4processed

Form 4 — Insider Transaction

MIAMI INTERNATIONAL HOLDINGS, INC.(MIAX)

Filing Date

June 2, 2026

Accepted

June 2, 2026

Accession No.

0002079445-26-000009

CIK

0001438472

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Schafer Douglas M. JREVP and CIOOther48.0K$12444.7KCommon StockJun 2, 2026
Schafer Douglas M. JREVP and CIOOther48.0K$42.84396.7KCommon StockJun 2, 2026
Schafer Douglas M. JREVP and CIOOther48.0K$06.0KNonqualified Stock Option (Right to Buy)Jun 2, 2026