DGX
Quest Diagnostics Incorporated
NYSE: DGX · HEALTHCARE · DIAGNOSTICS & RESEARCH
$189.32
-2.94% today
Updated 2026-04-29
Market cap
$20.96B
P/E ratio
20.92
P/S ratio
1.86x
EPS (TTM)
$9.05
Dividend yield
1.67%
52W range
$162 – $213
Volume
0.9M
Quest Diagnostics Incorporated (DGX) Insider transactions
Net insider activity
Net buying (82,609 shares)
Buy transactions
43
Sell transactions
57
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-20 | SAMAD, SAM | Executive Vice President & CFO | Buy | 108 | $194.70 | $21027.38 |
| 2026-04-20 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Buy | 49 | $194.70 | $9540.25 |
| 2026-04-20 | LASSITER, WRIGHT III | Director | Buy | 6 | $194.70 | $1168.19 |
| 2026-04-20 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Buy | 39 | $194.70 | $7593.26 |
| 2026-04-20 | GREGG, VICKY B | Director | Buy | 68 | $194.70 | $13239.46 |
| 2026-04-20 | DELANEY, MARK E | SVP & Chief Commercial Officer | Buy | 37 | $194.70 | $7203.75 |
| 2026-04-20 | CARTER, ROBERT B | Director | Buy | 7 | $194.70 | $1362.89 |
| 2026-04-01 | WENTWORTH, TIMOTHY C | Director | Buy | 198 | — | — |
| 2026-03-09 | WENTWORTH, TIMOTHY C | Director | Buy | 215 | — | — |
| 2026-03-05 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 3,878 | $206.21 | $799682.38 |
| 2026-03-05 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 2,855 | $206.21 | $588729.55 |
| 2026-03-05 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 5,558 | $206.21 | $1.15M |
| 2026-03-04 | SAMAD, SAM | Executive Vice President & CFO | Buy | 13,947 | $204.86 | $2.86M |
| 2026-03-04 | SAMAD, SAM | Executive Vice President & CFO | Sale | 7,720 | $204.86 | $1.58M |
| 2026-03-04 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Buy | 7,232 | $204.86 | $1.48M |
| 2026-03-04 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 3,354 | $204.86 | $687100.44 |
| 2026-03-04 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Buy | 5,682 | $204.86 | $1.16M |
| 2026-03-04 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 2,827 | $204.86 | $579139.22 |
| 2026-03-04 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Buy | 6,200 | $204.86 | $1.27M |
| 2026-03-04 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Sale | 2,628 | $204.86 | $538372.08 |
| 2026-03-04 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Buy | 11,364 | $204.86 | $2.33M |
| 2026-03-04 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 5,806 | $204.86 | $1.19M |
| 2026-03-04 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Buy | 1,473 | $204.86 | $301758.78 |
| 2026-03-04 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Sale | 750 | $204.86 | $153645.00 |
| 2026-03-04 | DELANEY, MARK E | SVP & Chief Commercial Officer | Buy | 5,682 | $204.86 | $1.16M |
| 2026-03-04 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 2,326 | $204.86 | $476504.36 |
| 2026-03-04 | DAVIS, J. E. | Director, CEO and President | Buy | 51,652 | $204.86 | $10.58M |
| 2026-03-04 | DAVIS, J. E. | Director, CEO and President | Sale | 26,414 | $204.86 | $5.41M |
| 2026-03-03 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 526 | $207.73 | $109265.98 |
| 2026-03-03 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 410 | $207.73 | $85169.30 |
| 2026-03-03 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 632 | $207.73 | $131285.36 |
| 2026-03-02 | SAMAD, SAM | Executive Vice President & CFO | Sale | 869 | $204.86 | $178023.34 |
| 2026-03-02 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 288 | $204.86 | $58999.68 |
| 2026-03-02 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 230 | $204.86 | $47117.80 |
| 2026-03-02 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Sale | 205 | $204.86 | $41996.30 |
| 2026-03-02 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 648 | $204.86 | $132749.28 |
| 2026-03-02 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Sale | 88 | $204.86 | $18027.68 |
| 2026-03-02 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 188 | $204.86 | $38513.68 |
| 2026-03-02 | DAVIS, J. E. | Director, CEO and President | Sale | 10,000 | $212.52 | $2.13M |
| 2026-03-02 | DAVIS, J. E. | Director, CEO and President | Sale | 2,968 | $204.86 | $608024.48 |
| 2026-02-19 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 1,111 | $204.83 | $227566.13 |
| 2026-02-19 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 958 | $204.83 | $196227.14 |
| 2026-02-19 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 1,433 | $204.83 | $293521.39 |
| 2026-02-18 | SAMAD, SAM | Executive Vice President & CFO | Buy | 18,303 | — | — |
| 2026-02-18 | SAMAD, SAM | Executive Vice President & CFO | Buy | 3,965 | — | — |
| 2026-02-18 | SAMAD, SAM | Executive Vice President & CFO | Sale | 1,010 | $206.99 | $209059.90 |
| 2026-02-18 | SAMAD, SAM | Executive Vice President & CFO | Sale | 855 | $210.01 | $179558.55 |
