Lewis William sold INSM

May 4, 2026 · Form 4 insider transaction

Lewis William sold 599 shares of Insmed Incorporated at $135.18 per share, a transaction worth $81.0K. 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
599
Price
$135.18
Total value
$81.0K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 4, 2026
Filing dateMay 6, 2026
Shares owned after310,852
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 599 shares sold at prices ranging from $135.06 to $135.50 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