Thomas P. Gallagher

MIAX

Thomas P. Gallagher serves as director, officer: Chairman & CEO at Miami International Holdings, Inc. (MIAX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$276.0K

Total Sells

1 trades

$9.73M

Net Position

Net Seller

$9.45M

Companies Traded

MIAX

Active Period

Aug 2025 – Apr 2026

2 total trades

Most Recent

Sell MIAX

Apr 17, 2026 · $9.73M

Thomas P. Gallagher's Insider Trading at Miami International Holdings, Inc. (MIAX)

Buys

1 · $276.0K

Sells

1 · $9.73M

Total Shares Bought

12,000

Total Shares Sold

224,025

MIAX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Apr 17, 2026	Sell	224,025	$43.43	$9.73M	1,827,399
Aug 15, 2025	Buy	12,000	$23.00	$276.0K	12,000

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