Quest Diagnostics executives and insider trading
James E. Davis reported no open-market purchases or sales over the last twelve months.
Over the last twelve months Quest Diagnostics's insiders sold 201,427 shares for 42.69M USD in 36 sales on the open market, and bought 0 shares in 0 purchases.
Insiders over the last twelve months
- Insider sales
- 36
- Shares sold
- 201,427
- Value sold
- 42.69M USD
- Insider purchasesWhat is insider trading? Insider trading here means the legal trades that a company's executives, directors and large owners make in its shares, reported to the SEC on Form 4.
- 0
Insiders buying against sellingWhat is a Rule 10b5-1 trading plan? A Rule 10b5-1 plan lets an insider fix future trades in advance, while holding no inside information, so later trades follow the plan, not a new decision.
Open-market purchases and sales reported on Form 4, by value. Awards, option exercises and shares withheld for tax are not counted. Whether a sale was under a Rule 10b5-1 plan is read from each Form 4 at the SEC (the box exists on filings since April 2023).
Executives and directors
The people who run the company and the directors who reported trades, with what each bought and sold on the open market over the last twelve months. The CEO first, then whoever traded most.
| Name | Position | Age | Shares sold (12 months) | Value sold (12 months) | Shares bought (12 months) | Last sale | Shares held after |
|---|---|---|---|---|---|---|---|
| James E. Davis CEO | Chairman, Chief Executive Officer & President | 63 | — | — | — | — | — |
| J. E. Davis | Director, CEO and President | — | 85,093 | 17.08M USD | — | 1 Sept 2026 | 122,423 |
| Catherine T. Doherty | Executive Vice President of Regional Businesses | 63 | 55,893 | 12.45M USD | — | 3 Nov 2026 | 94,054 |
| Michael E. Prevoznik | Senior Vice President & General Counsel | 64 | 28,192 | 6.65M USD | — | 28 Aug 2026 | 60,234 |
| Karthik Kuppusamy | Senior Vice President of Clinical Solutions | 56 | 10,775 | 2.17M USD | — | 4 Jun 2026 | 13,619 |
| Patrick Plewman | SVP for Diagnostic Services | — | 9,475 | 1.94M USD | — | 5 Mar 2026 | 15,334 |
| Mark E Delaney | SVP & Chief Commercial Officer | — | 9,546 | 1.86M USD | — | 28 Jul 2026 | 12,975 |
| Gary M Pfeiffer | Director | — | 1,203 | 292.33K USD | — | 26 Oct 2026 | 29,802 |
| Vicky B Gregg | Director | — | 1,250 | 239.70K USD | — | 25 Nov 2025 | 18,449 |
| Garry Clark | Senior Vice President and Chief Marketing & Communications Officer | — | — | — | — | — | — |
| Murali Balakumar | Senior Vice President and Chief Information & Digital Officer | — | — | — | — | — | — |
| Sam A. Samad | Executive Vice President & Chief Financial Officer | 56 | — | — | — | — | 33,568 |
| Cecilia K. McKenney | Senior Vice President & Chief Human Resources Officer | 63 | — | — | — | — | — |
| Damini Chokshi | Vice President of Investor Relations | — | — | — | — | — | — |
| Kristin Lee Wallace | Senior Vice President & Chief Compliance Officer | — | — | — | — | — | — |
| Michael J. Deppe | Senior Vice President, Corporate Controller & Chief Accounting Officer | 59 | — | — | — | — | 35,946 |
| Subu Ramachandran | SVP, Regional Businesses | — | — | — | — | — | 2,832 |
| Robert B Carter | Director | — | — | — | — | — | 3,874 |
| Wright Iii Lassiter | Director | — | — | — | — | — | 10,329 |
| Timothy L Main | Director | — | — | — | — | — | 22,478 |
| Timothy C Wentworth | Director | — | — | — | — | — | 1,358 |
| Luis Diaz | Director | — | — | — | — | — | 5,196 |
| Tracey Doi | Director | — | — | — | — | — | 7,748 |
| Timothy M Ring | Director | — | — | — | — | — | 31,140 |
| Denise M Morrison | Director | — | — | — | — | — | 11,929 |
Insider sales and purchases by quarter
How many insider sales and purchases were reported each quarter.
Every insider transactionWhat is insider trading? Insider trading here means the legal trades that a company's executives, directors and large owners make in its shares, reported to the SEC on Form 4.
