Senior insider sale
EVP and CIO at MIAMI INTERNATIONAL HOLDINGS, INC. — senior position signals high conviction
$9.95M
240K shares
What this filing means
SCHAFER DOUGLAS M. JR plans to sell 240K shares of MIAMI INTERNATIONAL HOLDINGS, INC. valued at approximately $9.95M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 7/2/2026ACC: 0001950047-26-006829
Officer· EVP and CIO
Since Feb 2026
240K
Shares to sell
$9.95M
Approx. market value
144K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Exercise of Stock Options
Cash
7/2/2026
144KTotal acquired144K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
7/2/2026 | Exercise of Stock Options Cash | 144K | — |
| Total | 144K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
48K
Market value
$2.06M
6/2/2026
—Completed
Units to sell
48K
Market value
$2.27M
5/4/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
144K
Market value
$5.62M
7/2/2026
Total
Units
240K
Value
$9.95M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
6/2/2026 | 48K | $2.06M | — | Completed |
5/4/2026 | 48K | $2.27M | — | Completed |
| Planned — Approximate Date | ||||
7/2/2026 | 144K | $5.62M | NYSE | Planned |
| Total | 240K | $9.95M | ||