Schedule 13D ownership disclosure

Miami International Holdings Inc

Common Stock, $0.001 par value per share (the "Common Stock") · CUSIP: 59356Q108

Event date: 2025-08-26

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • Thomas P. GallagherReported CIK 0002080477

    Shares: 4,036,237.00 · Class: 4.9%

  • Gallagher Investments LLC

    Shares: 3,385,136.00 · Class: 4.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0002080477-25-000007
Form type
SCHEDULE 13D/A
Filer
Gallagher Thomas P.
CIK
CIK 2080477
Filed
Aug 28, 2025
Reporting period
Aug 26, 2025
Description
Schedule 13D beneficial ownership

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