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 September 30, 2020 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 Identific ...

Quest Diagnostics Inc. (NYSE:DGX) Q3 2020 Earnings Conference Call October 22, 2020 8:30 AM ET Company Participants Stephen Rusckowski - Chairman, President, Chief Executive Officer Mark Guinan - Executive Vice President, Chief Financial Officer Shawn Bevec - Vice President, Investor Relations Conference Call Participants Ann Hynes - Mizuho Securities Stephen Baxter - Wolfe Research Ricky Goldwasser - Morgan Stanley Ralph Giacobbe - Citi Jack Meehan - Nephron Research Erin Wright - Credit Suisse Donald Hook ...

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, 2020 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 2020 Results Conference Call July 23, 2020 8:30 AM ET Company Participants Shawn Bevec - Vice President of Investor Relations Steve Rusckowski - Chairman, Chief Executive Officer & President Mark Guinan - Chief Financial Officer Conference Call Participants Ann Hynes - Mizuho Securities Stephen Baxter - Wolfe Research Jack Meehan - Nephron Research Ricky Goldwasser - Morgan Stanley Ralph Giacobbe - Citi Pito Chickering - Deutsche Bank Kevin Caliendo - UBS Lisa Gi ...

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 March 31, 2020 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 Identificatio ...

Quest Diagnostics Incorporated (NYSE:DGX) Q1 2020 Earnings Conference Call April 22, 2020 8:30 AM ET Company Participants Shawn Bevec - Vice President of Investor Relations Steve Rusckowski - Chairman, Chief Executive Officer & President Mark Guinan - Chief Financial Officer Conference Call Participants Ann Hynes - Mizuho Securities Ralph Giacobbe - Citi Kevin Caliendo - UBS Jack Meehan - Barclays Ricky Goldwasser - Morgan Stanley Stephen Baxter - Wolfe Research Matt Larew - William Blair Donald Hooker - Ke ...

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, 2019 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 | --- | --- | |------------------------------------|---------------------------------------------------------| | Commission File Number 001-12215 | For the transition period from __________ ...

Quest Diagnostics Incorporated (NYSE:DGX) Q4 2019 Earnings Conference Call January 30, 2020 8:30 AM ET Company Participants Shawn Bevec - Vice President of Investor Relations Steve Rusckowski - Chairman, Chief Executive Officer & President Mark Guinan - Chief Financial Officer Conference Call Participants Ricky Goldwasser - Morgan Stanley Adam Noble - UBS Investment Lisa Gill - JPMorgan Erin Wright - Credit Suisse Bill Quirk - Piper Sandler Donald Hooker - KeyBanc Matt Larew - William Blair Brian Tanquilut ...

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 September 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 Identific ...

Quest Diagnostics Incorporated (NYSE:DGX) Q3 2019 Earnings Conference Call October 22, 2019 8:30 AM ET Company Participants Shawn Bevec – Vice President of Investor Relations Steve Rusckowski – Chairman, Chief Executive Officer and President Mark Guinan – Chief Financial Officer Conference Call Participants Ralph Giacobbe – Citi Bill Quirk – Piper Jaffray Donald Hooker – KeyBanc Erin Wright – Credit Suisse Michael Newshel – Evercore ISI Kevin Ellich – Craig-Hallum Jack Meehan – Barclays Kevin Caliendo – UBS ...