4processed

Form 4 — Insider Transaction

MIAMI INTERNATIONAL HOLDINGS, INC.(MIAX)

Filing Date

June 16, 2026

Accepted

June 16, 2026

Accession No.

0002079445-26-000013

CIK

0001438472

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Schafer Douglas M. JREVP and CIOOther23.3K$0387.4KCommon StockJun 16, 2026
Schafer Douglas M. JREVP and CIOOther2.5K$02.5KIncentive Stock Option (Right to Buy)Jun 16, 2026
Schafer Douglas M. JREVP and CIOOther21.5K$021.5KNonqualified Stock Option (Right to Buy)Jun 16, 2026