DGX · Quest Diagnostics Incorporated Common Stock
View on chartInsiders & Stakes
| RUSCKOWSKI STEPHEN H Director | ▼ Sell | Tax Withholding | 389,597 Shares held | 3/6/2023 | View profile |
| J. E. Davis EVP-Gen. Diagnostics/CEO Elect | ▼ Sell | Open Market | 122,423 Shares held | 9/1/2026 | View profile |
| GUINAN MARK Executive Vice President & CFO | ▼ Sell | Tax Withholding | 98,981 Shares held | 3/7/2022 | View profile |
| Catherine T. Doherty SVP, Group Exec. Clin. Fran. | ▼ Sell | Open Market | 67,122 Shares held | 3/5/2026 | View profile |
| Manner Carrie Eglinton Director | ▼ Sell | Tax Withholding | 48,391 Shares held | 3/7/2022 | View profile |
| Michael E. Prevoznik SVP & General Counsel | ▼ Sell | Gift | 36,557 Shares held | 8/28/2026 | View profile |
| Michael J. Deppe VP, Corp. Controller & CAO | ▼ Sell | Tax Withholding | 35,196 Shares held | 3/4/2026 | View profile |
| Sam Samad Executive Vice President & CFO | ▲ Buy | Grant | 33,478 Shares held | 7/22/2026 | View profile |
| Timothy M. Ring Director | ▲ Buy | Grant | 31,140 Shares held | 5/20/2026 | View profile |
| Gary M. Pfeiffer Director | ▲ Buy | Grant | 31,005 Shares held | 5/20/2026 | View profile |
| Timothy L. Main Director | ▼ Sell | Other | 22,460 Shares held | 7/22/2026 | View profile |
| WILENSKY GAIL R Director | ▲ Buy | Grant | 20,506 Shares held | 5/17/2023 | View profile |
| Vicky B. Gregg Director | ▲ Buy | Grant | 18,386 Shares held | 7/22/2026 | View profile |
| Patrick Plewman SVP for Diagnostic Services | ▼ Sell | Other | 15,293 Shares held | 7/22/2026 | View profile |
| Karthik Kuppusamy SVP, Clinical Solutions | ▼ Sell | Other | 13,557 Shares held | 7/22/2026 | View profile |
| Denise M. Morrison Director | ▲ Buy | Grant | 11,929 Shares held | 5/20/2026 | View profile |
| Mark E. Delaney SVP & Chief Commercial Officer | ▼ Sell | Open Market | 10,335 Shares held | 7/28/2026 | View profile |
| Wright Lassiter III Director | ▼ Sell | Other | 10,323 Shares held | 7/22/2026 | View profile |
| Tracey Doi Director | ▲ Buy | Grant | 7,748 Shares held | 5/20/2026 | View profile |
| Luis Diaz Director | ▲ Buy | Grant | 5,196 Shares held | 5/20/2026 | View profile |
| GARDNER MARK A SVP of Molecular Gen & Oncol | ▼ Sell | Tax Withholding | 4,673 Shares held | 9/24/2024 | View profile |
| Robert B. Carter Director | ▼ Sell | Other | 3,864 Shares held | 7/22/2026 | View profile |
| Timothy C. Wentworth Director | ▲ Buy | Grant | 1,358 Shares held | 5/20/2026 | View profile |
Transaction History
| J. E. Davis | ▼ Sell | Open Market | 10,000 | $2.4M | 9/1/2026 |
| Michael E. Prevoznik | ▲ Buy | Option Exercise | 22,677 | $2.5M | 8/28/2026 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 6,237 | $1.5M | 8/28/2026 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 430 | $105K | 8/28/2026 |
| Michael E. Prevoznik | ▼ Sell | Gift | 1,000 | $0 | 8/28/2026 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 16,010 | $3.9M | 8/28/2026 |
| Mark E. Delaney | ▼ Sell | Open Market | 1,600 | $376K | 7/28/2026 |
| Karthik Kuppusamy | ▼ Sell | Other | 37 | $8K | 7/22/2026 |
| Robert B. Carter | ▼ Sell | Other | 11 | $2K | 7/22/2026 |
| Vicky B. Gregg | ▲ Buy | Grant | 72 | $15K | 7/22/2026 |
| Patrick Plewman | ▼ Sell | Other | 46 | $10K | 7/22/2026 |
| Timothy L. Main | ▼ Sell | Other | 21 | $4K | 7/22/2026 |
| Sam Samad | ▲ Buy | Grant | 102 | $21K | 7/22/2026 |
