0001209191-21-006812.txt : 20210202 0001209191-21-006812.hdr.sgml : 20210202 20210202165125 ACCESSION NUMBER: 0001209191-21-006812 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210131 FILED AS OF DATE: 20210202 DATE AS OF CHANGE: 20210202 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Themelis Nicholas CENTRAL INDEX KEY: 0001296468 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34091 FILM NUMBER: 21582251 MAIL ADDRESS: STREET 1: C/O MARKETAXESS HOLDINGS INC. STREET 2: 140 BROADWAY, 42ND FLOOR CITY: NEW YORK STATE: NY ZIP: 10005 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 2021-01-31 0 0001278021 MARKETAXESS HOLDINGS INC MKTX 0001296468 Themelis Nicholas C/O MARKETAXESS HOLDINGS INC. 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001 0 1 0 0 Chief Information Officer Common Stock, par value $0.003 per share 2021-01-31 4 F 0 227 540.76 D 27537 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 228 540.76 D 27309 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 157 540.76 D 27152 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 56 540.76 D 27096 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 2830 540.76 D 24266 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 173 540.76 D 24093 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 226 540.76 D 23867 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 2122 540.76 D 21745 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 147 540.76 D 21598 D Common Stock, par value $0.003 per share 2021-01-31 4 F 0 11 540.76 D 21587 D Represents the surrender of shares to the Company to satisfy Mr. Themelis' tax withholding obligation upon the vesting of restricted stock units previously granted to Mr. Themelis. Represents the surrender of shares to the Company to satisfy Mr. Themelis' tax withholding obligation upon the vesting of shares of restricted stock previously granted to Mr. Themelis. /s/ Jason Edelstein, as Attorney-in-Fact for Nicholas Themelis 2021-02-02