Thomas P. Gallagher Net Worth
Track Major Insider Updates On X/TwitterLast Updated: 6 days, 4 hours ago
Thomas P. Gallagher has an estimated net worth of at least $124.0 million*, as of April 29, 2026. They own 2.4 million shares of MIAX stock. They have sold 278,254 shares of MIAX stock since 2021, for an estimated $9.5 million.
Thomas P. Gallagher $MIAX SEC Form 4 Insider Trading
Thomas P. Gallagher has filed a total of 5 insider trades in $MIAX since 2021. Their most recent trade was a sale of 54,229 shares, made on May 04, 2026. Their largest trade was a sale of 104,124 shares, made on Apr 15, 2026. We estimate that they now own 2.4 million shares of $MIAX, worth an estimated $114.6 million.
Insider Trading at $MIAX
There have been a total of 42 insider trades reported at $MIAX since 2021, with 88,919 shares purchased and 687,475 shares sold. The most active insider traders in $MIAX stock have been Edward Deitzel, Shelly Brown, and Thomas P. Gallagher. The most recent trade was a sale of 54,229 shares reported by Thomas P. Gallagher (Chairman & CEO), made on May 04, 2026.
History of Insider Stock Trades by Thomas P. Gallagher
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
MIAX
|
Sale | 54,229 | May 04, 2026 | May 5, 2026, 8:17 a.m. |
|
MIAX
|
Sale | 70,001 | Apr 15, 2026 | April 17, 2026, 4:17 p.m. |
|
MIAX
|
Sale | 104,124 | Apr 15, 2026 | April 17, 2026, 4:17 p.m. |
|
MIAX
|
Sale | 49,900 | Apr 15, 2026 | April 17, 2026, 4:17 p.m. |
|
MIAX
|
Purchase | 12,000 | Aug 13, 2025 | Aug. 15, 2025, 4:48 p.m. |
$MIAX Executives and Stock Owners with Insider Trades
-
Edward Deitzel, EVP, CRO, CCO MIAX Exchanges
-
Shelly Brown, EVP, Chief Strategy Officer
-
Thomas P. Gallagher, Chairman & CEO
-
Barbara J. Comly, EVP, GC & Corporate Secretary
-
Douglas M. Jr Schafer, EVP and CIO
-
Harish Jayabalan, EVP, CISO and CRO
-
John Smollen, EVP Traded Products & Relation
-
Lance Emmons, EVP and CFO
*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.