TP

Thomas P. Gallagher

DELAYED 1 MONTH

Director, Chairman & CEO

MIAMI INTERNATIONAL HOLDINGS, INC.

Filings

4

Companies

1

Latest

Jun 2, 2026

Transactions

Signal

Ticker / Company

Insider

Transaction

Value

Filed

74
MIAXCLUSTER 8

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Sale

$3.0M

70,000 sh

Jun 4 8:37 PM

Jun 2, 2026

—

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Option Exercise

$840.0K

70,000 sh

Jun 4 8:37 PM

Jun 2, 2026

—

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Option Exercise

$300.0K

24,999 sh

May 13 8:26 PM

May 11, 2026

70
MIAXCLUSTER 7

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Sale

$755.7K

15,771 sh

May 7 8:07 PM

May 5, 2026

—

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Option Exercise

$189.3K

15,771 sh

May 7 8:07 PM

May 5, 2026

74
MIAXCLUSTER 7

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Sale

$2.6M

54,229 sh

May 5 12:17 PM

May 4, 2026

—

MIAMI INTERNATIONAL HOLDINGS, INC.

Thomas P. Gallagher

Director, Chairman & CEO

Option Exercise

$650.7K

54,229 sh

May 5 12:17 PM

May 4, 2026