DEITZEL EDWARD

PrivateCIK: 2080671
Location

PRINCETON, NJ

Senior insider sale

EVP, CRO, CCO MIAX Exchanges at MIAMI INTERNATIONAL HOLDINGS, INC. — senior position signals high conviction

$2.99M

66K shares

What this filing means

DEITZEL EDWARD plans to sell 66K shares of MIAMI INTERNATIONAL HOLDINGS, INC. valued at approximately $2.99M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderDEITZEL EDWARDCIK 2080671
Officer· EVP, CRO, CCO MIAX Exchanges
Since Feb 2026
66K
Shares to sell
$2.99M
Approx. market value
44K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Exercise of Stock Options

Cash

8/4/2026
44K
Total acquired44K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

11K

Market value

$462.4K

7/6/2026
Completed

Units to sell

11K

Market value

$463.8K

6/2/2026

Planned — Approximate Date

NYSEPlanned

Units to sell

44K

Market value

$2.06M

8/4/2026
Total

Units

66K

Value

$2.99M