Form 4 for MIAX MIAMI INTERNATIONAL HOLDINGS, INC.
Accepted 2026-08-06 16:10:12 ET · period of report 2026-08-04 · accession 0002080538-26-000006 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-08-06 16:10 | 2026-08-04 | MIAX | Jayabalan Harish | EVP, CRO, CISO | M - OptEx | $12.94 | +20.0K | 98.1K | +26% | +$258.8K |
| DT | 2026-08-06 16:10 | 2026-08-04 | MIAX | Jayabalan Harish | EVP, CRO, CISO | S - Sale+OE | $45.90 | -20.0K | 78.1K | -20% | -$918.0K |
| DMT | 2026-08-06 16:10 | 2026-08-04 | MIAX | Jayabalan Harish | EVP, CRO, CISO | M - OptEx | $0.00 | -20.0K | 17.6K | -53% | $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 | 2026-08-04 | M | A | 14,168 | $12.00 | 92,233 | D | — | — | (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on March 9, 2026. |
| 2 | Common | Common Stock | 2026-08-04 | M | A | 5,832 | $15.22 | 98,065 | D | — | — | (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on March 9, 2026. |
| 3 | Common | Common Stock | 2026-08-04 | S | D | 20,000 | $45.90 | 78,065 | D | — | — | (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on March 9, 2026. (F2) This transaction was executed in multiple trades throughout the day at prices ranging from $45.04 to $46.78. 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. |
| 4 | Derivative | Nonqualified Stock Option (Right to Buy) | 2026-08-04 | M | D | 14,168 | $0.00 | 0 | D | $12.00 · — to 2029-07-31 | 14,168 Common Stock | (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on March 9, 2026. (F3) The options are fully vested. |
| 5 | Derivative | Nonqualified Stock Option (Right to Buy) | 2026-08-04 | M | D | 5,832 | $0.00 | 17,598 | D | $15.22 · — to 2030-11-30 | 5,832 Common Stock | (F1) This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on March 9, 2026. (F3) The options are fully vested. |