Insiders must report every trade in the company's shares to the SEC within two business days, on Form 4. Only purchases and sales are trades on the open market; awards, option exercises, shares withheld for tax and gifts come with pay, and the twelve-month totals leave them out.
| Date | Name | Transaction | Shares | Price | Value | Shares held after | Filing |
|---|---|---|---|---|---|---|---|
| 3 Nov 2026 | Subu Ramachandran | Award | 352 | — | — | 2,832 | Form 4 |
| 3 Nov 2026 | Subu Ramachandran | Award | 1,386 | 248.61 | 344.57K USD | 1,386 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Option exercise | 22,105 | 121.81 | 2.69M USD | 94,054 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 3,818 | 245.45 | 937.14K USD | 90,236 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 5,990 | 246.26 | 1.48M USD | 84,246 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 1,151 | 246.98 | 284.28K USD | 83,095 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 2,358 | 248.38 | 585.69K USD | 80,737 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 3,004 | 249.40 | 749.21K USD | 77,733 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 2,877 | 250.49 | 720.65K USD | 74,856 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Sale | 2,907 | 251.24 | 730.35K USD | 71,949 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Award | 4,827 | — | — | 71,949 | Form 4 |
| 3 Nov 2026 | Catherine T. Doherty | Option exercise | 22,105 | 121.81 | 2.69M USD | — | Form 4 |
| 3 Nov 2026 | Mark E Delaney | Award | 2,615 | — | — | 12,975 | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | — | — | — | 2,480 | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 2,444 | 127.80 | 312.34K USD | — | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 1,968 | 204.96 | 403.36K USD | — | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 1,738 | 165.30 | 287.29K USD | — | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 1,307 | 143.33 | 187.33K USD | — | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 1,895 | 127.72 | 242.03K USD | — | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 1,656 | 121.80 | 201.70K USD | — | Form 4 |
| 1 Nov 2026 | Subu Ramachandran | Other | 1,044 | 112.17 | 117.11K USD | — | Form 4 |
| 26 Oct 2026 | Gary M Pfeiffer | Sale | 1,203 | 243.00 | 292.33K USD | 29,802 | Form 4 |
| 21 Oct 2026 | Robert B Carter | Other | 10 | 235.93 | 2.36K USD | 3,874 | Form 4 |
| 21 Oct 2026 | Sam A. Samad | Award | 90 | 235.94 | 21.23K USD | 33,568 | Form 4 |
| 21 Oct 2026 | Vicky B Gregg | Award | 63 | 235.94 | 14.86K USD | 18,449 | Form 4 |
| 21 Oct 2026 | Karthik Kuppusamy | Other | 33 | 235.94 | 7.79K USD | 13,619 | Form 4 |
| 21 Oct 2026 | Wright Iii Lassiter | Other | 6 | 235.96 | 1.42K USD | 10,329 | Form 4 |
| 21 Oct 2026 | Patrick Plewman | Other | 41 | 235.94 | 9.67K USD | 15,334 | Form 4 |
| 21 Oct 2026 | Timothy L Main | Other | 18 | 235.94 | 4.25K USD | 22,478 | Form 4 |
| 21 Oct 2026 | Mark E Delaney | Other | 25 | 235.94 | 5.90K USD | 10,360 | Form 4 |
| 1 Oct 2026 | Timothy C Wentworth | Award | 135 | — | — | 477 | Form 4 |
