Transaction #35030 · Form 4 · 0002080878-26-000018

MIAMI INTERNATIONAL HOLDINGS, INC. · Exercise / conversion · Common Stock

MIAMI INTERNATIONAL HOLDINGS, INC. · Transacted October 22, 2026 · Filed October 26, 2026

Original SEC filing ↗

What does this filing report?

An SEC Form 4 filing for MIAMI INTERNATIONAL HOLDINGS, INC. records an exercise / conversion involving Common Stock on October 22, 2026. The reported quantity was 12,306. The filing date is October 26, 2026. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Transaction details

Company CIK
0001438472
Security type
Non-derivative
Acquisition type
Exercise / conversion · Code M
Quantity acquired
12,306
Reported price
12
Reference value
147,672
Currency
Currency not specified
Ownership
Direct
Holdings after transaction
851,870
Ownership description
Not reported
SEC acceptance time
Oct 26, 2026, 4:06 PM EDT
10b5-1 indication
Indicated in filing

Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.

Reporting owners

These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.

Company listings

MIAX · NYSE · linked security

The linked listing is identified separately from other current company listings.

Filing footnotes & remarks

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 $35.00 to $35.14. The price reported above reflects the weighted average sales 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.
F3
The options are fully vested.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.

This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.