INSMED Inc (INSM) Insider Trading -- Recent Executive & Director Transactions

15 insiders reported 479 Form 4 transactions for INSMED Inc (INSM) over the past 18 months (most recent 2026-06-26). Recent activity: Lewis William (Chair and CEO) Buy 12,518 shares, Lewis William (Chair and CEO) Buy 8,880 shares, Lewis William (Chair and CEO) Sell 12,091 shares, Lewis William (Chair and CEO) Sell 1,836 shares, Lewis William (Chair and CEO) Sell 3,723 shares. Source: SEC Form 4.

DateInsiderTitleTypeSharesValue
2026-06-26Lewis WilliamChair and CEOBuy12,518$381,298
2026-06-26Lewis WilliamChair and CEOBuy8,880$152,381
2026-06-26Lewis WilliamChair and CEOSell12,091$1.2M
2026-06-26Lewis WilliamChair and CEOSell1,836$189,292
2026-06-26Lewis WilliamChair and CEOSell3,723$388,234
2026-06-26Lewis WilliamChair and CEOSell2,456$258,543
2026-06-26Lewis WilliamChair and CEOSell1,292$137,301
2026-06-24Smith Michael AlexanderChief Legal OfficerSell1,806$173,051
2026-06-24Butera SamueleSVP, GM, Global RespiratoryBuy7,342$0
2026-06-10Lewis WilliamChair and CEOSell6,515$612,605
2026-06-05Flammer Martina M.D.Chief Medical OfficerSell2,566$262,425
2026-06-05Adsett RogerChief Operating OfficerSell2,370$242,380
2026-06-05Bonstein SaraChief Financial OfficerSell2,404$245,857
2026-06-05Smith Michael AlexanderChief Legal OfficerSell2,159$220,801
2026-06-05Lewis WilliamChair and CEOSell7,605$777,763
2026-06-05Flammer Martina M.D.Chief Medical OfficerSell1,858$192,823
2026-05-22Smith Michael AlexanderChief Legal OfficerSell6,149$666,982
2026-05-20Lewis WilliamChair and CEOBuy6,259$190,649
2026-05-20Lewis WilliamChair and CEOBuy4,440$76,190
2026-05-20Lewis WilliamChair and CEOSell5,753$605,906
2026-05-20Lewis WilliamChair and CEOSell11,836$1.3M
2026-05-20Lewis WilliamChair and CEOSell7,975$853,086
2026-05-15SHAROKY MELVIN MDDirectorBuy3,305$0
2026-05-15SCHAFER CAROLDirectorBuy3,305$0
2026-05-15Lewis WilliamChair and CEOSell13,283$1.5M

Source: SEC Form 4 filings · as of 2026-06-26