| 1 Sept 2026 | J. E. Davis | Sale | 10,000 | 242.72 | 2.43M USD | 122,423 | Form 4 |
| 28 Aug 2026 | Michael E. Prevoznik | Option exercise | 22,677 | 112.17 | 2.54M USD | 60,234 | Form 4 |
| 28 Aug 2026 | Michael E. Prevoznik | Sale | 16,010 | 242.88 | 3.89M USD | 44,224 | Form 4 |
| 28 Aug 2026 | Michael E. Prevoznik | Sale | 6,237 | 243.63 | 1.52M USD | 37,987 | Form 4 |
| 28 Aug 2026 | Michael E. Prevoznik | Sale | 430 | 244.51 | 105.14K USD | 37,557 | Form 4 |
| 28 Aug 2026 | Michael E. Prevoznik | Gift | 1,000 | — | — | 36,557 | Form 4 |
| 28 Aug 2026 | Michael E. Prevoznik | Option exercise | 22,677 | 112.17 | 2.54M USD | — | Form 4 |
| 28 Jul 2026 | Mark E Delaney | Sale | 1,600 | 235.18 | 376.29K USD | 10,335 | Form 4 |
| 22 Jul 2026 | Karthik Kuppusamy | Other | 37 | 206.81 | 7.65K USD | 13,557 | Form 4 |
| 22 Jul 2026 | Robert B Carter | Other | 11 | 206.80 | 2.27K USD | 3,864 | Form 4 |
| 22 Jul 2026 | Vicky B Gregg | Award | 72 | 206.81 | 14.89K USD | 18,386 | Form 4 |
| 22 Jul 2026 | Patrick Plewman | Other | 46 | 206.81 | 9.51K USD | 15,293 | Form 4 |
| 22 Jul 2026 | Timothy L Main | Other | 21 | 206.81 | 4.34K USD | 22,460 | Form 4 |
| 22 Jul 2026 | Sam A. Samad | Award | 102 | 206.81 | 21.09K USD | 33,478 | Form 4 |
| 22 Jul 2026 | Wright Iii Lassiter | Other | 6 | 206.81 | 1.24K USD | 10,323 | Form 4 |
| 22 Jul 2026 | Mark E Delaney | Other | 34 | 206.81 | 7.03K USD | 11,935 | Form 4 |
| 1 Jul 2026 | Timothy C Wentworth | Award | 144 | — | — | 342 | Form 4 |
| 4 Jun 2026 | Karthik Kuppusamy | Option exercise | 4,827 | 121.81 | 587.95K USD | 21,657 | Form 4 |
| 4 Jun 2026 | Karthik Kuppusamy | Option exercise | 3,320 | 127.73 | 424.05K USD | 16,830 | Form 4 |
| 4 Jun 2026 | Karthik Kuppusamy | Sale | 8,147 | 200.00 | 1.63M USD | 13,510 | Form 4 |
| 4 Jun 2026 | Karthik Kuppusamy | Option exercise | 3,320 | 127.73 | 424.05K USD | — | Form 4 |
| 4 Jun 2026 | Karthik Kuppusamy | Option exercise | 4,827 | 121.81 | 587.95K USD | — | Form 4 |
| 1 Jun 2026 | J. E. Davis | Sale | 10,000 | 194.14 | 1.94M USD | 132,423 | Form 4 |
| 20 May 2026 | Robert B Carter | Award | 1,142 | — | — | 3,853 | Form 4 |
| 20 May 2026 | Vicky B Gregg | Award | 1,142 | — | — | 18,314 | Form 4 |
| 20 May 2026 | Luis Diaz | Award | 1,142 | — | — | 5,196 | Form 4 |
| 20 May 2026 | Timothy L Main | Award | 1,142 | — | — | 27,439 | Form 4 |
| 20 May 2026 | Timothy C Wentworth | Award | 1,142 | — | — | 1,358 | Form 4 |
| 20 May 2026 | Tracey Doi | Award | 1,142 | — | — | 7,748 | Form 4 |
| 20 May 2026 | Timothy M Ring | Award | 1,142 | — | — | 31,140 | Form 4 |
| 20 May 2026 | Wright Iii Lassiter | Award | 1,142 | — | — | 10,317 | Form 4 |
| 20 May 2026 | Denise M Morrison | Award | 1,142 | — | — | 11,929 | Form 4 |
| 20 May 2026 | Gary M Pfeiffer | Award | 1,142 | — | — | 31,005 | Form 4 |
| 20 Apr 2026 | Sam A. Samad | Award | 108 | 194.70 | 21.03K USD | 33,376 | Form 4 |
| 20 Apr 2026 | Patrick Plewman | Other | 49 | 194.70 | 9.54K USD | 15,247 | Form 4 |
| 20 Apr 2026 | Vicky B Gregg | Award | 68 | 194.70 | 13.24K USD | 17,172 | Form 4 |
