Sara Bonstein Net Worth
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Sara Bonstein has an estimated net worth of at least $27.9 million*, as of June 4, 2025. They own shares of INSM stock. They have sold 362,452 shares of INSM stock since 2021, for an estimated $19.4 million.
Sara Bonstein $INSM SEC Form 4 Insider Trading
Sara Bonstein has filed a total of 21 insider trades in $INSM since 2021. Their most recent trade was a sale of 1,579 shares, made on Jun 03, 2025. Their largest trade was a sale of 220,564 shares, made on May 29, 2024. We estimate that they now own shares of $INSM, worth an estimated $8.5 million.
Insider Trading at $INSM
There have been a total of 308 insider trades reported at $INSM since 2021, with 142,260 shares purchased and 3.3 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 904 shares reported by William Lewis (Chair and CEO), made on Jun 16, 2025.
History of Insider Stock Trades by Sara Bonstein
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
INSM
|
Sale | 1,579 | Jun 03, 2025 | June 4, 2025, 5:36 p.m. |
|
INSM
|
Sale | 8,870 | May 13, 2025 | May 15, 2025, 4:29 p.m. |
|
INSM
|
Sale | 1,634 | May 14, 2025 | May 15, 2025, 4:29 p.m. |
|
INSM
|
Sale | 700 | Feb 18, 2025 | Feb. 20, 2025, 5:52 p.m. |
|
INSM
|
Sale | 17,622 | Feb 18, 2025 | Feb. 20, 2025, 5:52 p.m. |
|
INSM
|
Sale | 5,019 | Feb 12, 2025 | Feb. 13, 2025, 6:09 p.m. |
|
INSM
|
Sale | 13,302 | Feb 11, 2025 | Feb. 13, 2025, 6:09 p.m. |
|
INSM
|
Sale | 28,390 | Feb 06, 2025 | Feb. 7, 2025, 6:10 p.m. |
|
INSM
|
Sale | 3,470 | Jan 07, 2025 | Jan. 10, 2025, 7:45 p.m. |
|
INSM
|
Sale | 1,464 | Jan 08, 2025 | Jan. 10, 2025, 7:45 p.m. |
|
INSM
|
Sale | 1,066 | Jan 10, 2025 | Jan. 10, 2025, 7:45 p.m. |
|
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
-
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
-
Sara Bonstein, Chief Financial Officer
-
John Drayton Wise, Chief Commercial Officer
-
Michael Alexander Smith, Chief Legal Officer
-
Michael Alexander Smith, General Counsel, Senior VP
-
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.