0001209191-20-063792.txt : 20201216 0001209191-20-063792.hdr.sgml : 20201216 20201216163008 ACCESSION NUMBER: 0001209191-20-063792 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201215 FILED AS OF DATE: 20201216 DATE AS OF CHANGE: 20201216 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: 201392742 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 X0306 4 2020-12-15 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 Common Stock, par value $0.003 per share 2020-12-15 4 S 0 750 554.96 D 10600 D Common Stock, par value $0.003 per share 42808 I By family trust The transactions were executed in multiple trades at prices ranging from $554.84 to $555.09. The price above reflects the weighted average sales price. Detailed information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer. /s/ Jason Edelstein, as Attorney-in-Fact for Stephen P. Casper 2020-12-16