| 20 Apr 2026 | Robert B Carter | Other | 7 | 194.70 | 1.36K USD | 2,711 | Form 4 |
| 20 Apr 2026 | Wright Iii Lassiter | Other | 6 | 194.70 | 1.17K USD | 9,063 | Form 4 |
| 20 Apr 2026 | Karthik Kuppusamy | Other | 39 | 194.70 | 7.59K USD | 13,490 | Form 4 |
| 20 Apr 2026 | Mark E Delaney | Other | 37 | 194.70 | 7.20K USD | 11,901 | Form 4 |
| 1 Apr 2026 | Timothy C Wentworth | Award | 198 | — | — | 198 | Form 4 |
| 9 Mar 2026 | Timothy C Wentworth | Award | 215 | — | — | 215 | Form 4 |
| 9 Mar 2026 | Timothy C Wentworth | Other | — | — | — | — | Form 4 |
| 5 Mar 2026 | Catherine T. Doherty | Sale | 5,558 | 206.21 | 1.15M USD | 67,122 | Form 4 |
| 5 Mar 2026 | Michael E. Prevoznik | Sale | 3,878 | 206.21 | 799.68K USD | 37,557 | Form 4 |
| 5 Mar 2026 | Patrick Plewman | Sale | 2,855 | 206.21 | 588.73K USD | 15,198 | Form 4 |
| 4 Mar 2026 | Sam A. Samad | Award | 13,947 | 204.86 | 2.86M USD | 40,988 | Form 4 |
| 4 Mar 2026 | Sam A. Samad | Shares withheld for tax | 7,720 | 204.86 | 1.58M USD | 33,268 | Form 4 |
| 4 Mar 2026 | Catherine T. Doherty | Award | 11,364 | 204.86 | 2.33M USD | 78,486 | Form 4 |
| 4 Mar 2026 | Catherine T. Doherty | Shares withheld for tax | 5,806 | 204.86 | 1.19M USD | 72,680 | Form 4 |
| 4 Mar 2026 | Mark E Delaney | Award | 5,682 | 204.86 | 1.16M USD | 14,190 | Form 4 |
| 4 Mar 2026 | Mark E Delaney | Shares withheld for tax | 2,326 | 204.86 | 476.50K USD | 11,864 | Form 4 |
| 4 Mar 2026 | Michael E. Prevoznik | Award | 7,232 | 204.86 | 1.48M USD | 44,789 | Form 4 |
| 4 Mar 2026 | Michael E. Prevoznik | Shares withheld for tax | 3,354 | 204.86 | 687.10K USD | 41,435 | Form 4 |
| 4 Mar 2026 | J. E. Davis | Award | 51,652 | 204.86 | 10.58M USD | 168,837 | Form 4 |
| 4 Mar 2026 | J. E. Davis | Shares withheld for tax | 26,414 | 204.86 | 5.41M USD | 142,423 | Form 4 |
| 4 Mar 2026 | Patrick Plewman | Award | 5,682 | 204.86 | 1.16M USD | 20,880 | Form 4 |
| 4 Mar 2026 | Patrick Plewman | Shares withheld for tax | 2,827 | 204.86 | 579.14K USD | 18,053 | Form 4 |
| 4 Mar 2026 | Michael J. Deppe | Award | 1,473 | 204.86 | 301.76K USD | 35,946 | Form 4 |
| 4 Mar 2026 | Michael J. Deppe | Shares withheld for tax | 750 | 204.86 | 153.65K USD | 35,196 | Form 4 |
| 4 Mar 2026 | Karthik Kuppusamy | Award | 6,200 | 204.86 | 1.27M USD | 16,069 | Form 4 |
| 4 Mar 2026 | Karthik Kuppusamy | Sale | 2,628 | 204.86 | 538.37K USD | 13,441 | Form 4 |
| 3 Mar 2026 | Catherine T. Doherty | Sale | 632 | 207.73 | 131.29K USD | 67,122 | Form 4 |
| 3 Mar 2026 | Michael E. Prevoznik | Sale | 526 | 207.73 | 109.27K USD | 37,557 | Form 4 |
| 2 Mar 2026 | Catherine T. Doherty | Shares withheld for tax | 648 | 204.86 | 132.75K USD | 67,754 | Form 4 |
| 2 Mar 2026 | Sam A. Samad | Shares withheld for tax | 869 | 204.86 | 178.02K USD | 27,041 | Form 4 |
| 2 Mar 2026 | Michael E. Prevoznik | Shares withheld for tax | 288 | 204.86 | 59.00K USD | 38,083 | Form 4 |
| 2 Mar 2026 | J. E. Davis | Shares withheld for tax | 2,968 | 204.86 | 608.02K USD | 127,185 | Form 4 |
| 2 Mar 2026 | J. E. Davis | Sale | 10,000 | 212.52 | 2.13M USD | 117,185 | Form 4 |
