Naineshkumar S. Panchal - 14 Feb 2025 Form 4 Insider Report for MARKETAXESS HOLDINGS INC (MKTX)

Role: Chief Information Officer
Signature: /s/ Conor Colasurdo, as Attorney-in-Fact for Naineshkumar S. Panchal
Issuer symbol: MKTX
Transactions as of: 14 Feb 2025
Net transactions value: -$120,738
Form type: 4
Filing time: 18 Feb 2025, 17:48:06 UTC
Previous filing: 01 Mar 2024
Next filing: 03 Mar 2025
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	+1,791	+22%	$0.000000	10,073	14 Feb 2025	Direct	F1
transaction	MKTX	Common Stock, par value $0.003 per share	Award	$0	+2,468	+25%	$0.000000	12,541	15 Feb 2025	Direct	F2
transaction	MKTX	Common Stock, par value $0.003 per share	Tax liability	$120,738	-624	-5%	$193.49	11,917	15 Feb 2025	Direct	F3

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

Explanation of Responses:

Id	Content
F1	On February 14, 2025, the Compensation and Talent Committee of the Board of Directors of the Issuer certified the performance metrics relating to the performance stock units granted to the Reporting Person on March 1, 2022.
F2	Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. The restricted stock units shall vest 34% on February 15, 2026, 33% on February 15, 2027, and 33% on February 15, 2028.
F3	Represents the surrender of shares to the Company to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units previously granted to the Reporting Person.

Remarks:

Exhibit 24-Power of Attorney