Lewis William sold INSM

May 4, 2026 · Form 4 insider transaction

Lewis William sold 433 shares of Insmed Incorporated at $134.18 per share, a transaction worth $58.1K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
433
Price
$134.18
Total value
$58.1K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 4, 2026
Filing dateMay 6, 2026
Shares owned after311,451
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 433 shares sold at prices ranging from $133.88 to $134.69 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
Lewis William sold INSM: May 4, 2026 | Insider Trading Screener