COMLY BARBARA J.

PrivateCIK: 2080878
Location

PRINCETON, NJ

COMLY BARBARA J. (EVP, GC & Corporate Secretary) sold 5.0% of their position (44.45K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market

Open‑market sale worth $1.80M — a moderate reduction. 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
$1.80M
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

5.3%
9/2/2026
839.56K884.01K

Common Stock

Direct
S · Sale

Shares

44.45K

Price / share

$40.49

Trade value

$1.80M

% of position

5.0%
9/2/2026
884.01K839.56K
Total

Net shares

+0.00

Net value

-$1.27M

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

44.44K

Exercisable

9/2/2026