0000950170-25-080919.txt : 20250603 0000950170-25-080919.hdr.sgml : 20250603 20250603160905 ACCESSION NUMBER: 0000950170-25-080919 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250603 FILED AS OF DATE: 20250603 DATE AS OF CHANGE: 20250603 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Fiszel Bieler Ilene CENTRAL INDEX KEY: 0002021091 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34091 FILM NUMBER: 251019512 MAIL ADDRESS: STREET 1: 55 HUDSON YARDS STREET 2: 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] ORGANIZATION NAME: 09 Crypto Assets EIN: 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 ownership.xml 4 X0508 4 2025-06-03 0001278021 MARKETAXESS HOLDINGS INC MKTX 0002021091 Fiszel Bieler Ilene C/O MARKETAXESS HOLDINGS INC. 55 HUDSON YARDS, 15TH FLOOR NEW YORK NY 10001 false true false false Chief Financial Officer false Common Stock, par value $0.003 per share 2025-06-03 4 F false 242 219.02 D 4422 D Represents the surrender of shares to the Company to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units previously granted to the Reporting Person. /s/ Conor Colasurdo, as Attorney-in-Fact for Ilene Fiszel Bieler 2025-06-03