| 19 Feb 2026 | Patrick Plewman | Sale | 958 | 204.83 | 196.23K USD | 15,838 | Form 4 |
| 19 Feb 2026 | Michael E. Prevoznik | Sale | 1,111 | 204.83 | 227.57K USD | 38,371 | Form 4 |
| 19 Feb 2026 | Catherine T. Doherty | Sale | 1,433 | 204.83 | 293.52K USD | 68,402 | Form 4 |
| 18 Feb 2026 | Patrick Plewman | Award | 1,952 | — | — | 17,333 | Form 4 |
| 18 Feb 2026 | Patrick Plewman | Shares withheld for tax | 244 | 210.01 | 51.24K USD | 17,089 | Form 4 |
| 18 Feb 2026 | Patrick Plewman | Shares withheld for tax | 293 | 206.99 | 60.65K USD | 16,796 | Form 4 |
| 18 Feb 2026 | Patrick Plewman | Award | 9,009 | 204.96 | 1.85M USD | 9,009 | Form 4 |
| 18 Feb 2026 | Sam A. Samad | Award | 3,965 | — | — | 29,706 | Form 4 |
| 18 Feb 2026 | Sam A. Samad | Shares withheld for tax | 855 | 210.01 | 179.56K USD | 28,851 | Form 4 |
| 18 Feb 2026 | Sam A. Samad | Shares withheld for tax | 1,010 | 206.99 | 209.06K USD | 27,841 | Form 4 |
| 18 Feb 2026 | Sam A. Samad | Award | 18,303 | 204.96 | 3.75M USD | 18,303 | Form 4 |
| 18 Feb 2026 | Michael E. Prevoznik | Award | 2,013 | — | — | 40,130 | Form 4 |
| 18 Feb 2026 | Michael E. Prevoznik | Shares withheld for tax | 301 | 210.01 | 63.21K USD | 39,829 | Form 4 |
| 18 Feb 2026 | Michael E. Prevoznik | Shares withheld for tax | 347 | 206.99 | 71.83K USD | 39,482 | Form 4 |
| 18 Feb 2026 | Michael E. Prevoznik | Award | 9,289 | 204.96 | 1.90M USD | 9,289 | Form 4 |
| 18 Feb 2026 | J. E. Davis | Award | 15,857 | — | — | 136,337 | Form 4 |
| 18 Feb 2026 | J. E. Davis | Shares withheld for tax | 2,396 | 210.01 | 503.18K USD | 133,941 | Form 4 |
| 18 Feb 2026 | J. E. Davis | Shares withheld for tax | 3,788 | 206.99 | 784.08K USD | 130,153 | Form 4 |
| 18 Feb 2026 | J. E. Davis | Award | 73,225 | 204.96 | 15.01M USD | 73,225 | Form 4 |
| 18 Feb 2026 | Catherine T. Doherty | Award | 2,928 | — | — | 70,996 | Form 4 |
| 18 Feb 2026 | Catherine T. Doherty | Shares withheld for tax | 433 | 210.01 | 90.93K USD | 70,563 | Form 4 |
| 18 Feb 2026 | Catherine T. Doherty | Shares withheld for tax | 728 | 206.99 | 150.69K USD | 69,835 | Form 4 |
| 18 Feb 2026 | Catherine T. Doherty | Award | 13,514 | 204.96 | 2.77M USD | 13,514 | Form 4 |
| 18 Feb 2026 | Karthik Kuppusamy | Award | 2,135 | — | — | 10,049 | Form 4 |
| 18 Feb 2026 | Karthik Kuppusamy | Award | 9,853 | 204.96 | 2.02M USD | 9,853 | Form 4 |
| 18 Feb 2026 | Karthik Kuppusamy | Shares withheld for tax | 252 | 210.01 | 52.92K USD | 8,173 | Form 4 |
| 18 Feb 2026 | Karthik Kuppusamy | Shares withheld for tax | 259 | 206.99 | 53.61K USD | 7,914 | Form 4 |
| 18 Feb 2026 | Mark E Delaney | Award | 1,586 | — | — | 9,116 | Form 4 |
| 18 Feb 2026 | Mark E Delaney | Shares withheld for tax | 205 | 210.01 | 43.05K USD | 8,911 | Form 4 |
| 18 Feb 2026 | Mark E Delaney | Shares withheld for tax | 230 | 206.99 | 47.61K USD | 8,681 | Form 4 |
| 18 Feb 2026 | Mark E Delaney | Award | 7,332 | 204.96 | 1.50M USD | 7,332 | Form 4 |
| 18 Feb 2026 | Michael J. Deppe | Award | 366 | — | — | 34,742 | Form 4 |
| 18 Feb 2026 | Michael J. Deppe | Shares withheld for tax | 83 | 210.01 | 17.43K USD | 34,659 | Form 4 |
