InsiderTrades

Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.

Accepted 2026-05-05 07:31:26 ET · period of report 2026-05-04 · accession 0002080678-26-000002 · 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
DT 2026-05-05 07:31 2026-05-04 MIAX Eckert Kurt M. Dir M - OptEx $12.00 +5,625 148.0K +4% +$67.5K
DT 2026-05-05 07:31 2026-05-04 MIAX Eckert Kurt M. Dir S - Sale+OE $47.29 -5,625 142.4K -4% -$266.0K
DT 2026-05-05 07:31 2026-05-04 MIAX Eckert Kurt M. Dir M - OptEx $0.00 -5,625 11.6K -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-04 M A 5,625 $12.00 148,000 D — — (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 18, 2025.
2 Common Common Stock 2026-05-04 S D 5,625 $47.29 142,375 D — — (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 18, 2025. (F2) This transaction was executed in multiple trades throughout the day at prices ranging from $47.09 to $47.53. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
3 Derivative Stock Option (Right to Buy) 2026-05-04 M D 5,625 $0.00 11,563 D $12.00 · — to 2027-05-31 5,625 Common Stock (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 18, 2025. (F3) The options are fully vested