InsiderTrades

Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.

Accepted 2025-08-15 00:00:00 ET · period of report 2025-08-13 · accession 0001628280-25-040557 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-08-15 2025-08-13 MIAX Gallagher Thomas P. COB, CEO, Dir P - Purchase $23.00 +12.0K 12.0K New +$276.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-13 P A 12,000 $23.00 12,000 D — — (F1) 12,000 shares of common stock jointly with his spouse with right of survival