GALLAGHER THOMAS P. (Chairman & CEO) sold 3.9% of their position (70K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market
Open‑market sale worth $2.97M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 6/4/2026ACC: 0002080477-26-000010
DirectorOfficer· Chairman & CEO
Since Feb 2026
-70K
Net shares
Net seller
$2.97M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
70K acquired · 140K disposed
Non-Derivative Transactions2
Common Stock
Indirect
Shares
+70K
Price / share
$12.00
Trade value
$840K
% of position
4.1%
6/2/2026
1.72M→1.79M
Common Stock
Indirect
Shares
−70K
Price / share
$42.36
Trade value
$2.97M
% of position
3.9%
6/2/2026
1.79M→1.72M
Total
Net shares
+0.00
Net value
-$2.13M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 6/2/2026 | M · Option Exercise | +70K | $12.00 | $840K | 4.1% | 1.72M | 1.79M |
| Common Stock Indirect | 6/2/2026 | S · Sale | −70K | $42.36 | $2.97M | 3.9% | 1.79M | 1.72M |
| Total | +0.00 | -$2.13M | ||||||
Derivative Transactions1
Nonqualified Stock Option (Right to Buy)
Indirect
Converts to
Common Stock
70K shares
Shares
−70K
Strike price
12
Held after
140K
Exercisable
—
6/2/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Nonqualified Stock Option (Right to Buy) Indirect | Common Stock70K shares | 6/2/2026 | M · Option Exercise | −70K | 12 | — | 140K |