SCHAFER DOUGLAS M. JR (EVP and CIO) sold 11.0% of their position (48K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market
Open‑market sale worth $2.19M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 8/6/2026ACC: 0002079445-26-000015
Officer· EVP and CIO
Since Feb 2026
-48K
Net shares
Net seller
$2.19M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
48K acquired · 96K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+48K
Price / share
$12.00
Trade value
$576K
% of position
12.4%
8/4/2026
387.41K→435.41K
Common Stock
Direct
Shares
−48K
Price / share
$45.71
Trade value
$2.19M
% of position
11.0%
8/4/2026
435.41K→387.41K
Total
Net shares
+0.00
Net value
-$1.62M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/4/2026 | M · Option Exercise | +48K | $12.00 | $576K | 12.4% | 387.41K | 435.41K |
| Common Stock Direct | 8/4/2026 | S · Sale | −48K | $45.71 | $2.19M | 11.0% | 435.41K | 387.41K |
| Total | +0.00 | -$1.62M | ||||||
Derivative Transactions1
Nonqualified Stock Option (Right to Buy)
Direct
Converts to
Common Stock
48K shares
Shares
−48K
Strike price
12
Held after
43.33K
Exercisable
—
8/4/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Nonqualified Stock Option (Right to Buy) Direct | Common Stock48K shares | 8/4/2026 | M · Option Exercise | −48K | 12 | — | 43.33K |