0000950170-24-010501.txt : 20240202 0000950170-24-010501.hdr.sgml : 20240202 20240202161513 ACCESSION NUMBER: 0000950170-24-010501 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240131 FILED AS OF DATE: 20240202 DATE AS OF CHANGE: 20240202 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gerosa Christopher N. CENTRAL INDEX KEY: 0001504129 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34091 FILM NUMBER: 24591594 MAIL ADDRESS: STREET 1: C/O PRIMUS ASSET MANAGEMENT, INC. STREET 2: 360 MADISON AVENUE, 23RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10017 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MARKETAXESS HOLDINGS INC CENTRAL INDEX KEY: 0001278021 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] ORGANIZATION NAME: 02 Finance IRS NUMBER: 522230784 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 55 HUDSON YARDS, 15TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10001 BUSINESS PHONE: 212-831-6000 MAIL ADDRESS: STREET 1: 55 HUDSON YARDS, 15TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10001 FORMER COMPANY: FORMER CONFORMED NAME: MARKETAXESS HOLDING INC DATE OF NAME CHANGE: 20040129 4 1 ownership.xml 4 X0508 4 2024-01-31 true 0001278021 MARKETAXESS HOLDINGS INC MKTX 0001504129 Gerosa Christopher N. C/O MARKETAXESS HOLDINGS INC. 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001 false true false false Chief Financial Officer false Common Stock, par value $0.003 per share 2024-01-31 4 F false 79 274.33 D 1774 D Common Stock, par value $0.003 per share 2024-01-31 4 F false 22 274.33 D 1752 D 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. /s/ Jason Edelstein, as Attorney-in-Fact for Christopher N. Gerosa 2024-02-02