William Lewis $INSM SEC Form 4 Insider Trading

William Lewis has filed a total of 93 insider trades in $INSM since 2021. Their most recent trade was a sale of 3,334 shares, made on Apr 15, 2025. Their largest trade was a sale of 161,193 shares, made on Aug 08, 2022. We estimate that they now own 687,818 shares of $INSM, worth an estimated $49.3 million.

Insider Trading at $INSM

There have been a total of 253 insider trades reported at $INSM since 2021, with 139,235 shares purchased and 2.8 million shares sold. The most active insider traders in $INSM stock have been William Lewis, Martina M.D. Flammer, and Orlov S Nicole Schaeffer. The most recent trade was a sale of 3,334 shares reported by William Lewis (Chair and CEO), made on Apr 15, 2025.

$INSM Executives and Stock Owners with Insider Trades

• William Lewis, Chair and CEO

• Martina M.D. Flammer, Chief Medical Officer

• Orlov S Nicole Schaeffer, Chief People Strategy Officer

• Roger Adsett, Chief Operating Officer

• John Drayton Wise, Chief Commercial Officer

• Sara Bonstein, Chief Financial Officer

• Michael Alexander Smith, General Counsel, Senior VP

• Michael Alexander Smith, Chief Legal Officer

• John Soriano, Chief Compliance Officer

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.