Shelly Brown - 10 Sep 2025 Form 4 Insider Report for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Signature
/s/Alessandra Maria Corona Henriques, Attorney-in-Fact
Issuer symbol
MIAX
Transactions as of
10 Sep 2025
Net transactions value
-$599,377
Form type
4
Filing time
11 Sep 2025, 16:05:41 UTC
Previous filing
28 Aug 2025
Next filing
17 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brown Shelly EVP, Strat. Planning & BD C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON /s/Alessandra Maria Corona Henriques, Attorney-in-Fact 11 Sep 2025 0002080506

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MIAX Common Stock Tax liability $599,377 -16,283 -5% $36.81 311,699 10 Sep 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares that have been surrendered to the Company to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock awards and does not represent a sale by the reporting person.