| Wright Lassiter III | ▼ Sell | Other | 6 | $1K | 7/22/2026 |
| Mark E. Delaney | ▼ Sell | Other | 34 | $7K | 7/22/2026 |
| Karthik Kuppusamy | ▲ Buy | Option Exercise | 3,320 | $424K | 6/4/2026 |
| Karthik Kuppusamy | ▲ Buy | Option Exercise | 4,827 | $588K | 6/4/2026 |
| Karthik Kuppusamy | ▼ Sell | Open Market | 8,147 | $1.6M | 6/4/2026 |
| J. E. Davis | ▼ Sell | Open Market | 10,000 | $1.9M | 6/1/2026 |
| Robert B. Carter | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Vicky B. Gregg | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Luis Diaz | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Timothy L. Main | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Timothy C. Wentworth | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Tracey Doi | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Timothy M. Ring | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Wright Lassiter III | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Denise M. Morrison | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Gary M. Pfeiffer | ▲ Buy | Grant | 1,142 | $0 | 5/20/2026 |
| Sam Samad | ▲ Buy | Grant | 108 | $21K | 4/20/2026 |
| Patrick Plewman | ▼ Sell | Other | 49 | $10K | 4/20/2026 |
| Vicky B. Gregg | ▲ Buy | Grant | 68 | $13K | 4/20/2026 |
| Robert B. Carter | ▼ Sell | Other | 7 | $1K | 4/20/2026 |
| Wright Lassiter III | ▼ Sell | Other | 6 | $1K | 4/20/2026 |
| Karthik Kuppusamy | ▼ Sell | Other | 39 | $8K | 4/20/2026 |
| Mark E. Delaney | ▼ Sell | Other | 37 | $7K | 4/20/2026 |
| Timothy C. Wentworth | ▲ Buy | Grant | 215 | $0 | 3/9/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 5,558 | $1.1M | 3/5/2026 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 3,878 | $800K | 3/5/2026 |
| Patrick Plewman | ▼ Sell | Open Market | 2,855 | $589K | 3/5/2026 |
| Sam Samad | ▼ Sell | Tax Withholding | 7,720 | $1.6M | 3/4/2026 |
| Catherine T. Doherty | ▲ Buy | Grant | 11,364 | $2.3M | 3/4/2026 |
| Catherine T. Doherty | ▼ Sell | Tax Withholding | 5,806 | $1.2M | 3/4/2026 |
| Mark E. Delaney | ▲ Buy | Grant | 5,682 | $1.2M | 3/4/2026 |
| Mark E. Delaney | ▼ Sell | Tax Withholding | 2,326 | $477K | 3/4/2026 |
| Michael E. Prevoznik | ▲ Buy | Grant | 7,232 | $1.5M | 3/4/2026 |
| Michael E. Prevoznik | ▼ Sell | Tax Withholding | 3,354 | $687K | 3/4/2026 |
| J. E. Davis | ▲ Buy | Grant | 51,652 | $10.6M | 3/4/2026 |
| J. E. Davis | ▼ Sell | Tax Withholding | 26,414 | $5.4M | 3/4/2026 |
| Patrick Plewman | ▲ Buy | Grant | 5,682 | $1.2M | 3/4/2026 |
| Patrick Plewman | ▼ Sell | Tax Withholding | 2,827 | $579K | 3/4/2026 |
| Michael J. Deppe | ▲ Buy | Grant | 1,473 | $302K | 3/4/2026 |
| Michael J. Deppe | ▼ Sell | Tax Withholding | 750 | $154K | 3/4/2026 |
| Karthik Kuppusamy | ▲ Buy | Grant | 6,200 | $1.3M | 3/4/2026 |
| Karthik Kuppusamy | ▼ Sell | Open Market | 2,628 | $538K | 3/4/2026 |
| Sam Samad | ▲ Buy | Grant | 13,947 | $2.9M | 3/4/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 632 | $131K | 3/3/2026 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 526 | $109K | 3/3/2026 |
| Patrick Plewman | ▼ Sell | Open Market | 410 | $85K | 3/3/2026 |
| Catherine T. Doherty | ▼ Sell | Tax Withholding | 648 | $133K | 3/2/2026 |
| Sam Samad | ▼ Sell | Tax Withholding | 869 | $178K | 3/2/2026 |
| Michael E. Prevoznik | ▼ Sell | Tax Withholding | 288 | $59K | 3/2/2026 |
| J. E. Davis | ▼ Sell | Open Market | 10,000 | $2.1M | 3/2/2026 |
