Schafer Douglas M. JR's Form 4 filing
Miami International Holdings, Inc. (MIAX) · filed Mar 18, 2026
- Accession no.
- 0001628280-26-019437
- Filed
- Mar 18, 2026
- Trade date
- Mar 17, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 2 non-derivative transactions and 1 derivative transaction. Open-market sales total $1.91M. It was filed 1 day after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Schafer Douglas M. JRCIK 0002079445 | Officer (EVP and CIO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | Common Stock | MOption exerciseAcquired | +48,000 | $12.00 | +$576,000 | 444,681 | Direct | |
| Mar 17, 2026 | Common Stock | SSaleDisposed | −48,000 | $39.74F2 | −$1,907,520 | 396,681 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | Common Stock | MOption exerciseDisposed | −48,000 | $0.00 | $0 | 102,000 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
This transaction was executed in multiple trades throughout the day at prices ranging from $39.51 to $39.94. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 1 transaction in Table I.