William Quan

Insider Reports History

Reporting-owner location: New York, NY
Latest reporting-owner signature: /s/ Patrick Wilson as Attorney-in-Fact for William Quan
Transaction source note: Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for William Quan

Form 4 holding Chief Technology Officer

MARKETAXESS HOLDINGS INC

Security class: Common Stock, par value $0.003 per share
Shares / value: 218
Estimated value: $35,965
Report date: 01 May 2026
Price: $164.98
Ownership: Direct

Insider Reports Filed by William Quan

4 MKTX

MARKETAXESS HOLDINGS INC

Report period: 01 May 2026
Transactions: 1
Transaction value: $0
Accepted by SEC: 04 May 2026, 16:15
Role: Chief Technology Officer
Next action: Open filing details

3 MKTX

MARKETAXESS HOLDINGS INC

Report period: 16 Mar 2026
Transactions: 0
Transaction value: $0
Accepted by SEC: 16 Mar 2026, 16:15
Role: Chief Technology Officer
Next action: Open filing details

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