InsiderTrades

Form 4 for INSM INSMED Inc

Accepted 2026-06-10 16:05:36 ET · period of report 2026-06-08 · accession 0001402051-26-000035 · 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
T 2026-06-10 16:05 2026-06-08 INSM Lewis William COB, CEO, Dir S - Sale $94.03 -6,515 258.9K -2% -$612.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-08 S D 6,515 $94.03 258,917 D — — (F1) This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.