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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
Dec. 4, 2019SVP10,000$64.61Sell$646,100.00
Dec. 4, 2019CFO4,566$64.61Sell$295,009.26
Dec. 2, 2019SVP5,000$65.06Sell$325,300.00
Dec. 2, 2019Director1,000$64.08Sell$64,080.00
Nov. 25, 2019CFO4,000$62.50Sell$250,000.00
Nov. 25, 2019Director812$62.90Sell$51,074.80
Nov. 20, 2019Director2,000$60.00Sell$120,000.00
Nov. 20, 2019COO5,776$60.01Sell$346,617.76
Nov. 19, 2019CFO4,000$58.80Sell$235,200.00
Aug. 21, 2019Chairman22,000$71.52Sell$1,573,440.00
July 18, 2019CEO10,000$70.25Sell$702,500.00
July 2, 2019COO210$66.40Sell$13,944.00
June 24, 2019Director15,000$63.67Sell$955,050.00
June 4, 2019Director15,000$65.29Sell$979,350.00
May 6, 2019Director8,000$72.75Sell$582,000.00
April 29, 2019Director50,000$75.01Sell$3,750,500.00
April 16, 2019Chairman32,000$84.84Sell$2,714,880.00
April 8, 2019SVP46,240$84.01Sell$3,884,622.40
April 5, 2019SVP49,528$83.99Sell$4,159,856.72
April 3, 2019SVP7,654$84.83Sell$649,288.82
March 19, 2019Director10,000$79.63Sell$796,300.00
March 18, 2019SVP28,800$78.79Sell$2,269,152.00
March 12, 2019Director8,334$75.00Sell$625,050.00
Feb. 27, 2019Director8,333$70.00Sell$583,310.00
Feb. 27, 2019SVP26,800$68.01Sell$1,822,668.00
Feb. 26, 2019Chairman77,000$60.77Sell$4,679,290.00
Feb. 13, 2019SVP999$60.00Sell$59,940.00
Feb. 13, 2019Chairman46,904$60.09Sell$2,818,461.36
Feb. 5, 2019SVP19,600$59.25Sell$1,161,300.00
Feb. 1, 2019SVP9,013$58.29Sell$525,367.77
Jan. 3, 2019SVP4,400$54.80Sell$241,120.00
Jan. 2, 2019COO214$53.50Sell$11,449.00
Dec. 19, 2018SVP4,063$52.03Sell$211,397.89
Nov. 23, 2018COO34,000$55.00Sell$1,870,000.00
Nov. 1, 2018SVP12,500$49.54Sell$619,250.00
Aug. 27, 2018COO16,493$54.00Sell$890,622.00
Aug. 8, 2018SVP12,500$45.00Sell$562,500.00
July 24, 2018COO156$47.03Sell$7,336.68
June 25, 2018Director15,000$42.30Sell$634,500.00
May 31, 2018Director15,000$46.45Sell$696,750.00
May 11, 2018Director15,000$45.31Sell$679,650.00
May 11, 2018SVP12,500$45.00Sell$562,500.00
April 17, 2018Chairman13,962$44.40Sell$619,912.80
March 29, 2018Director2,000$46.15Sell$92,300.00
March 15, 2018Director2,000$51.13Sell$102,260.00
March 12, 2018SVP1,000$55.00Sell$55,000.00
Feb. 28, 2018Director3,000$51.91Sell$155,730.00
Feb. 15, 2018Director3,000$48.99Sell$146,970.00
Feb. 1, 2018SVP12,500$52.50Sell$656,250.00
Jan. 30, 2018Director3,000$52.86Sell$158,580.00
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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.