0001209191-20-045463.txt : 20200806 0001209191-20-045463.hdr.sgml : 20200806 20200806161742 ACCESSION NUMBER: 0001209191-20-045463 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200806 FILED AS OF DATE: 20200806 DATE AS OF CHANGE: 20200806 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Prager Richard Leon CENTRAL INDEX KEY: 0001781504 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34091 FILM NUMBER: 201081908 MAIL ADDRESS: STREET 1: C/O MARKETAXESS HOLDINGS INC. STREET 2: 55 HUDSON YARDS, 15TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10001 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 2020-08-06 0 0001278021 MARKETAXESS HOLDINGS INC MKTX 0001781504 Prager Richard Leon 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 2020-08-06 5 G 0 E 288 0.00 D 238 D Common Stock, par value $0.003 per share 2020-08-06 5 G 0 E 288 0.00 A 1288 I By GRAT /s/ Jason Edelstein, as Attorney-in-Fact for Richard L. Prager 2020-08-06