John Beckelman - Aug 13, 2025 Form 3 Insider Report for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Role
Director
Signature
/s/Alessandra Maria Corona Henriques, Attorney-in-Fact
Stock symbol
MIAX
Transactions as of
Aug 13, 2025
Transactions value $
$0
Form type
3
Date filed
8/13/2025, 05:09 PM
Next filing
Aug 19, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Beckelman John Director C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON /s/Alessandra Maria Corona Henriques, Attorney-in-Fact 2025-08-13 0002080508

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding MIAX Stock Option (Right to Buy) Aug 13, 2025 Nonvoting Common Stock 8.67K $12.00 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The options are fully vested. The options were granted initially as the right to buy nonvoting common stock. On the closing date of the Company's initial public offering of its common stock, these will convert to the right to buy common stock instead of nonvoting common stock.

Remarks:

See Exhibit 24.1 - Power of Attorney