InsiderTrades

Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.

Accepted 2026-05-05 08:16:56 ET · period of report 2026-05-04 · accession 0001628280-26-030145 · 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 08:16 2026-05-04 MIAX Deitzel Edward EVP, CRO, CCO MIAX Exchanges M - OptEx $12.00 +11.0K 127.2K +9% +$132.0K
DT 2026-05-05 08:16 2026-05-04 MIAX Deitzel Edward EVP, CRO, CCO MIAX Exchanges S - Sale+OE $47.28 -11.0K 116.2K -9% -$520.1K
DT 2026-05-05 08:16 2026-05-04 MIAX Deitzel Edward EVP, CRO, CCO MIAX Exchanges M - OptEx $0.00 -11.0K 18.3K -38% $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 11,000 $12.00 127,221 D — — (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 30, 2025.
2 Common Common Stock 2026-05-04 S D 11,000 $47.28 116,221 D — — (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 30, 2025. (F2) This transaction was executed in multiple trades throughout the day at prices ranging from $46.92 to $47.65. 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 Nonqualified Stock Option (Right to Buy) 2026-05-04 M D 11,000 $0.00 18,333 D $12.00 · — to 2028-05-17 11,000 Common Stock (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 30, 2025. (F3) The options are fully vested.