| Patrick Plewman | ▼ Sell | Tax Withholding | 230 | $47K | 3/2/2026 |
| Michael J. Deppe | ▼ Sell | Tax Withholding | 88 | $18K | 3/2/2026 |
| Karthik Kuppusamy | ▼ Sell | Tax Withholding | 205 | $42K | 3/2/2026 |
| J. E. Davis | ▼ Sell | Tax Withholding | 2,968 | $608K | 3/2/2026 |
| Mark E. Delaney | ▼ Sell | Tax Withholding | 188 | $39K | 3/2/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 1,433 | $294K | 2/19/2026 |
| Patrick Plewman | ▼ Sell | Open Market | 958 | $196K | 2/19/2026 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 1,111 | $228K | 2/19/2026 |
| Karthik Kuppusamy | ▼ Sell | Tax Withholding | 259 | $54K | 2/18/2026 |
| Mark E. Delaney | ▼ Sell | Tax Withholding | 205 | $43K | 2/18/2026 |
| Mark E. Delaney | ▲ Buy | Grant | 1,586 | $0 | 2/18/2026 |
| J. E. Davis | ▲ Buy | Grant | 15,857 | $0 | 2/18/2026 |
| Karthik Kuppusamy | ▼ Sell | Tax Withholding | 252 | $53K | 2/18/2026 |
| Patrick Plewman | ▲ Buy | Grant | 1,952 | $0 | 2/18/2026 |
| Patrick Plewman | ▼ Sell | Tax Withholding | 293 | $61K | 2/18/2026 |
| Sam Samad | ▼ Sell | Tax Withholding | 855 | $180K | 2/18/2026 |
| Michael E. Prevoznik | ▲ Buy | Grant | 2,013 | $0 | 2/18/2026 |
| Michael E. Prevoznik | ▼ Sell | Tax Withholding | 347 | $72K | 2/18/2026 |
| J. E. Davis | ▼ Sell | Tax Withholding | 2,396 | $503K | 2/18/2026 |
| J. E. Davis | ▼ Sell | Tax Withholding | 3,788 | $784K | 2/18/2026 |
| Catherine T. Doherty | ▼ Sell | Tax Withholding | 433 | $91K | 2/18/2026 |
| Catherine T. Doherty | ▼ Sell | Tax Withholding | 728 | $151K | 2/18/2026 |
| Michael J. Deppe | ▼ Sell | Tax Withholding | 83 | $17K | 2/18/2026 |
| Michael J. Deppe | ▼ Sell | Tax Withholding | 99 | $20K | 2/18/2026 |
| Sam Samad | ▼ Sell | Tax Withholding | 1,010 | $209K | 2/18/2026 |
| Patrick Plewman | ▼ Sell | Tax Withholding | 244 | $51K | 2/18/2026 |
| Sam Samad | ▲ Buy | Grant | 3,965 | $0 | 2/18/2026 |
| Michael E. Prevoznik | ▼ Sell | Tax Withholding | 301 | $63K | 2/18/2026 |
| Karthik Kuppusamy | ▲ Buy | Grant | 2,135 | $0 | 2/18/2026 |
| Catherine T. Doherty | ▲ Buy | Grant | 2,928 | $0 | 2/18/2026 |
| Mark E. Delaney | ▼ Sell | Tax Withholding | 230 | $48K | 2/18/2026 |
| Michael J. Deppe | ▲ Buy | Grant | 366 | $0 | 2/18/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 351 | $73K | 2/13/2026 |
| Catherine T. Doherty | ▲ Buy | Option Exercise | 26,165 | $2.9M | 2/13/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 10,573 | $2.2M | 2/13/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 10,122 | $2.1M | 2/13/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 3,500 | $725K | 2/13/2026 |
| Catherine T. Doherty | ▼ Sell | Open Market | 1,619 | $337K | 2/13/2026 |
| Patrick Plewman | ▲ Buy | Option Exercise | 5,662 | $690K | 2/10/2026 |
| Patrick Plewman | ▼ Sell | Open Market | 5,662 | $1.2M | 2/10/2026 |
| Karthik Kuppusamy | ▼ Sell | Other | 16 | $3K | 1/28/2026 |
| Patrick Plewman | ▲ Buy | Grant | 48 | $9K | 1/28/2026 |
| Sam Samad | ▲ Buy | Grant | 69 | $13K | 1/28/2026 |
| Robert B. Carter | ▼ Sell | Other | 6 | $1K | 1/28/2026 |
| Vicky B. Gregg | ▼ Sell | Other | 67 | $12K | 1/28/2026 |
| Mark E. Delaney | ▼ Sell | Other | 15 | $3K | 1/28/2026 |
| Wright Lassiter III | ▼ Sell | Other | 7 | $1K | 1/28/2026 |
| J. E. Davis | ▲ Buy | Option Exercise | 55,093 | $5.3M | 11/25/2025 |
| J. E. Davis | ▼ Sell | Open Market | 9,342 | $1.8M | 11/25/2025 |
