Form4insider filings, from the source

SEC Form 4 · accession 0002080878-26-000014

MIAMI INTERNATIONAL HOLDINGS, INC. · MIAX

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Barbara J. Comly
Officer — EVP, GC & Corporate Secretary
Period of report
Aug 18, 2026
Accepted (ET)
Aug 20, 2026 · 4:11 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001438472

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Aug 18, 2026F43,420$42.41D839,564D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses