4processed

Form 4 — Insider Transaction

MIAMI INTERNATIONAL HOLDINGS, INC.(MIAX)

Filing Date

June 16, 2026

Accepted

June 16, 2026

Accession No.

0002080703-26-000004

CIK

0001438472

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Smollen JohnEVP, New Product DevelopmentOther7.5K$0178.2KCommon StockJun 16, 2026
Smollen JohnEVP, New Product DevelopmentOther2.5K$02.5KIncentive Stock Option (Right to Buy)Jun 16, 2026
Smollen JohnEVP, New Product DevelopmentOther5.2K$05.2KNonqualified Stock Option (Right to Buy)Jun 16, 2026