Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.
Accepted 2025-08-18 00:00:00 ET · period of report 2025-08-14 · accession 0001628280-25-040653 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-08-18 | 2025-08-15 | MIAX | Emmons Lance | EVP, CFO | C - Cnv Deriv | — | +57.6K | 94.2K | +158% | — |
| DI | 2025-08-18 | 2025-08-14 | MIAX | Emmons Lance | EVP, CFO | P - Purchase | $31.44 | +4 | 4 | New | +$125.76 |
| D | 2025-08-18 | 2025-08-15 | MIAX | Emmons Lance | EVP, CFO | C - Cnv Deriv | $0.00 | -57.6K | 0 | -100% | $0 |
| DM | 2025-08-18 | 2025-08-15 | MIAX | Emmons Lance | EVP, CFO | M - OptEx | $0.00 | 0 | 102.8K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-15 | C | A | 57,646 | — | 94,156 | D By son | — | — | (F1) Includes 57,646 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date. (F2) Mr. Emmons disclaims ownership of the shares owned by his son. |
| 2 | Common | Common Stock | 2025-08-14 | P | A | 4 | $31.44 | 4 | I | — | — | (F2) Mr. Emmons disclaims ownership of the shares owned by his son. |
| 3 | Derivative | Series B Preferred Stock | 2025-08-15 | C | D | 57,646 | $0.00 | 0 | D | — · — to — | 57,646 Common Stock | (F1) Includes 57,646 shares of Series B Preferred Stock that have been converted into shares of Common Stock on a one-for-one basis upon the closing of the Company's initial public offering ("IPO") and which have no expiration date. |
| 4 | Derivative | Nonqualified Stock Option (Right to Buy) | 2025-08-15 | M | A | 68,804 | $0.00 | 68,804 | D | $16.14 · — to 2031-09-09 | 68,804 Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 5 | Derivative | Incentive Stock Option (Right to Buy) | 2025-08-15 | M | A | 22,221 | $0.00 | 22,221 | D | $13.50 · — to 2030-03-05 | 22,221 Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 6 | Derivative | Incentive Stock Option (Right to Buy) | 2025-08-15 | M | D | 6,195 | $0.00 | 0 | D | $16.14 · — to 2031-09-09 | 6,195 Nonvoting Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 7 | Derivative | Incentive Stock Option (Right to Buy) | 2025-08-15 | M | D | 22,221 | $0.00 | 0 | D | $13.50 · — to 2030-03-05 | 22,221 Nonvoting Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 8 | Derivative | Nonqualified Stock Option (Right to Buy) | 2025-08-15 | M | D | 68,804 | $0.00 | 0 | D | $16.14 · — to 2031-09-09 | 68,804 Nonvoting Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 9 | Derivative | Nonqualified Stock Option (Right to Buy) | 2025-08-15 | M | A | 125,000 | $0.00 | 125,000 | D | $15.22 · — to 2030-11-30 | 125,000 Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 10 | Derivative | Nonqualified Stock Option (Right to Buy) | 2025-08-15 | M | D | 125,000 | $0.00 | 0 | D | $15.22 · — to 2030-11-30 | 125,000 Nonvoting Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 11 | Derivative | Incentive Stock Option (Right to Buy) | 2025-08-15 | M | A | 6,195 | $0.00 | 6,195 | D | $16.14 · — to 2031-09-09 | 6,195 Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 12 | Derivative | Nonqualified Stock Option (Right to Buy) | 2025-08-15 | M | D | 102,779 | $0.00 | 0 | D | $13.50 · — to 2030-03-05 | 102,779 Nonvoting Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |
| 13 | Derivative | Nonqualified Stock Option (Right to Buy) | 2025-08-15 | M | A | 102,779 | $0.00 | 102,779 | D | $13.50 · — to 2030-03-05 | 102,779 Common Stock | (F3) The options were granted initially as the right to buy Nonvoting Common Stock. On the closing date of the IPO, these converted to the right to buy Common Stock instead of Nonvoting Common Stock, for the same price and under the same conditions. (F4) The options are fully vested. |