Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-12215 Quest Diagnostics Incorporated Delaware 16-1387862 (State of Incorporation) (I.R.S. Employer Identification ...

Quest Diagnostics Incorporated (NYSE:DGX) Q2 2019 Results Conference Call July 23, 2019 8:30 AM ET Company Participants Shawn Bevec - VP, IR Steve Rusckowski - Chairman, CEO and President Mark Guinan - CFO Conference Call Participants Ralph Giacobbe - Citi Adam Noble - UBS Ross Muken - Evercore Stephen Baxter - Wolfe Research Ann Hynes - Mizuho Securities Lisa Gill - JP Morgan Kevin Ellich - Craig-Hallum Jack Meehan - Barclays Dan Leonard - Deutsche Bank Donald Hooker - KeyBanc Patrick Donnelly - Goldman Sa ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 Commission file number 001-12215 Quest Diagnostics Incorporated 500 Plaza Drive Secaucus, NJ 07094 (973) 520-2700 Delaware (State of Incorporation) 16-1387862 (I.R.S. Employer Identification Number) Indicate by check mark whether the registrant: (1) has filed all reports required ...

Quest Diagnostics Incorporated (NYSE:DGX) Q1 2019 Earnings Conference Call April 23, 2019 8:30 AM ET Company Participants Shawn Bevec – Vice President-Investor Relations Steve Rusckowski – Chairman, President and Chief Executive Officer Mark Guinan – Chief Financial Officer Conference Call Participants Dan Leonard – Deutsche Bank Ross Muken – Evercore Patrick Donnelly – Goldman Sachs Ricky Goldwasser – Morgan Stanley Ann Hynes – Mizuho Mitch Petersen – Barclays Kevin Ellich – Craig-Hallum Kevin Caliendo – U ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-K Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Fiscal Year Ended December 31, 2018 Commission File Number 001-12215 Quest Diagnostics Incorporated 500 Plaza Drive Secaucus, New Jersey 07094 (973) 520-2700 Delaware (State of Incorporation) 16-1387862 (I.R.S. Employer Identification Number) Securities registered pursuant to Section 12(b) of the Act: Title of Each Clas ...

Quest Diagnostics Incorporated (NYSE:DGX) Q4 2018 Earnings Conference Call February 14, 2019 9:00 AM ET Company Participants Shawn Bevec - VP, IR Steve Rusckowski - Chairman, President and CEO Mark Guinan - CFO Conference Call Participants Ross Muken - Evercore ISI Patrick Donnelly - Goldman Sachs Ralph Giacobbe - Citi Bill Quirk - Piper Jaffray Lisa Gill - JPMorgan Jack Meehan - Barclays Capital Kevin Caliendo - UBS Ricky Goldwasser - Morgan Stanley Ann Hynes - Mizuho Securities Brian Tanquilut - Jefferies ...