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Insider Trading

Last Updated: 4 days, 5 hours ago

Alfred Altomari has an estimated net worth of at least $10.1 million*, as of Sept. 3, 2025. They own 69,495 shares of INSM stock.

Alfred Altomari $INSM SEC Form 4 Insider Trading

Alfred Altomari has filed a total of 0 insider trades in $INSM since 2021. Their most recent trade was a of shares, made on . Their largest trade was a of shares, made on . We estimate that they now own 69,495 shares of $INSM, worth an estimated $10.1 million.



Insider Trading at $INSM

There have been a total of 345 insider trades reported at $INSM since 2021, with 142,260 shares purchased and 3.8 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 8,300 shares reported by Michael Alexander Smith (Chief Legal Officer), made on Sep 02, 2025.



History of Insider Stock Trades by Alfred Altomari

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
No Trades Available - - - -




$INSM Executives and Stock Owners with Insider Trades



*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.