| J. E. Davis | ▼ Sell | Open Market | 4,747 | $916K | 11/25/2025 |
| Vicky B. Gregg | ▼ Sell | Open Market | 1,250 | $240K | 11/25/2025 |
| J. E. Davis | ▼ Sell | Open Market | 41,004 | $7.9M | 11/25/2025 |
| Mark E. Delaney | ▲ Buy | Option Exercise | 7,846 | $1.1M | 11/18/2025 |
| Mark E. Delaney | ▲ Buy | Option Exercise | 100 | $14K | 11/18/2025 |
| Mark E. Delaney | ▼ Sell | Open Market | 7,946 | $1.5M | 11/18/2025 |
| J. E. Davis | ▼ Sell | Tax Withholding | 7,143 | $1.3M | 11/5/2025 |
| Gary M. Pfeiffer | ▼ Sell | Open Market | 1,482 | $270K | 10/22/2025 |
| Sam Samad | ▲ Buy | Grant | 68 | $13K | 10/21/2025 |
| Patrick Plewman | ▲ Buy | Grant | 46 | $9K | 10/21/2025 |
| Mark E. Delaney | ▲ Buy | Grant | 15 | $3K | 10/21/2025 |
| Robert B. Carter | ▲ Buy | Grant | 6 | $1K | 10/21/2025 |
| Karthik Kuppusamy | ▲ Buy | Grant | 15 | $3K | 10/21/2025 |
| Vicky B. Gregg | ▲ Buy | Grant | 70 | $13K | 10/21/2025 |
| Michael E. Prevoznik | ▲ Buy | Option Exercise | 227 | $24K | 9/26/2025 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 83 | $16K | 9/26/2025 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 144 | $27K | 9/26/2025 |
| Michael E. Prevoznik | ▲ Buy | Option Exercise | 175 | $18K | 9/24/2025 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 175 | $33K | 9/24/2025 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 28,288 | $5.3M | 9/23/2025 |
| Michael E. Prevoznik | ▲ Buy | Option Exercise | 28,288 | $2.9M | 9/23/2025 |
| Patrick Plewman | ▼ Sell | Open Market | 1,975 | $365K | 8/21/2025 |
| Patrick Plewman | ▲ Buy | Option Exercise | 4,532 | $508K | 8/19/2025 |
| Patrick Plewman | ▼ Sell | Open Market | 4,532 | $829K | 8/19/2025 |
| Patrick Plewman | ▼ Sell | Open Market | 1,975 | $356K | 8/15/2025 |
| Karthik Kuppusamy | ▼ Sell | Tax Withholding | 123 | $22K | 8/13/2025 |
| Patrick Plewman | ▼ Sell | Open Market | 1,975 | $346K | 8/6/2025 |
| Patrick Plewman | ▲ Buy | Option Exercise | 3,560 | $308K | 8/6/2025 |
| Patrick Plewman | ▼ Sell | Open Market | 3,560 | $623K | 8/6/2025 |
| Karthik Kuppusamy | ▼ Sell | Open Market | 2,210 | $376K | 7/31/2025 |
| Karthik Kuppusamy | ▼ Sell | Open Market | 3,045 | $510K | 7/30/2025 |
| Karthik Kuppusamy | ▲ Buy | Option Exercise | 5,224 | $586K | 7/30/2025 |
| Karthik Kuppusamy | ▼ Sell | Open Market | 5,224 | $874K | 7/30/2025 |
| Karthik Kuppusamy | ▲ Buy | Option Exercise | 3,045 | $264K | 7/30/2025 |
| Sam Samad | ▼ Sell | Other | 72 | $12K | 7/21/2025 |
| Wright Lassiter III | ▼ Sell | Other | 7 | $1K | 7/21/2025 |
| Vicky B. Gregg | ▼ Sell | Other | 79 | $13K | 7/21/2025 |
| Mark E. Delaney | ▼ Sell | Other | 17 | $3K | 7/21/2025 |
| Karthik Kuppusamy | ▼ Sell | Other | 27 | $5K | 7/21/2025 |
| Robert B. Carter | ▼ Sell | Other | 7 | $1K | 7/21/2025 |
| Patrick Plewman | ▼ Sell | Other | 80 | $13K | 7/21/2025 |
| Sam Samad | ▼ Sell | Tax Withholding | 850 | $144K | 7/16/2025 |
| Gary M. Pfeiffer | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Luis Diaz | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Robert B. Carter | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Vicky B. Gregg | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Tracey Doi | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Timothy L. Main | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Denise M. Morrison | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Wright Lassiter III | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Timothy M. Ring | ▲ Buy | Grant | 1,203 | $0 | 5/15/2025 |
