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Insmed Inc (INSM) Insider Trading

Total insider buys:
  • $4,541,987.85
Total insider sells:
  • $221,377,248.37
Most recent insider trade:
  • Sept. 12, 2025
Most active insider trader:
  • William Lewis
Trader NameDateTitleAmountPriceTypeTotal Value
Jan. 10, 2023CEO6,994$18.00Sell$125,892.00
Jan. 10, 2023CFO2,857$18.12Sell$51,768.84
Jan. 10, 2023COO3,194$17.99Sell$57,460.06
Jan. 5, 2023Insider1,160$19.74Sell$22,898.40
Jan. 5, 2023CEO7,008$19.80Sell$138,758.40
Jan. 5, 2023COO3,044$19.75Sell$60,119.00
Jan. 5, 2023VP720$19.72Sell$14,198.40
Nov. 22, 2022COO11,855$18.80Sell$222,874.00
Nov. 22, 2022Insider7,154$18.84Sell$134,781.36
Oct. 31, 2022Director20,000$17.53Buy$350,600.00
Aug. 8, 2022CEO216,800$27.84Sell$6,035,712.00
July 12, 2022General Counsel, Senior VP941$23.40Sell$22,019.40
July 7, 2022Chair and CEO96,614$23.00Sell$2,222,122.00
July 7, 2022CEO96,614$23.00Sell$2,222,122.00
May 11, 2022Director20,000$17.20Buy$344,000.00
March 23, 2022CEO96,614$23.16Sell$2,237,580.24
Jan. 12, 2022COO1,217$24.58Sell$29,913.86
Jan. 11, 2022VP407$25.11Sell$10,219.77
Jan. 11, 2022Insider925$25.11Sell$23,226.75
Jan. 11, 2022CFO1,154$25.11Sell$28,976.94
Jan. 11, 2022CEO2,873$25.11Sell$72,141.03
Jan. 5, 2022CEO7,126$27.61Sell$196,748.86
Jan. 5, 2022COO3,068$27.61Sell$84,707.48
Jan. 5, 2022VP749$27.61Sell$20,679.89
Jan. 5, 2022Insider1,423$27.61Sell$39,289.03
Dec. 27, 2021CEO46,614$27.72Sell$1,292,140.08
Dec. 23, 2021CEO50,000$28.21Sell$1,410,500.00
Nov. 1, 2021Director10,000$30.15Buy$301,500.00
Nov. 1, 2021Insider61,000$30.28Sell$1,847,080.00
Sept. 30, 2021CEO96,614$27.36Sell$2,643,359.04
March 16, 2021CEO50,000$36.19Sell$1,809,500.00
March 10, 2021Insider45,412$40.38Sell$1,833,736.56
Feb. 9, 2021Insider21,550$44.69Sell$963,069.50
Jan. 26, 2021Insider2,600$44.04Sell$114,504.00
Jan. 20, 2021Insider10,000$39.87Sell$398,700.00
Dec. 7, 2020Director20,000$39.57Sell$791,400.00
Nov. 4, 2020Insider30,000$34.28Sell$1,028,400.00
Nov. 4, 2020CEO200,000$34.03Sell$6,806,000.00
Sept. 15, 2020Director20,000$30.68Sell$613,600.00
Aug. 12, 2020Insider4,465$28.80Sell$128,592.00
Aug. 10, 2020Insider52,046$30.29Sell$1,576,473.34
Nov. 18, 2019CAO25,000$20.80Sell$520,000.00
June 25, 2019CEO400,000$26.00Sell$10,400,000.00
June 6, 2019Insider12,000$23.24Sell$278,880.00
April 9, 2019Director6,286$32.99Sell$207,375.14
Feb. 26, 2019Director5,500$30.00Sell$165,000.00
Feb. 22, 2019Director14,900$28.08Sell$418,392.00
Feb. 15, 2019Director5,500$27.50Sell$151,250.00
Feb. 5, 2019Director5,500$25.00Sell$137,500.00
Jan. 10, 2019Director5,500$22.50Sell$123,750.00
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  • Insiders are both buying and selling Insmed Inc stock.

  • The insider traders at Insmed Inc are: William Lewis, Roger Adsett, Sara Bonstein, Martina M.D. Flammer, Michael Alexander Smith, Orlov S Nicole Schaeffer, Melvin Md Sharoky, Fmr Llc, John Drayton Wise, Christine A Pellizzari, Alfred Altomari, Donald J Hayden Jr, Clarissa Desjardins, David W J Mcgirr, John Soriano, Donald J. Hayden, Jr., Myrtle S Potter, David R Brennan, Smith Michael Alexander, Steinar J Engelsen, Andrew T Drechsler, Lewis William, Mark Quigley, and John Goll

  • The most active insider trader at Insmed Inc is William Lewis with 44 trades.

  • William Lewis has sold the most Insmed Inc stock with a total value of $78,259,895.84.

  • Melvin Md Sharoky has bought the most Insmed Inc stock with a total value of $2,365,405.00.

  • The most recent insider trade for Insmed Inc was on Sept. 12, 2025.

  • The single biggest insider buy for Insmed Inc was from Melvin Md Sharoky with a total value of $1,000,001.25 on Aug. 13, 2014.

  • The single biggest insider sell for Insmed Inc was from William Lewis with a total value of $13,031,123.95 on June 16, 2025.