InsiderTrades

Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.

Accepted 2025-12-29 00:00:00 ET · period of report 2025-12-23 · accession 0002080477-25-000012 · 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
2025-12-29 2025-12-23 MIAX Gallagher Thomas P. COB, CEO, Dir G - Gift — -2,000 586.0K -0.3% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-23 G D 2,000 — 585,963 D — — (F1) Bona fide gift by Reporting Person of 2,000 shares of common stock to his son. The shares are subject to a lockup agreement entered into by the Reporting Person on December 11, 2025 (the "Lock-up Agreement"). The transferee has agreed to be bound by the terms of the Lock-up Agreement. (F2) Price is not applicable to acquisitions or dispositions resulting from bona fide gifts. (F3) Includes 12,000 shares of common stock, which are held jointly with the Reporting Person's spouse with right of survival.