Dean Berry - 01 Oct 2025 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Reporting relationship: Group COO & CEO, EMEA & APAC
Issuer ticker: MKTX
Reported as of: 01 Oct 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Oct 2025, 16:15:18 UTC
Prior SEC filing: 29 Sep 2025
Source filing: View source filing
Reporting owner signature: /s/ Patrick Wilson, as Attorney-in-Fact for Dean Berry

Key filing fact

Dean Berry filed Form 4 for MARKETAXESS HOLDINGS INC (MKTX) on 02 Oct 2025.

Key facts

This page summarizes Dean Berry's Form 4 filing for MARKETAXESS HOLDINGS INC (MKTX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Oct 2025, 16:15.

Change

Previous filing in this sequence was filed on 29 Sep 2025.
Current net transaction value: $0.

Research use

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.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002078596 Primary reporting owner

Berry Dean

Relationship: Group COO & CEO, EMEA & APAC
Address: C/O MARKETAXESS HOLDINGS INC., 55 HUDSON YARDS, 15TH FLOOR, NEW YORK
Signature: /s/ Patrick Wilson, as Attorney-in-Fact for Dean Berry
Signature date: 02 Oct 2025

Reported non-derivative transactions

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

MKTX transaction

Common Stock, par value $0.003 per share

Award

Transaction value: $0
Shares: +26,017
Change %
Price: $0.000000
Shares after: 26,017
Date: 01 Oct 2025
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. The restricted stock units shall vest in three substantially equal installments on October 1, 2026, October 1, 2027, and October 1, 2028.