Thomas P. Gallagher

Holdings History for MIAMI INTERNATIONAL HOLDINGS, INC. - Common Stock (MIAX)

Symbol: MIAX on NYSE
Investment type: Equity / Common Stock
Latest Disclosed Ownership: 4.04M shares
Security Ownership: 4.9%

Thomas P. Gallagher ownership in MIAMI INTERNATIONAL HOLDINGS, INC. Common Stock (MIAX)

2025-08-28 - Thomas P. Gallagher has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4.04M shares of MIAMI INTERNATIONAL HOLDINGS, INC. Common Stock (MIAX). This represents 4.9% percent ownership of the company. In their previous filing dated 2025-08-21, Gallagher Thomas P. had reported owning 4.23M shares, indicating a decrease of -4.5% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Thomas P. Gallagher	4.9%	-4%		4.04M	-190,220	-4.5%		13D/A	8/26/2025	28 Aug 2025 16:30:05
Thomas P. Gallagher	5.1%			4.23M				13D	8/14/2025	21 Aug 2025 16:24:37