0000950170-24-070651.txt : 20240607 0000950170-24-070651.hdr.sgml : 20240607 20240607161513 ACCESSION NUMBER: 0000950170-24-070651 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240605 FILED AS OF DATE: 20240607 DATE AS OF CHANGE: 20240607 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HERNANDEZ CARLOS MAURICIO CENTRAL INDEX KEY: 0001350131 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34091 FILM NUMBER: 241029597 MAIL ADDRESS: STREET 1: 270 PARK AVENUE STREET 2: 5TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10020 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 2024-06-05 0001278021 MARKETAXESS HOLDINGS INC MKTX 0001350131 HERNANDEZ CARLOS MAURICIO C/O MARKETAXESS HOLDINGS INC. 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001 true false false false false Common Stock, par value $0.003 per share 2024-06-05 4 A false 781 0 A 1274 D Common Stock, par value $0.003 per share 19946 I By GRAT Represents a grant of restricted stock units pursuant to the Company's 2020 Equity Incentive Plan. /s/ Jason Edelstein, as Attorney-in-Fact for Carlos M. Hernandez 2024-06-07