SCHAFER DOUGLAS M. JR (EVP and CIO) sold 10.8% of their position (48K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market
Open‑market sale worth $1.91M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 3/18/2026ACC: 0001628280-26-019437
Officer· EVP and CIO
Since Feb 2026
-48K
Net shares
Net seller
$1.91M
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
12.1%
3/17/2026
396.68K→444.68K
Common Stock
Direct
Shares
−48K
Price / share
$39.74
Trade value
$1.91M
% of position
10.8%
3/17/2026
444.68K→396.68K
Total
Net shares
+0.00
Net value
-$1.33M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/17/2026 | M · Option Exercise | +48K | $12.00 | $576K | 12.1% | 396.68K | 444.68K |
| Common Stock Direct | 3/17/2026 | S · Sale | −48K | $39.74 | $1.91M | 10.8% | 444.68K | 396.68K |
| Total | +0.00 | -$1.33M | ||||||
Derivative Transactions1
Nonqualified Stock Option (Right to Buy)
Direct
Converts to
Common Stock
48K shares
Shares
−48K
Strike price
12
Held after
102K
Exercisable
—
3/17/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Nonqualified Stock Option (Right to Buy) Direct | Common Stock48K shares | 3/17/2026 | M · Option Exercise | −48K | 12 | — | 102K |