COMLY BARBARA J.

PrivateCIK: 2080878
Location

PRINCETON, NJ

COMLY BARBARA J. (EVP, GC & Corporate Secretary) sold 3.4% of their position (29.67K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market

Open‑market sale worth $1.29M — 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
-29.67K
Net shares
Net seller
$1.29M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
29.67K acquired · 59.33K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+29.67K

Price / share

$12.00

Trade value

$356K

% of position

3.5%
4/15/2026
843.84K873.51K

Common Stock

Direct
S · Sale

Shares

29.67K

Price / share

$43.64

Trade value

$1.29M

% of position

3.4%
4/15/2026
873.51K843.84K
Total

Net shares

+0.00

Net value

-$938.66K

Derivative Transactions1

Nonqualified Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

29.67K shares

Shares

29.67K

Strike price

12

Held after

112K

Exercisable

4/15/2026
COMLY BARBARA J. — Insider Transaction (Form 4) Filed Apr 17, 2026 | Finecho