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 $503.6K — 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
$503.6K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
11K acquired · 22K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+11K

Price / share

$12.00

Trade value

$132K

% of position

9.2%
8/4/2026
119.60K130.60K

Common Stock

Direct
S · Sale

Shares

11K

Price / share

$45.78

Trade value

$503.58K

% of position

8.4%
8/4/2026
130.60K119.60K
Total

Net shares

+0.00

Net value

-$371.58K

Derivative Transactions1

Nonqualified Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

11K shares

Shares

11K

Strike price

12

Held after

77K

Exercisable

8/4/2026