Christopher N. Gerosa - 01 Aug 2021 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Role: Chief Financial Officer
Signature: /s/ Jason Edelstein, as Attorney-in-Fact for Christopher N. Gerosa
Issuer symbol: MKTX
Transactions as of: 01 Aug 2021
Net transactions value: $0
Form type: 4
Filing time: 03 Aug 2021, 16:19:30 UTC
Next filing: 02 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MKTX	Common Stock, par value $0.003 per share	Award	$0	+535	+39%	$0.000000	1,917	01 Aug 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MKTX	Stock Option (right to buy)	Award	$0	+1,915		$0.000000	1,915	01 Aug 2021	Common Stock	1,915	$475.17	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. The restricted stock units will vest in three installments of 34% on August 1, 2022, and 33% on each of August 1, 2023 and August 1, 2024.
F2	The stock options will vest in three installments of 34% on August 1, 2022, and 33% on each of August 1, 2023 and August 1, 2024.