Form4insider filings, from the source

Insider · CIK 0001720194

Emily Hope Portney

Files at: MKTX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 12, 2026 GForm 4 →Aug 13, 4:15 pm EDTMARKETAXESS HOLDINGS INCMKTX4,170——1,571—
Jun 10, 2026 AForm 4 →Jun 12, 4:15 pm EDTMARKETAXESS HOLDINGS INCMKTX1,390——2,174—
Aug 8, 2018 AForm 4 →Aug 10, 4:17 pm EDTMARKETAXESS HOLDINGS INCMKTX598——935— plan?
Nov 1, 2017 AForm 4 →Nov 2, 4:06 pm EDTMARKETAXESS HOLDINGS INCMKTX337——337— plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.