InsiderTrades

Form 4 for MKTX MARKETAXESS HOLDINGS INC

Accepted 2025-08-15 00:00:00 ET · period of report 2025-08-13 · accession 0000950170-25-109397 · 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 2025-08-15 2025-08-13 MKTX Portney Emily Hope Dir G - Gift $0.00 +3,656 3,656 New $0
2025-08-15 2025-08-13 MKTX Portney Emily Hope Dir G - Gift $0.00 -3,656 784 -82% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.003 per share 2025-08-13 G A 3,656 $0.00 3,656 I — —
2 Common Common Stock, par value $0.003 per share 2025-08-13 G D 3,656 $0.00 784 D By GRAT — —