| Mark E. Delaney | ▼ Sell | Open Market | 874 | $153K | 5/13/2025 |
| Mark E. Delaney | ▼ Sell | Open Market | 874 | $154K | 5/12/2025 |
| Sam Samad | ▼ Sell | Other | 74 | $12K | 4/21/2025 |
| Karthik Kuppusamy | ▼ Sell | Other | 27 | $4K | 4/21/2025 |
| Patrick Plewman | ▼ Sell | Other | 81 | $13K | 4/21/2025 |
| Vicky B. Gregg | ▲ Buy | Grant | 68 | $11K | 4/21/2025 |
| Mark E. Delaney | ▼ Sell | Other | 25 | $4K | 4/21/2025 |
| J. E. Davis | ▼ Sell | Open Market | 2,366 | $398K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 1,411 | $238K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 704 | $119K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 7,249 | $1.2M | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 4,905 | $828K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 2,764 | $469K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 6,950 | $1.2M | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 2,493 | $423K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 750 | $126K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 584 | $99K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 267 | $45K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 1,493 | $251K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 902 | $152K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 453 | $77K | 4/2/2025 |
| Karthik Kuppusamy | ▼ Sell | Open Market | 2,555 | $434K | 4/2/2025 |
| J. E. Davis | ▼ Sell | Open Market | 5,900 | $995K | 4/2/2025 |
| Patrick Plewman | ▼ Sell | Tax Withholding | 162 | $27K | 3/26/2025 |
| Mark E. Delaney | ▼ Sell | Tax Withholding | 256 | $43K | 3/26/2025 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 4,643 | $789K | 3/17/2025 |
| Catherine T. Doherty | ▼ Sell | Open Market | 5,370 | $935K | 3/5/2025 |
| Michael J. Deppe | ▲ Buy | Grant | 1,711 | $297K | 3/4/2025 |
| Michael J. Deppe | ▼ Sell | Tax Withholding | 867 | $151K | 3/4/2025 |
| Catherine T. Doherty | ▼ Sell | Open Market | 716 | $126K | 3/4/2025 |
| Catherine T. Doherty | ▲ Buy | Grant | 10,380 | $1.8M | 3/4/2025 |
| Catherine T. Doherty | ▼ Sell | Tax Withholding | 5,010 | $870K | 3/4/2025 |
| J. E. Davis | ▲ Buy | Grant | 61,917 | $10.8M | 3/4/2025 |
| J. E. Davis | ▼ Sell | Tax Withholding | 31,656 | $5.5M | 3/4/2025 |
| Patrick Plewman | ▲ Buy | Grant | 5,674 | $986K | 3/4/2025 |
| Patrick Plewman | ▼ Sell | Tax Withholding | 2,280 | $396K | 3/4/2025 |
| Michael E. Prevoznik | ▼ Sell | Open Market | 592 | $104K | 3/4/2025 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
Quest Diagnostics Preps for Q3 Earnings Amid Dividend Focus
Quest Diagnostics is approaching its third-quarter earnings report, with recent coverage highlighting its position as a dividend-paying stock. The company maintains a 2.10% dividend yield and trades at a 24.7 P/E ratio. Analysts currently set an average price target of $251.40, which sits above the current trading range.
Quest Diagnostics Preps for Q3 Earnings Amid Dividend Focus. Quest Diagnostics is approaching its third-quarter earnings report, with recent coverage highlighting its position as a dividend-paying stock. The company maintains a 2.10% dividend yield and trades at a 24.7 P/E ratio. Analysts currently set an average price target of $251.40, which sits above the current trading range.