DEITZEL EDWARD

PrivateCIK: 2080671
Location

PRINCETON, NJ

DEITZEL EDWARD (EVP, CRO, CCO MIAX Exchanges) sold 8.4% of their position (11K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market

Open‑market sale worth $462.4K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderDEITZEL EDWARDCIK 2080671
Officer· EVP, CRO, CCO MIAX Exchanges
Since Feb 2026
-11K
Net shares
Net seller
$462.4K
Total sold
1
Open market trades
0B · 1S
5
Total transactions
11K acquired · 22K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+7.33K

Price / share

$12.00

Trade value

$88K

% of position

6.1%
7/6/2026
119.60K126.93K

Common Stock

Direct
M · Option Exercise

Shares

+3.67K

Price / share

$12.00

Trade value

$44K

% of position

2.9%
7/6/2026
126.93K130.60K

Common Stock

Direct
S · Sale

Shares

11K

Price / share

$42.04

Trade value

$462.44K

% of position

8.4%
7/6/2026
130.60K119.60K
Total

Net shares

+0.00

Net value

-$330.44K

Derivative Transactions2

Nonqualified Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

7.33K shares

Shares

7.33K

Strike price

12

Held after

0.00

Exercisable

7/6/2026

Nonqualified Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

3.67K shares

Shares

3.67K

Strike price

12

Held after

88K

Exercisable

7/6/2026