COMLY BARBARA J.

PrivateCIK: 2080878
Location

PRINCETON, NJ

COMLY BARBARA J. (EVP, GC & Corporate Secretary) sold 4.8% of their position (44.45K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market

Open‑market sale worth $2.03M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderCOMLY BARBARA J.CIK 2080878
Officer· EVP, GC & Corporate Secretary
Since Mar 2026
-44.45K
Net shares
Net seller
$2.03M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
44.45K acquired · 88.89K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+44.45K

Price / share

$12.00

Trade value

$533.34K

% of position

5.0%
8/4/2026
882.98K927.43K

Common Stock

Direct
S · Sale

Shares

44.45K

Price / share

$45.69

Trade value

$2.03M

% of position

4.8%
8/4/2026
927.43K882.98K
Total

Net shares

+0.00

Net value

-$1.50M

Derivative Transactions1

Nonqualified Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

44.45K shares

Shares

44.45K

Strike price

12

Held after

88.89K

Exercisable

8/4/2026