Lewis William sold INSM
March 19, 2026 · Form 4 insider transaction
Lewis William sold 4,537 shares of Insmed Incorporated at $143.42 per share, a transaction worth $650.7K. 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.
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 4,537 shares sold at prices ranging from $142.80 to $143.77 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.