Cees Vermaas - 13 Aug 2025 Form 4 Insider Report for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Role
CEO of TISEG
Signature
/s/Alessandra Maria Corona Henriques, Attorney-in-Fact
Issuer symbol
MIAX
Transactions as of
13 Aug 2025
Net transactions value
$0
Form type
4
Filing time
15 Aug 2025, 16:48:52 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vermaas Cees CEO of TISEG C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON /s/Alessandra Maria Corona Henriques, Attorney-in-Fact 13 Aug 2025 0002080668

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
transaction MIAX Nonqualified Stock Option (Right to Buy) Award $0 +15,000 $0.000000 15,000 13 Aug 2025 Common Stock 15,000 $23.00 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 5,000 of the shares subject to this option will vest on each of August 13, 2026, August 13, 2027 and August 13, 2028, subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date.