Lewis William sold INSM

June 25, 2026 · Form 4 insider transaction

Lewis William sold 1,836 shares of Insmed Incorporated at $103.10 per share, a transaction worth $189.3K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
1,836
Price
$103.10
Total value
$189.3K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJune 25, 2026
Filing dateJune 26, 2026
Shares owned after266,388
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

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.; This is the weighted average sales price representing 1,836 shares sold at prices ranging from $102.78 to $103.58 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request.

View the original Form 4 on SEC EDGAR