Christopher N. Gerosa - Aug 1, 2021 Form 3 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Role: Chief Financial Officer
Signature: /s/ Conor Colasurdo, as Attorney-in-Fact for Christopher N. Gerosa
Stock symbol: MKTX
Transactions as of: Aug 1, 2021
Transactions value $: $0
Form type: 3
Date filed: 8/2/2021, 04:00 PM
Next filing: Feb 2, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	MKTX	Common Stock, par value $0.003 per share						1.38K	Aug 1, 2021	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 850 shares of common stock underlying awards of restricted stock or restricted stock units that are subject to time-based vesting conditions.

Remarks:

Exhibit 24-Power of Attorney.