Form 4 for MKTX MARKETAXESS HOLDINGS INC
Accepted 2025-09-09 00:00:00 ET · period of report 2025-09-08 · accession 0000950170-25-113836 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2025-09-09 | 2025-09-08 | MKTX | Casper Stephen P | Dir | S - Sale | $186.59 | -1,600 | 43.2K | -4% | -$298.5K |
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, par value $0.003 per share | 2025-09-08 | S | D | 1,600 | $186.59 | 43,208 | I By family trust | — | — |