GALLAGHER THOMAS P. (Chairman & CEO) sold 0.9% of their position (15.77K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market
Open‑market sale worth $755.7K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 5/7/2026ACC: 0002080477-26-000006
DirectorOfficer· Chairman & CEO
Since Feb 2026
-15.77K
Net shares
Net seller
$755.7K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
15.77K acquired · 31.54K disposed
Non-Derivative Transactions2
Common Stock
Indirect
Shares
+15.77K
Price / share
$12.00
Trade value
$189.25K
% of position
0.9%
5/5/2026
1.72M→1.74M
Common Stock
Indirect
Shares
−15.77K
Price / share
$47.92
Trade value
$755.75K
% of position
0.9%
5/5/2026
1.74M→1.72M
Total
Net shares
+0.00
Net value
-$566.49K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 5/5/2026 | M · Option Exercise | +15.77K | $12.00 | $189.25K | 0.9% | 1.72M | 1.74M |
| Common Stock Indirect | 5/5/2026 | S · Sale | −15.77K | $47.92 | $755.75K | 0.9% | 1.74M | 1.72M |
| Total | +0.00 | -$566.49K | ||||||
Derivative Transactions1
Nonqualified Stock Option (Right to Buy)
Indirect
Converts to
Common Stock
15.77K shares
Shares
−15.77K
Strike price
12
Held after
210K
Exercisable
—
5/5/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Nonqualified Stock Option (Right to Buy) Indirect | Common Stock15.77K shares | 5/5/2026 | M · Option Exercise | −15.77K | 12 | — | 210K |