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MIAX — MIAMI INTERNATIONAL HOLDINGS, INC.

Financials · Security Brokers, Dealers & Flotation Companies · NYSE

CIK 0001438472 · All Form 4 filings on EDGAR ↗

Formerly: MIAMI INTERNATIONAL HOLDINGS INC (until 2008-06-23)

2Insiders filing
6Transactions
+$1.2MReported buys
−$4.2MReported sells
0Cluster events

Window in data: 2026-07-13 → 2026-07-13 · Data as of 2026-08-28

Insiders

InsiderRoleTxnsReported value
Gallagher Thomas P.Chairman & CEO6$7.6M
Comly Barbara J.EVP, GC & Corporate Secretary6$3.0M

Transaction history

Filing dateTrade dateTickerInsiderTypeSharesPriceValueCluster
2026-07-142026-07-13MIAXComly Barbara J. EVP, GC & Corporate Secretary 10b5-1M routine28,000$12.00+$336k
2026-07-142026-07-13MIAXComly Barbara J. EVP, GC & Corporate Secretary 10b5-1S28,000$41.98−$1.2M
2026-07-142026-07-13MIAXComly Barbara J. EVP, GC & Corporate Secretary 10b5-1M routine28,000
2026-07-142026-07-13MIAXGallagher Thomas P. Chairman & CEO 10b5-1M routine70,000$12.00+$840k
2026-07-142026-07-13MIAXGallagher Thomas P. Chairman & CEO 10b5-1S70,000$42.52−$3.0M
2026-07-142026-07-13MIAXGallagher Thomas P. Chairman & CEO 10b5-1M routine70,000