0001022079-21-000040.txt : 20210225 0001022079-21-000040.hdr.sgml : 20210225 20210225163258 ACCESSION NUMBER: 0001022079-21-000040 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210223 FILED AS OF DATE: 20210225 DATE AS OF CHANGE: 20210225 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GUINAN MARK CENTRAL INDEX KEY: 0001505998 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12215 FILM NUMBER: 21680882 MAIL ADDRESS: STREET 1: C/O QUEST DIAGNOSTICS STREET 2: 500 PLAZA DRIVE CITY: SECAUCUS STATE: NJ ZIP: 07094 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: QUEST DIAGNOSTICS INC CENTRAL INDEX KEY: 0001022079 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-MEDICAL LABORATORIES [8071] IRS NUMBER: 161387862 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 500 PLAZA DRIVE CITY: SECAUCUS STATE: NJ ZIP: 07094 BUSINESS PHONE: 9735202700 MAIL ADDRESS: STREET 1: 500 PLAZA DRIVE CITY: SECAUCUS STATE: NJ ZIP: 07094 FORMER COMPANY: FORMER CONFORMED NAME: CORNING CLINICAL LABORATORIES INC DATE OF NAME CHANGE: 19960903 4 1 wf-form4_161428874135843.xml FORM 4 X0306 4 2021-02-23 0 0001022079 QUEST DIAGNOSTICS INC DGX 0001505998 GUINAN MARK 500 PLAZA DRIVE SECAUCUS NJ 07094 0 1 0 0 Executive Vice President & CFO Common Stock 2021-02-23 4 F 0 830 121.15 D 78414 D Common Stock 2021-02-24 4 F 0 541 121.19 D 77873 D Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of previous grants of restricted share units. Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of a previous grant of restricted share units. /s/ William J. O'Shaughnessy, Jr., Attorney-in-Fact for Mark J. Guinan 2021-02-25