Gallagher Thomas P.'s Form 4 filing
Miami International Holdings, Inc.MIAX · filed Jul 14, 2026
- Accession no.
- 0001628280-26-048149
- Filed
- Jul 14, 2026, 4:04 PM ET
- Trade date
- Jul 13, 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 $2.98M. 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 |
|---|---|
| Gallagher Thomas P.CIK 0002080477 | Director, Officer (Chairman & CEO) |
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 |
|---|---|---|---|---|---|---|---|---|
| Jul 13, 2026 | Common Stock | MOption exerciseAcquired | +70,000 | $12.00 | +$840,000 | 1,793,275 | Indirect | |
| Jul 13, 2026 | Common Stock | SSaleDisposed | −70,000 | $42.52F3 | −$2,976,400 | 1,723,275 | Indirect |
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 |
|---|---|---|---|---|---|---|---|---|
| Jul 13, 2026 | Common Stock | MOption exerciseDisposed | −70,000 | $0.00 | $0 | 0 | Indirect |
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.
- F3
This transaction was executed in multiple trades throughout the day at prices ranging from $42.00 to $43.49. The price reported above reflects the weighted average sales 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.