Mark F. Raymond - 15 Aug 2025 Form 4 Insider Report for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)

Role
Director
Signature
/s/Alessandra Maria Corona Henriques, Attorney-in-Fact
Issuer symbol
MIAX
Transactions as of
15 Aug 2025
Net transactions value
$0
Form type
4
Filing time
19 Aug 2025, 16:05:34 UTC
Previous filing
13 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Raymond Mark F. Director C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON /s/Alessandra Maria Corona Henriques, Attorney-in-Fact 19 Aug 2025 0002080469

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MIAX Common Stock Conversion of derivative security +17,500 +66% 43,827 15 Aug 2025 Direct F1, F2
transaction MIAX Common Stock Conversion of derivative security +26,327 +150% 43,827 15 Aug 2025 Direct F1, F2

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 Series B Preferred Stock Conversion of derivative security $0 -17,500 -100% $0.000000 0 15 Aug 2025 Common Stock 17,500 Direct F1
transaction MIAX Nonvoting Common Stock Conversion of derivative security $0 -26,327 -100% $0.000000 0 15 Aug 2025 Common Stock 26,327 Direct F2
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 -16,000 -100% $0.000000 0 15 Aug 2025 Nonvoting Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 +16,000 $0.000000 16,000 15 Aug 2025 Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 -16,000 -100% $0.000000 0 15 Aug 2025 Nonvoting Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 +16,000 $0.000000 16,000 15 Aug 2025 Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 -16,000 -100% $0.000000 0 15 Aug 2025 Nonvoting Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 +16,000 $0.000000 16,000 15 Aug 2025 Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 -16,000 -100% $0.000000 0 15 Aug 2025 Nonvoting Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 +16,000 $0.000000 16,000 15 Aug 2025 Common Stock 16,000 $12.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 -20,000 -100% $0.000000 0 15 Aug 2025 Nonvoting Common Stock 20,000 $14.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 +20,000 $0.000000 20,000 15 Aug 2025 Common Stock 20,000 $14.00 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 -12,222 -100% $0.000000 0 15 Aug 2025 Nonvoting Common Stock 12,222 $16.14 Direct F3, F4
transaction MIAX Stock Option (Right to Buy) Options Exercise $0 +12,222 $0.000000 12,222 15 Aug 2025 Common Stock 12,222 $16.14 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 17,500 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering and which have no expiration date.
F2 Includes 26,327 shares of Nonvoting Common Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering and which have no expiration date.
F3 The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the initial public offering, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions.
F4 The options are fully vested.