0001209191-23-047587.txt : 20230829 0001209191-23-047587.hdr.sgml : 20230829 20230829161511 ACCESSION NUMBER: 0001209191-23-047587 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230828 FILED AS OF DATE: 20230829 DATE AS OF CHANGE: 20230829 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Casper Stephen P CENTRAL INDEX KEY: 0001296969 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34091 FILM NUMBER: 231222079 MAIL ADDRESS: STREET 1: C/O CHARTER ATLANTIC CORPORATION STREET 2: 200 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10166 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MARKETAXESS HOLDINGS INC CENTRAL INDEX KEY: 0001278021 STANDARD INDUSTRIAL CLASSIFICATION: SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211] 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 doc4.xml FORM 4 SUBMISSION X0508 4 2023-08-28 0 0001278021 MARKETAXESS HOLDINGS INC MKTX 0001296969 Casper Stephen P C/O MARKETAXESS HOLDINGS INC. 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001 1 0 0 0 0 Common Stock, par value $0.003 per share 2023-08-28 4 G 0 200 0.00 D 9920 D Common Stock, par value $0.003 per share 44808 I By family trust The transaction reported involved a gift by the reporting person of 200 shares of Common Stock to a charitable donor advised fund. /s/ Jason Edelstein, as Attorney-in-Fact for Stephen P. Casper 2023-08-29