Gallagher Thomas P.

Insider

Chairman & CEO

Trades at: MIAX

30D 90D 1Y

Net shares · 90d

-364.0K

0 buy · 364.0K sell

Net value · 90d

-$16.0M

$0 in · $16.0M out

Sentiment · 90d

Net selling

0% buying · 100% selling

Open-market trades · 90d

0 buy · 364.0K sell

Net buy / sell volume (all companies)

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions · open-market

Include grants & non-market

MIAX Sell·S
Jun 2, 26

Chairman & CEO · 10b5-1

$3.0M

70.0K sh · $42.36

Own -4%
MIAX Sell·S
May 5, 26

Chairman & CEO · 10b5-1

$755.7K

15.8K sh · $47.92

Own -1%
MIAX Sell·S
May 4, 26

Chairman & CEO · 10b5-1

$2.6M

54.2K sh · $47.26

Own -3%
MIAX Sell·S
Apr 15, 26

Chairman & CEO · 10b5-1

$2.2M

49.9K sh · $43.68

Own -9%
MIAX Sell·S
Apr 15, 26

Chairman & CEO · 10b5-1

$4.5M

104.1K sh · $43.36

Own -6%
MIAX Sell·S
Apr 15, 26

Chairman & CEO · 10b5-1

$3.0M

70.0K sh · $43.36

Own -4%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 2, 2026	MIAX	Chairman & CEO	Sell S	70.0K	-4%	$42.36	$3.0M
May 5, 2026	MIAX	Chairman & CEO	Sell S	15.8K	-1%	$47.92	$755.7K
May 4, 2026	MIAX	Chairman & CEO	Sell S	54.2K	-3%	$47.26	$2.6M
Apr 15, 2026	MIAX	Chairman & CEO	Sell S	49.9K	-9%	$43.68	$2.2M
Apr 15, 2026	MIAX	Chairman & CEO	Sell S	104.1K	-6%	$43.36	$4.5M
Apr 15, 2026	MIAX	Chairman & CEO	Sell S	70.0K	-4%	$43.36	$3.0M

About Gallagher Thomas P.

This profile aggregates every SEC Form 4 insider transaction reported by Gallagher Thomas P. across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.