SCHAFER DOUGLAS M. JR (EVP and CIO) sold 9.4% of their position (40K shares) of MIAMI INTERNATIONAL HOLDINGS, INC. on the open market
Open‑market sale worth $1.33M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 10/6/2026ACC: 0001628280-26-065268
Officer· EVP and CIO
Since Feb 2026
-40K
Net shares
Net seller
$1.33M
Total sold
1
Open market trades
0B · 1S
3
Total transactions
40K acquired · 80K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+40K
Price / share
$12.00
Trade value
$480K
% of position
10.3%
10/2/2026
387.41K→427.41K
Common Stock
Direct
Shares
−40K
Price / share
$33.34
Trade value
$1.33M
% of position
9.4%
10/2/2026
427.41K→387.41K
Total
Net shares
+0.00
Net value
-$853.60K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 10/2/2026 | M · Option Exercise | +40K | $12.00 | $480K | 10.3% | 387.41K | 427.41K |
| Common Stock Direct | 10/2/2026 | S · Sale | −40K | $33.34 | $1.33M | 9.4% | 427.41K | 387.41K |
| Total | +0.00 | -$853.60K | ||||||
Derivative Transactions1
Nonqualified Stock Option (Right to Buy)
Direct
Converts to
Common Stock
40K shares
Shares
−40K
Strike price
12
Held after
155.33K
Exercisable
—
10/2/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Nonqualified Stock Option (Right to Buy) Direct | Common Stock40K shares | 10/2/2026 | M · Option Exercise | −40K | 12 | — | 155.33K |