InsiderTrades

Form 4 for INSM INSMED Inc

Accepted 2026-06-05 16:11:54 ET · period of report 2026-06-03 · accession 0001796960-26-000016 · 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
MT 2026-06-05 16:11 2026-06-03+ INSM Flammer Martina M.D. Chief Medical Off S - Sale $102.90 -4,424 60.5K -7% -$455.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-03 S D 2,566 $102.27 62,344 D — — (F1) Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.
2 Common Common Stock 2026-06-05 S D 1,858 $103.78 60,486 D — — (F2) This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on February 27, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.