Thomas P. Gallagher - 13 Aug 2025 Form 4 Insider Report for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Signature
/s/Alessandra Maria Corona Henriques, Attorney-in-Fact
Issuer symbol
MIAX
Transactions as of
13 Aug 2025
Net transactions value
+$276,000
Form type
4
Filing time
15 Aug 2025, 16:48:29 UTC
Next filing
19 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gallagher Thomas P. Chairman & CEO, Director C/O MIAMI INTERNATIONAL HOLDINGS, INC, 7 ROSZEL ROAD, SUITE 1A, PRINCETON /s/Alessandra Maria Corona Henriques, Attorney-in-Fact 15 Aug 2025 0002080477

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MIAX Common Stock Purchase $276,000 +12,000 $23.00 12,000 13 Aug 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 12,000 shares of common stock jointly with his spouse with right of survival