Quest Diagnostics Inc. (DGX)
NYSE: DGX · Services-Medical Laboratories · Secaucus, NJ · filing with the SEC since 1996
Grade5.2
◀ Past 6.5● Present 5.5▶ Future 3.6
Who runs Quest Diagnostics Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Davis J. E.
CEO and President. First filing Feb 2014, latest Sep 3, 2026, 15 filings in all.
Officers reporting now
9
of 19 people with a filing in the last fifteen months
Directors reporting now
10
33 people on the record since 2006
Officerssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Plewman Patrick | SVP for Diagnostic Services | Nov 2022 | Nov 12, 2026 | 7 · $5.0M |
| Doherty Catherine T. | Executive Vice President | May 2011 | Nov 5, 2026 | 15 · $12.4M |
| Delaney Mark E | SVP & Chief Commercial Officer | Nov 2022 | Nov 5, 2026 | 2 · $1.9M |
| Ramachandran Subu | SVP, Regional Businesses | Nov 2026 | Nov 5, 2026 | none |
| Samad Sam | Executive Vice President & CFO | Jul 2022 | Oct 23, 2026 | none |
| Kuppusamy Karthik | SVP, Clinical Solutions | Nov 2022 | Oct 23, 2026 | 2 · $2.2M |
| Davis J. E. | CEO and President | Feb 2014 | Sep 3, 2026 | 6 · $17.1M |
| Prevoznik Michael E | SVP & General Counsel | Feb 2006 | Aug 31, 2026 | 6 · $6.6M |
| Deppe Michael J | SVP, Corp. Controller & CAO | Apr 2019 | Mar 6, 2026 | none |
Directorssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Pfeiffer Gary M | director | Jan 2006 | Oct 28, 2026 | 1 · $300,000 |
| Carter Robert B | director | May 2024 | Oct 23, 2026 | none |
| Gregg Vicky B | director | Jul 2014 | Oct 23, 2026 | 1 · $200,000 |
| Lassiter Wright III | director | Mar 2020 | Oct 23, 2026 | none |
| Main Timothy L | director | Jan 2014 | Oct 23, 2026 | none |
| Wentworth Timothy C | director | Mar 2026 | Oct 2, 2026 | none |
| Diaz Luis | director | May 2023 | May 21, 2026 | none |
| Doi Tracey | director | Aug 2021 | May 21, 2026 | none |
| Morrison Denise M | director | Feb 2019 | May 21, 2026 | none |
| Ring Timothy M | director | Dec 2011 | May 21, 2026 | none |
Earlier names on the record14, newest filing first
Gardner Mark A · officer · last filing Sep 2024Wilensky Gail R · director · last filing May 2023Rusckowski Stephen H · officer · last filing Mar 2023Guinan Mark · officer · last filing Mar 2022Eglinton Manner Carrie · officer · last filing Mar 2022Torley Helen · director · last filing May 2021Mendez Manuel O. · officer · last filing Feb 2021Stanzione Daniel · director · last filing Nov 2020Cunningham Everett · officer · last filing Mar 2019Klug Robert A · officer · last filing Mar 2019Britell Jenne K · director · last filing Jun 2018Leiden Jeffrey M · director · last filing May 2018Cohen Jon R · officer · last filing Mar 2018Ziegler John B · director · last filing Feb 2017
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.