Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.
Accepted 2026-06-18 16:24:04 ET · period of report 2026-06-16 · accession 0002079445-26-000013 · 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 | 2026-06-18 16:24 | 2026-06-16 | MIAX | Schafer Douglas M. JR | EVP, CIO | A - Grant | $0.00 | +23.3K | 387.4K | +6% | $0 |
| DM | 2026-06-18 16:24 | 2026-06-16 | MIAX | Schafer Douglas M. JR | EVP, CIO | A - Grant | $0.00 | +24.0K | 21.5K | 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 | 2026-06-16 | A | A | 23,298 | $0.00 | 387,414 | D | — | — | (F1) The amount represents restricted stock units ("RSUs") that vest as to 7,766 on June 16, 2027, 7,766 on June 16, 2028 and the remaining 7,766 on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through each applicable vesting date. |
| 2 | Derivative | Incentive Stock Option (Right to Buy) | 2026-06-16 | A | A | 2,485 | $0.00 | 2,485 | D | $40.24 · — to 2036-06-15 | 2,485 Common Stock | (F2) 829 of the shares subject to this option will vest on June 16, 2027, 828 of the shares subject to this option will vest on June 16, 2028 and the remaining 828 of the shares subject to this option will vest on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| 3 | Derivative | Nonqualified Stock Option (Right to Buy) | 2026-06-16 | A | A | 21,481 | $0.00 | 21,481 | D | $40.24 · — to 2036-06-15 | 21,481 Common Stock | (F3) 7,161 of the shares subject to this option will vest on June 16, 2027, 7,160 of the shares subject to this option will vest on June 16, 2028 and the remaining 7,160 of the shares subject to this option will vest on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |