William D. Porteous Net Worth
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William D. Porteous has an estimated net worth of at least $17.2 million*, as of Oct. 29, 2025. They own 795,572 shares of BKSY stock. They have sold 570 shares of BKSY stock since 2021, for an estimated $6,070.
William D. Porteous $BKSY SEC Form 4 Insider Trading
William D. Porteous has filed a total of 1 insider trades in $BKSY since 2021. Their most recent trade was a sale of 570 shares, made on Dec 12, 2024. Their largest trade was a sale of 570 shares, made on Dec 12, 2024. We estimate that they now own 795,572 shares of $BKSY, worth an estimated $17.2 million.
Insider Trading at $BKSY
There have been a total of 27 insider trades reported at $BKSY since 2021, with 12,000 shares purchased and 304,855 shares sold. The most active insider traders in $BKSY stock have been Brian E O'Toole, Henry Edward Dubois, and Christiana L Lin. The most recent trade was a sale of 700 shares reported by Tracy Ward (SVP & Controller), made on Dec 12, 2025.
History of Insider Stock Trades by William D. Porteous
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
BKSY
|
Sale | 570 | Dec 12, 2024 | Dec. 16, 2024, 5:14 p.m. |
$BKSY Executives and Stock Owners with Insider Trades
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Brian E O'Toole, CEO and President
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Henry Edward Dubois, Chief Financial Officer
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Christiana L Lin, General Counsel & CAO
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Tracy Ward, SVP & Controller
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Christiana L Lin, General Counsel & Corp Sec
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Johan G Broekhuysen, Chief Financial Officer
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Tracy Ward, Principal Accounting 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.