| Rusckowski Stephen HDirector · 117 transactions | — | 389.6Kas of Mar 2023 | 2.34M | 25.0K | 1.69M |
| Mohapatra Surya NChairman, President & CEO, Director · 79 transactions | — | 254.5K†as of May 2012 | 1.72M | — | 1.40M |
| Miller Joan ElizabethSVP-Oncology & Neurology Srvcs · 65 transactions | — | 214.2K†as of Mar 2012 | 327.6K | — | 284.5K |
| Hagemann RobertSVP & Chief Financial Officer · 148 transactions | — | 165.6K†as of Mar 2013 | 888.5K | — | 745.2K |
| Davis J. E.CEO and President, Director · 114 transactions | — | 132.4K | 667.0K | — | 390.4K |
| Guinan MarkExecutive Vice President & CFO · 63 transactions | — | 99.0Kas of Mar 2022 | 456.4K | 4.0K | 289.2K |
| Zewe David MSVP, Diagnostic Testing Ops · 4 transactions | — | 72.1K†as of Feb 2007 | 102.0K | — | 102.0K |
| Doherty Catherine T.EVP, Regional Businesses · 175 transactions | — | 71.6K† | 835.3K | — | 735.5K |
| Buehler William FDirector · 20 transactions | — | 56.2Kas of Feb 2014 | 125.9K | — | 110.0K |
| Eglinton Manner CarrieSVP, Advanced Diagnostics · 29 transactions | — | 48.4Kas of Mar 2022 | 66.9K | — | 5.0K |
| Simmons Wayne R.Vice President, Operations · 24 transactions | — | 47.8K†as of Jun 2011 | 105.2K | — | 45.9K |
| Prevoznik Michael ESVP & General Counsel · 222 transactions | — | 43.3K† | 1.16M | — | 1.06M |
| Cohen Jon RSVP & Group Exec. Diag. Sol. · 71 transactions | — | 42.3Kas of Mar 2018 | 412.2K | — | 350.6K |
| Cunningham EverettSVP, Commercial · 58 transactions | — | 39.0K†as of Mar 2019 | 273.7K | — | 220.9K |
| Deppe Michael JSVP, Corp. Controller & CAO · 63 transactions | — | 35.9K† | 68.8K | — | 49.7K |
| Wilensky Gail RDirector · 49 transactions | — | 33.9K†as of May 2023 | 198.2K | — | 164.3K |
| Samad SamExecutive Vice President & CFO · 28 transactions | — | 33.4K | 46.8K | — | — |
| Ring Timothy MDirector · 42 transactions | — | 31.1K | 50.7K | — | 23.8K |
| Pfeiffer Gary MDirector · 45 transactions | — | 31.0K | 120.5K | — | 94.1K |
| Peters Robert EVP, Sales & Marketing · 6 transactions | — | 29.8K†as of Feb 2007 | 69.8K | — | 57.6K |
| Mendez Manuel O.SVP & Chief Commercial Officer · 4 transactions | — | 29.0Kas of Feb 2021 | 10.3K | — | — |
| Stanzione DanielDirector · 52 transactions | — | 28.3Kas of Nov 2020 | 196.1K | 1.0K | 173.9K |
| Main Timothy LDirector · 16 transactions | — | 27.4K | 22.4K | 5.0K | — |
| Haydon John B.SVP, Operations · 3 transactions | — | 19.9Kas of Feb 2014 | 7.7K | — | — |
| Gregg Vicky BDirector · 34 transactions | — | 18.3K | 21.7K | — | 5.0K |
| Ziegler John BDirector · 67 transactions | — | 16.6Kas of Feb 2017 | 173.1K | — | 156.6K |
| Kuppusamy KarthikSVP, Clinical Solutions · 52 transactions | — | 15.6K† | 40.4K | — | 29.3K |
| Plewman PatrickSVP for Diagnostic Services · 52 transactions | — | 15.2K | 38.7K | — | 24.2K |
| Bongiorno Thomas FVP and Corporate Controller · 89 transactions | — | 15.0K†as of Mar 2015 | 198.6K | — | 157.3K |
| Britell Jenne KDirector · 32 transactions | — | 14.5Kas of Jun 2018 | 84.4K | — | 61.8K |
| Baldwin John C MDDirector · 27 transactions | — | 12.9Kas of Aug 2015 | 95.2K | — | 82.2K |
| Morrison Denise MDirector · 9 transactions | — | 11.9K | 11.6K | — | — |
| Delaney Mark ESVP & Chief Commercial Officer · 32 transactions | — | 11.9K | 26.6K | — | 10.5K |
| Lassiter Wright IIIDirector · 11 transactions | — | 10.3K | 9.7K | — | — |
| Ordonez KathySVP, Diagnostic Solutions · 9 transactions | — | 9.6Kas of Mar 2013 | 3.9K | — | — |
| Haggerty RosanneDirector · 8 transactions | — | 9.3Kas of May 2010 | 23.6K | — | 14.3K |
| Doi TraceyDirector · 6 transactions | — | 7.7K | 7.4K | — | — |
| Klug Robert AVP, Corporate Controller · 32 transactions | — | 6.6Kas of Mar 2019 | 6.6K | — | 1.2K |
| Torley HelenDirector · 4 transactions | — | 6.3Kas of May 2021 | 6.3K | — | — |
| Leiden Jeffrey MDirector · 19 transactions | — | 6.0Kas of May 2018 | 15.6K | — | 9.6K |
| Diaz LuisDirector · 4 transactions | — | 5.2K | 5.2K | — | — |
| Grant Thomas W IISr VP, Ins. & Employer Serv. · 1 transaction | — | 4.8Kas of Feb 2007 | — | — | — |
| Gardner Mark ASVP of Molecular Gen & Oncol · 5 transactions | — | 4.7Kas of Sep 2024 | 4.2K | — | — |
| Carter Robert BDirector · 7 transactions | — | 3.9K | 3.8K | — | — |
| Flaherty James F IIIDirector · 1 transaction | — | 3.7K†as of May 2006 | 1.7K | — | — |
| Grant William RDirector · 35 transactions | — | 3.3Kas of Apr 2007 | 158.5K | — | 155.1K |
| Wentworth Timothy CDirector · 2 transactions | — | 1.4K | 1.4K | — | — |
| Glaxosmithkline PLCDirector, 10% owner · 8 transactions | — | 0as of Jan 2011 | — | — | 36.50M |