Corporate insider profile

Thomas P. Gallagher Filing Activity

Latest reported as Chairman & CEO of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX).

Purchase filings: 0
Reported companies: 1
Net open-market value: -$16,013,505.84
Latest transaction: Jun 2, 2026

Affiliated corporations

Reported company relationships

MIAXLatest reported

MIAMI INTERNATIONAL HOLDINGS, INC.

Chairman & CEO

Transaction history

Open-market Transactions

Open-market insider purchase and sale transactions
Date	Company	Role	Type	Shares	Price	Total value
Jun 2, 2026	MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)	Chairman & CEO	Sale	70,000	$42.36	$2,965,200
May 5, 2026	MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)	Chairman & CEO	Sale	15,771	$47.92	$755,746
May 4, 2026	MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)	Chairman & CEO	Sale	54,229	$47.26	$2,562,863
Jun 18, 2026	Executive Name	Chief Financial Officer	Sale	00,000	$00.00	$0,000,000
May 29, 2026	Executive Name	Director	Sale	0,000	$00.00	$000,000

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