InsiderTrades

Form 4 for INSM INSMED Inc

Accepted 2026-06-05 16:12:30 ET · period of report 2026-06-03 · accession 0001402051-26-000032 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-06-05 16:12 2026-06-03 INSM Lewis William COB, CEO, Dir S - Sale $102.27 -7,605 265.4K -3% -$777.8K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-03 S D 7,605 $102.27 265,432 D — — (F1) Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.