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Insider Trading

Last Updated: 1 week, 1 day ago

Sara Bonstein has an estimated net worth of at least $21.8 million*, as of Dec. 18, 2024. They own 117,481 shares of INSM stock. They have sold 279,336 shares of INSM stock since 2021, for an estimated $13.1 million.

Sara Bonstein $INSM SEC Form 4 Insider Trading

Sara Bonstein has filed a total of 10 insider trades in $INSM since 2021. Their most recent trade was a sale of 220,564 shares, made on May 29, 2024. Their largest trade was a sale of 220,564 shares, made on May 29, 2024. We estimate that they now own 117,481 shares of $INSM, worth an estimated $8.7 million.



Insider Trading at $INSM

There have been a total of 159 insider trades reported at $INSM since 2021, with 139,235 shares purchased and 2.2 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 5,240 shares reported by William Lewis (Chair and CEO), made on Dec 19, 2024.



History of Insider Stock Trades by Sara Bonstein

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
INSM Sale 220,564 May 29, 2024 May 30, 2024, 5:41 p.m.
INSM Sale 20,724 May 28, 2024 May 30, 2024, 5:41 p.m.
INSM Sale 11,088 May 14, 2024 May 15, 2024, 4:32 p.m.
INSM Sale 4,497 Jan 09, 2024 Jan. 11, 2024, 5:07 p.m.
INSM Sale 13,199 Dec 22, 2023 Dec. 22, 2023, 5:03 p.m.
INSM Sale 1,610 May 16, 2023 May 17, 2023, 4:09 p.m.
INSM Sale 2,210 May 15, 2023 May 17, 2023, 4:09 p.m.
INSM Sale 2,857 Jan 10, 2023 Jan. 12, 2023, 5:08 p.m.
INSM Sale 1,433 May 16, 2022 May 18, 2022, 4:10 p.m.
INSM Sale 1,154 Jan 11, 2022 Jan. 13, 2022, 5:41 p.m.




$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.