DGXQuest Diagnostics
Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. 10-K, Item 1
- Employees
- 57,000
- Headquarters
- Secaucus, NJ
- CEO
- J. E. Davis
- Next results
- around Jan 11, 2027
Every trade in DGX shares that directors, officers and 10% owners reported on Form 4 since May 14, 2026. Open-market buys and sales are the trades the insider chose to make; grants, option exercises and shares withheld for tax are part of pay.
| Date | Insider | Role | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -3,818 | 245.45 | 937K | 90,236 |
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -5,990 | 246.26 | 1.5M | 84,246 |
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -1,151 | 246.98 | 284K | 83,095 |
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -2,358 | 248.38 | 586K | 80,737 |
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -3,004 | 249.40 | 749K | 77,733 |
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -2,877 | 250.49 | 721K | 74,856 |
| Nov 3, 2026 | Catherine T. Doherty | Executive Vice President | Sale (10b5-1) | -2,907 | 251.24 | 730K | 71,949 |
| Oct 26, 2026 | Gary M. Pfeiffer | Director | Sale (10b5-1) | -1,203 | 243.00 | 292K | 29,802 |
| Sep 1, 2026 | J. E. Davis | CEO and President, Director | Sale (10b5-1) | -10,000 | 242.72 | 2.4M | 122,423 |
| Aug 28, 2026 | Michael E. Prevoznik | SVP & General Counsel | Sale (10b5-1) | -16,010 | 242.88 | 3.9M | 44,224 |
| Aug 28, 2026 | Michael E. Prevoznik | SVP & General Counsel | Sale (10b5-1) | -6,237 | 243.63 | 1.5M | 37,987 |
| Aug 28, 2026 | Michael E. Prevoznik | SVP & General Counsel | Sale (10b5-1) | -430 | 244.51 | 105K | 37,557 |
| Jul 28, 2026 | Mark E. Delaney | SVP & Chief Commercial Officer | Sale (10b5-1) | -1,600 | 235.18 | 376K | 10,335 |
| Jun 4, 2026 | Karthik Kuppusamy | SVP, Clinical Solutions | Sale (10b5-1) | -8,147 | 200.00 | 1.6M | 13,510 |
| Jun 1, 2026 | J. E. Davis | CEO and President, Director | Sale (10b5-1) | -10,000 | 194.14 | 1.9M | 132,423 |
From the Form 4s in SEC's filing index; each date links to the filing. The Insider selling plans tab shows planned sales (10b5-1 plans and Form 144).
Work on DGX in a spreadsheet:
Excel workbook (a sheet per section, ten years by column, charts, links to the filings) ·
CSV.
For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/DGX/export.csv") into a cell.