Jane Chwick - 07 Aug 2026 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Reporting relationship: Director
Issuer ticker: MKTX
Reported as of: 07 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 07 Aug 2026, 16:15:07 UTC
Prior SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Patrick Wilson as Attorney-in-Fact for Jane Chwick

Key filing fact

Jane Chwick filed Form 4 for MARKETAXESS HOLDINGS INC (MKTX) on 07 Aug 2026.

Key facts

This page summarizes Jane Chwick's Form 4 filing for MARKETAXESS HOLDINGS INC (MKTX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 07 Aug 2026, 16:15.

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

CIK 0001589706 Primary reporting owner

Relationship: Director
Address: C/O MARKETAXESS HOLDINGS INC., 55 HUDSON YARDS, 15TH FLOOR, NEW YORK
Signature: /s/ Patrick Wilson as Attorney-in-Fact for Jane Chwick
Signature date: 07 Aug 2026

Shares, units, or other non-derivative securities reported in this filing.

MKTX transaction

Gift

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Explanation of responses 1 footnote

Footnote F1

The transaction reported involved a gift by the reporting person of 606 shares of Common Stock to a charitable donor advised fund.