0001012975-18-001036.txt : 20180816 0001012975-18-001036.hdr.sgml : 20180816 20180816160526 ACCESSION NUMBER: 0001012975-18-001036 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180814 FILED AS OF DATE: 20180816 DATE AS OF CHANGE: 20180816 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: 181023389 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: 299 PARK AVENUE, 10TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10171 BUSINESS PHONE: 212-831-6000 MAIL ADDRESS: STREET 1: 299 PARK AVENUE, 10TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10171 FORMER COMPANY: FORMER CONFORMED NAME: MARKETAXESS HOLDING INC DATE OF NAME CHANGE: 20040129 4 1 edgar.xml PRIMARY DOCUMENT X0306 4 2018-08-14 0001278021 MARKETAXESS HOLDINGS INC MKTX 0001296468 Themelis Nicholas C/O MARKETAXESS HOLDINGS INC. 299 PARK AVENUE NEW YORK NY 10171 0 1 0 0 Chief Information Officer Common Stock, par value $0.003 per share 2018-08-14 4 S 0 11394 186.4459 D 43333 D Common Stock, par value $0.003 per share 2018-08-14 4 S 0 1437 187.0071 D 41896 D The transactions were executed in multiple trades at prices ranging from $185.88 to $186.83. 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. The transactions were executed in multiple trades at prices ranging from $186.94 to $187.07. 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/ Ori Solomon, as Attorney-in-Fact for Nicholas Themelis 2018-08-16