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Insider Trading

Last Updated: 1 day, 2 hours ago

Denis Mendonca has an estimated net worth of at least $11.3 million*, as of yesterday. They own 156,228 shares of IBKR stock. They have sold 8,591 shares of IBKR stock since 2021, for an estimated $644,325.

Denis Mendonca $IBKR SEC Form 4 Insider Trading

Denis Mendonca has filed a total of 1 insider trades in $IBKR since 2021. Their most recent trade was a sale of 8,591 shares, made on Oct 21, 2021. Their largest trade was a sale of 8,591 shares, made on Oct 21, 2021. We estimate that they now own 156,228 shares of $IBKR, worth an estimated $10.7 million.



Insider Trading at $IBKR

There have been a total of 1219 insider trades reported at $IBKR since 2021, with 610 shares purchased and 12.4 million shares sold. The most active insider traders in $IBKR stock have been Thomas Peterffy, Thomas Aj Frank, and Paul Jonathan Brody. The most recent trade was a purchase of 50 shares reported by Lori A Conkling (None), made on Feb 25, 2026.



History of Insider Stock Trades by Denis Mendonca

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
IBKR logo IBKR Sale 8,591 Oct 21, 2021 Oct. 21, 2021, 8 p.m.




$IBKR 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.