BROWN SHELLY (EVP, Chief Strategy Officer) exercised options at MIAMI INTERNATIONAL HOLDINGS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 5 exercises

BROWN SHELLY

Filed: 4/1/2026ACC: 0002080506-26-000005

InsiderBROWN SHELLYCIK 2080506

→

IssuerMIAMI INTERNATIONAL HOLDINGS, INC.CIK 1438472

Officer· EVP, Chief Strategy Officer

Since Feb 2026

-1.81K

Net shares

Net seller

$67.8K

Total sold

Open market trades

0B · 0S

Total transactions

30.02K acquired · 31.82K disposed

Non-Derivative Transactions6

Common Stock

Direct

F · Tax Withholding

−1.81K

Price / share

$37.50

Trade value

$67.84K

% of position

0.6%

3/30/2026

299.20K→297.39K

Common Stock

Direct

M · Option Exercise

+8.33K

Price / share

$12.00

Trade value

$100K

% of position

2.8%

3/30/2026

297.39K→305.72K

Common Stock

Direct

M · Option Exercise

+6.57K

Price / share

$15.22

Trade value

$100K

% of position

2.1%

3/30/2026

305.72K→312.29K

Common Stock

Direct

M · Option Exercise

+6.20K

Price / share

$16.14

Trade value

$99.99K

% of position

2.0%

3/30/2026

312.29K→318.49K

Common Stock

Direct

M · Option Exercise

+3.88K

Price / share

$25.78

Trade value

$99.97K

% of position

1.2%

3/30/2026

318.49K→322.36K

Common Stock

Direct

M · Option Exercise

+5.04K

Price / share

$19.84

Trade value

$99.99K

% of position

1.6%

3/30/2026

322.36K→327.40K

Total

Net shares

+28.21K

Net value

$432.11K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/30/2026	F · Tax Withholding	−1.81K	$37.50	$67.84K	0.6%	299.20K	297.39K
Common Stock Direct	3/30/2026	M · Option Exercise	+8.33K	$12.00	$100K	2.8%	297.39K	305.72K
Common Stock Direct	3/30/2026	M · Option Exercise	+6.57K	$15.22	$100K	2.1%	305.72K	312.29K
Common Stock Direct	3/30/2026	M · Option Exercise	+6.20K	$16.14	$99.99K	2.0%	312.29K	318.49K
Common Stock Direct	3/30/2026	M · Option Exercise	+3.88K	$25.78	$99.97K	1.2%	318.49K	322.36K
Common Stock Direct	3/30/2026	M · Option Exercise	+5.04K	$19.84	$99.99K	1.6%	322.36K	327.40K
Total			+28.21K		$432.11K

Derivative Transactions5

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

8.33K shares

−8.33K

Strike price

Held after

0.00

Exercisable

—

3/30/2026

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

0.00

Exercisable

—

3/30/2026

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

6.20K shares

−6.20K

Strike price

16.14

Held after

0.00

Exercisable

—

3/30/2026

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

3.88K shares

−3.88K

Strike price

25.78

Held after

0.00

Exercisable

—

3/30/2026

Incentive Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

5.04K shares

−5.04K

Strike price

19.84

Held after

0.00

Exercisable

—

3/30/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable
Incentive Stock Option (Right to Buy) Direct	Common Stock8.33K shares	3/30/2026	M · Option Exercise	−8.33K	12	—
Incentive Stock Option (Right to Buy) Direct	Common Stock6.57K shares	3/30/2026	M · Option Exercise	−6.57K	15.22	—
Incentive Stock Option (Right to Buy) Direct	Common Stock6.20K shares	3/30/2026	M · Option Exercise	−6.20K	16.14	—
Incentive Stock Option (Right to Buy) Direct	Common Stock3.88K shares	3/30/2026	M · Option Exercise	−3.88K	25.78	—
Incentive Stock Option (Right to Buy) Direct	Common Stock5.04K shares	3/30/2026	M · Option Exercise	−5.04K	19.84	—