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Insider Trading

Thomas P. Gallagher Net Worth

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Last Updated: 4 days, 13 hours ago

Thomas P. Gallagher has an estimated net worth of at least $66.0 million*, as of Aug. 20, 2025. They own 2.1 million shares of MIAX stock. They have sold 0 shares of MIAX stock since 2021, for an estimated $-276,000.

Thomas P. Gallagher $MIAX SEC Form 4 Insider Trading

Thomas P. Gallagher has filed a total of 1 insider trades in $MIAX since 2021. Their most recent trade was a purchase of 12,000 shares, made on Aug 13, 2025. Their largest trade was a purchase of 12,000 shares, made on Aug 13, 2025. We estimate that they now own 2.1 million shares of $MIAX, worth an estimated $66.3 million.



Insider Trading at $MIAX

There have been a total of 13 insider trades reported at $MIAX since 2021, with 37,604 shares purchased and 0 shares sold. The most active insider traders in $MIAX stock have been Edward Deitzel, Harish Jayabalan, and John Smollen. The most recent trade was a purchase of 4 shares reported by Lance Emmons (EVP and CFO), made on Aug 14, 2025.



History of Insider Stock Trades by Thomas P. Gallagher

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
MIAX logo MIAX Purchase 12,000 Aug 13, 2025 Aug. 15, 2025, 4:48 p.m.




$MIAX 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.