276.00
Nov. 3, 2020Insider15,000$46.77Sell$701,550.00
Oct. 20, 2020Director2,889$46.86Sell$135,378.54
Sept. 21, 2020Chairman2,000$50.18Sell$100,360.00
Sept. 1, 2020CEO314$53.70Sell$16,861.80
June 25, 2020Director10,000$60.00Sell$600,000.00
June 25, 2020EVP15,000$59.77Sell$896,550.00
June 24, 2020Chairman5,000$58.80Sell$294,000.00
June 23, 2020Director15,000$58.76Sell$881,400.00
June 19, 2020Chairman10,000$58.33Sell$583,300.00
June 17, 2020Chairman15,000$57.90Sell$868,500.00
March 25, 2020Chairman15,000$47.00Sell$705,000.00
March 19, 2020Chairman15,000$45.17Sell$677,550.00
Feb. 10, 2020SVP3,882$59.60Sell$231,367.20
Jan. 2, 2020CEO173$60.25Sell$10,423.25
Dec. 23, 2019Director1,000$61.87Sell$61,870.00
Dec. 16, 2019Director1,000$65.45Sell$65,450.00
Dec. 9, 2019Director1,000$63.74Sell$63,740.00
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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.