SMOLLEN JOHN (EVP Traded Products & Relation) reported 2 transactions at MIAMI INTERNATIONAL HOLDINGS, INC.

Review the transaction codes below to understand the nature of each event.

SMOLLEN JOHN

Filed: 8/19/2025ACC: 0001628280-25-040795

InsiderSMOLLEN JOHNCIK 2080703

→

IssuerMIAMI INTERNATIONAL HOLDINGS, INC.CIK 1438472

Officer· EVP Traded Products & Relation

Since Aug 2025

+7.23K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

652.34K acquired · 645.11K disposed

Non-Derivative Transactions2

Common Stock

Direct

C · Conversion

+73.17K

Price / share

—

Trade value

—

% of position

New position

8/15/2025

-5K→68.17K

Common Stock

Indirect

C · Conversion

+91.67K

Price / share

—

Trade value

—

% of position

New position

8/15/2025

0.00→91.67K

Total

Net shares

+164.84K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/15/2025	C · Conversion	+73.17K	—	—	New position	-5K	68.17K
Common Stock Indirect	8/15/2025	C · Conversion	+91.67K	—	—	New position	0.00	91.67K
Total			+164.84K		$0.00

Derivative Transactions22

Series B Preferred Stock

Indirect

C · Conversion

Converts to

Common Stock

91.67K shares

−91.67K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Nonvoting Common Stock

Direct

C · Conversion

Converts to

Common Stock

65.95K shares

−65.95K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Series B Preferred Stock

25K shares

−25K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

25K shares

+25K

Strike price

Held after

25K

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

25K shares

−25K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

25K shares

+25K

Strike price

Held after

25K

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

8.33K shares

−8.33K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

8.33K shares

+8.33K

Strike price

Held after

8.33K

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

6.57K shares

−6.57K

Strike price

15.22

Held after

0.00

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

6.57K shares

+6.57K

Strike price

15.22

Held after

6.57K

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

7.76K shares

−7.76K

Strike price

25.78

Held after

0.00

Exercisable

—

8/15/2025

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

7.76K shares

+7.76K

Strike price

25.78

Held after

7.76K

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Series B Preferred Stock

125K shares

−125K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

125K shares

+125K

Strike price

Held after

125K

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

75K shares

−75K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

75K shares

+75K

Strike price

Held after

75K

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

104.17K shares

−104.17K

Strike price

Held after

0.00

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

104.17K shares

+104.17K

Strike price

Held after

104.17K

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

80.93K shares

−80.93K

Strike price

15.22

Held after

0.00

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

80.93K shares

+80.93K

Strike price

15.22

Held after

80.93K

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Nonvoting Common Stock

29.74K shares

−29.74K

Strike price

25.78

Held after

0.00

Exercisable

—

8/15/2025

Nonqualified Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

29.74K shares

+29.74K

Strike price

25.78

Held after

29.74K

Exercisable

—

8/15/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Series B Preferred Stock Indirect	Common Stock91.67K shares	8/15/2025	C · Conversion	−91.67K		—	0.00
Nonvoting Common Stock Direct	Common Stock65.95K shares	8/15/2025	C · Conversion	−65.95K		—	0.00
Incentive Stock Option (Right to Buy) Direct	Series B Preferred Stock25K shares	8/15/2025	M · Option Exercise	−25K	12	—	0.00
Incentive Stock Option (Right to Buy) Direct	Common Stock25K shares	8/15/2025	M · Option Exercise	+25K	12	—	25K
Incentive Stock Option (Right to Buy) Direct	Nonvoting Common Stock25K shares	8/15/2025	M · Option Exercise	−25K	12	—	0.00
Incentive Stock Option (Right to Buy) Direct	Common Stock25K shares	8/15/2025	M · Option Exercise	+25K	12	—	25K
Incentive Stock Option (Right to Buy) Direct	Nonvoting Common Stock8.33K shares	8/15/2025	M · Option Exercise	−8.33K	12	—	0.00
Incentive Stock Option (Right to Buy) Direct	Common Stock8.33K shares	8/15/2025	M · Option Exercise	+8.33K	12	—	8.33K
Incentive Stock Option (Right to Buy) Direct	Nonvoting Common Stock6.57K shares	8/15/2025	M · Option Exercise	−6.57K	15.22	—	0.00
Incentive Stock Option (Right to Buy) Direct	Common Stock6.57K shares	8/15/2025	M · Option Exercise	+6.57K	15.22	—	6.57K
Incentive Stock Option (Right to Buy) Direct	Nonvoting Common Stock7.76K shares	8/15/2025	M · Option Exercise	−7.76K	25.78	—	0.00
Incentive Stock Option (Right to Buy) Direct	Common Stock7.76K shares	8/15/2025	M · Option Exercise	+7.76K	25.78	—	7.76K
Nonqualified Stock Option (Right to Buy) Direct	Series B Preferred Stock125K shares	8/15/2025	M · Option Exercise	−125K	12	—	0.00
Nonqualified Stock Option (Right to Buy) Direct	Common Stock125K shares	8/15/2025	M · Option Exercise	+125K	12	—	125K
Nonqualified Stock Option (Right to Buy) Direct	Nonvoting Common Stock75K shares	8/15/2025	M · Option Exercise	−75K	12	—	0.00
Nonqualified Stock Option (Right to Buy) Direct	Common Stock75K shares	8/15/2025	M · Option Exercise	+75K	12	—	75K
Nonqualified Stock Option (Right to Buy) Direct	Nonvoting Common Stock104.17K shares	8/15/2025	M · Option Exercise	−104.17K	12	—	0.00
Nonqualified Stock Option (Right to Buy) Direct	Common Stock104.17K shares	8/15/2025	M · Option Exercise	+104.17K	12	—	104.17K
Nonqualified Stock Option (Right to Buy) Direct	Nonvoting Common Stock80.93K shares	8/15/2025	M · Option Exercise	−80.93K	15.22	—	0.00
Nonqualified Stock Option (Right to Buy) Direct	Common Stock80.93K shares	8/15/2025	M · Option Exercise	+80.93K	15.22	—	80.93K
Nonqualified Stock Option (Right to Buy) Direct	Nonvoting Common Stock29.74K shares	8/15/2025	M · Option Exercise	−29.74K	25.78	—	0.00
Nonqualified Stock Option (Right to Buy) Direct	Common Stock29.74K shares	8/15/2025	M · Option Exercise	+29.74K	25.78	—	29.74K