Senior insider sale
EVP and CIO at MIAMI INTERNATIONAL HOLDINGS, INC. — senior position signals high conviction
$5.69M
144K shares
What this filing means
SCHAFER DOUGLAS M. JR plans to sell 144K shares of MIAMI INTERNATIONAL HOLDINGS, INC. valued at approximately $5.69M. 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: 3/17/2026ACC: 0001950047-26-002725
Officer· EVP and CIO
Since Feb 2026
144K
Shares to sell
$5.69M
Approx. market value
144K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Exercise of Stock Options
Cash
3/17/2026
144KTotal acquired144K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
3/17/2026 | Exercise of Stock Options Cash | 144K | — |
| Total | 144K | ||
Planned & Completed Dispositions1
NYSEPlanned
Units to sell
144K
Market value
$5.69M
3/17/2026
Total
Units
144K
Value
$5.69M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
3/17/2026 | 144K | $5.69M | NYSE | Planned |
| Total | 144K | $5.69M | ||