| 2026-02-18 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Buy | 9,289 | — | — |
| 2026-02-18 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Buy | 2,013 | — | — |
| 2026-02-18 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 347 | $206.99 | $71825.53 |
| 2026-02-18 | PREVOZNIK, MICHAEL E | SVP & General Counsel | Sale | 301 | $210.01 | $63213.01 |
| 2026-02-18 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Buy | 9,009 | — | — |
| 2026-02-18 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Buy | 1,952 | — | — |
| 2026-02-18 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 293 | $206.99 | $60648.07 |
| 2026-02-18 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 244 | $210.01 | $51242.44 |
| 2026-02-18 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Buy | 9,853 | — | — |
| 2026-02-18 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Buy | 2,135 | — | — |
| 2026-02-18 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Sale | 259 | $206.99 | $53610.41 |
| 2026-02-18 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Sale | 252 | $210.01 | $52922.52 |
| 2026-02-18 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Buy | 13,514 | — | — |
| 2026-02-18 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Buy | 2,928 | — | — |
| 2026-02-18 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 728 | $206.99 | $150688.72 |
| 2026-02-18 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 433 | $210.01 | $90934.33 |
| 2026-02-18 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Buy | 1,688 | — | — |
| 2026-02-18 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Buy | 366 | — | — |
| 2026-02-18 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Sale | 99 | $206.99 | $20492.01 |
| 2026-02-18 | DEPPE, MICHAEL J | SVP, Corp. Controller & CAO | Sale | 83 | $210.01 | $17430.83 |
| 2026-02-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Buy | 7,332 | — | — |
| 2026-02-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Buy | 1,586 | — | — |
| 2026-02-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 230 | $206.99 | $47607.70 |
| 2026-02-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 205 | $210.01 | $43052.05 |
| 2026-02-18 | DAVIS, J. E. | Director, CEO and President | Buy | 73,225 | — | — |
| 2026-02-18 | DAVIS, J. E. | Director, CEO and President | Buy | 15,857 | — | — |
| 2026-02-18 | DAVIS, J. E. | Director, CEO and President | Sale | 3,788 | $206.99 | $784078.12 |
| 2026-02-18 | DAVIS, J. E. | Director, CEO and President | Sale | 2,396 | $210.01 | $503183.96 |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 26,165 | $112.17 | $2.93M |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Buy | 26,165 | $112.17 | $2.93M |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 10,573 | $205.21 | $2.17M |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 10,122 | $206.37 | $2.09M |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 3,500 | $207.08 | $724787.70 |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 1,619 | $208.21 | $337093.12 |
| 2026-02-13 | DOHERTY, CATHERINE T. | EVP, Regional Businesses | Sale | 351 | $209.10 | $73394.94 |
| 2026-02-10 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Sale | 5,662 | $121.81 | $689659.91 |
| 2026-02-10 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Buy | 5,662 | $121.81 | $689659.91 |
| 2026-01-28 | SAMAD, SAM | Executive Vice President & CFO | Buy | 69 | $183.51 | $12662.47 |
| 2026-01-28 | PLEWMAN, PATRICK | SVP for Diagnostic Services | Buy | 48 | $183.51 | $8808.58 |
| 2026-01-28 | LASSITER, WRIGHT III | Director | Buy | 7 | $183.51 | $1284.57 |
| 2026-01-28 | KUPPUSAMY, KARTHIK | SVP, Clinical Solutions | Buy | 16 | $183.52 | $2936.26 |
| 2026-01-28 | GREGG, VICKY B | Director | Buy | 67 | $183.51 | $12295.37 |
| 2026-01-28 | DELANEY, MARK E | SVP & Chief Commercial Officer | Buy | 15 | $183.51 | $2752.65 |
| 2026-01-28 | CARTER, ROBERT B | Director | Buy | 6 | $183.51 | $1101.06 |
| 2025-11-25 | GREGG, VICKY B | Director | Sale | 1,250 | $191.76 | $239700.00 |
| 2025-11-25 | DAVIS, J. E. | Director, CEO and President | Sale | 55,093 | $95.80 | $5.28M |
| 2025-11-25 | DAVIS, J. E. | Director, CEO and President | Buy | 55,093 | $95.80 | $5.28M |
| 2025-11-25 | DAVIS, J. E. | Director, CEO and President | Sale | 41,004 | $192.27 | $7.88M |
| 2025-11-25 | DAVIS, J. E. | Director, CEO and President | Sale | 9,342 | $191.59 | $1.79M |
| 2025-11-25 | DAVIS, J. E. | Director, CEO and President | Sale | 4,747 | $192.97 | $916036.66 |
| 2025-11-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 7,846 | $144.47 | $1.13M |
| 2025-11-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 100 | $143.33 | $14333.00 |
| 2025-11-18 | DELANEY, MARK E | SVP & Chief Commercial Officer | Sale | 7,946 | $187.35 | $1.49M |