| 18 Feb 2026 | Michael J. Deppe | Shares withheld for tax | 99 | 206.99 | 20.49K USD | 34,560 | Form 4 |
| 18 Feb 2026 | Michael J. Deppe | Award | 1,688 | 204.96 | 345.97K USD | 1,688 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Option exercise | 26,165 | 112.17 | 2.93M USD | 94,233 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Sale | 10,573 | 205.21 | 2.17M USD | 83,660 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Sale | 10,122 | 206.37 | 2.09M USD | 73,538 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Sale | 3,500 | 207.08 | 724.79K USD | 70,038 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Sale | 1,619 | 208.21 | 337.09K USD | 68,419 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Sale | 351 | 209.10 | 73.39K USD | 68,068 | Form 4 |
| 13 Feb 2026 | Catherine T. Doherty | Option exercise | 26,165 | 112.17 | 2.93M USD | — | Form 4 |
| 10 Feb 2026 | Patrick Plewman | Option exercise | 5,662 | 121.81 | 689.66K USD | 21,043 | Form 4 |
| 10 Feb 2026 | Patrick Plewman | Sale | 5,662 | 204.00 | 1.16M USD | 15,381 | Form 4 |
| 10 Feb 2026 | Patrick Plewman | Option exercise | 5,662 | 121.81 | 689.66K USD | — | Form 4 |
| 28 Jan 2026 | Sam A. Samad | Award | 69 | 183.51 | 12.66K USD | 27,910 | Form 4 |
| 28 Jan 2026 | Karthik Kuppusamy | Other | 16 | 183.52 | 2.94K USD | 10,065 | Form 4 |
| 28 Jan 2026 | Mark E Delaney | Other | 15 | 183.51 | 2.75K USD | 8,696 | Form 4 |
| 28 Jan 2026 | Wright Iii Lassiter | Other | 7 | 183.51 | 1.28K USD | 9,057 | Form 4 |
| 28 Jan 2026 | Robert B Carter | Other | 6 | 183.51 | 1.10K USD | 2,704 | Form 4 |
| 28 Jan 2026 | Vicky B Gregg | Other | 67 | 183.51 | 12.30K USD | 17,104 | Form 4 |
| 28 Jan 2026 | Patrick Plewman | Award | 48 | 183.51 | 8.81K USD | 15,381 | Form 4 |
| 25 Nov 2025 | J. E. Davis | Option exercise | 55,093 | 95.80 | 5.28M USD | 175,573 | Form 4 |
| 25 Nov 2025 | J. E. Davis | Sale | 9,342 | 191.59 | 1.79M USD | 166,231 | Form 4 |
| 25 Nov 2025 | J. E. Davis | Sale | 41,004 | 192.27 | 7.88M USD | 125,227 | Form 4 |
| 25 Nov 2025 | J. E. Davis | Sale | 4,747 | 192.97 | 916.04K USD | 120,480 | Form 4 |
| 25 Nov 2025 | J. E. Davis | Option exercise | 55,093 | 95.80 | 5.28M USD | — | Form 4 |
| 25 Nov 2025 | Vicky B Gregg | Sale | 1,250 | 191.76 | 239.70K USD | 17,037 | Form 4 |
| 18 Nov 2025 | Mark E Delaney | Option exercise | 100 | 143.33 | 14.33K USD | 15,476 | Form 4 |
| 18 Nov 2025 | Mark E Delaney | Option exercise | 7,846 | 144.47 | 1.13M USD | 15,376 | Form 4 |
| 18 Nov 2025 | Mark E Delaney | Sale | 7,946 | 187.35 | 1.49M USD | 7,530 | Form 4 |
| 18 Nov 2025 | Mark E Delaney | Option exercise | 100 | 143.33 | 14.33K USD | 7,484 | Form 4 |
| 18 Nov 2025 | Mark E Delaney | Option exercise | 7,846 | 144.47 | 1.13M USD | — | Form 4 |
| 5 Nov 2025 | J. E. Davis | Shares withheld for tax | 7,143 | 175.57 | 1.25M USD | 120,480 | Form 4 |
| 23 Oct 2025 | Gary M Pfeiffer | Other | 4,413 | — | — | — | Form 4 |
| 22 Oct 2025 | Gary M Pfeiffer | Sale | 1,482 | 182.40 | 270.32K USD | 29,431 | Form 4 |
| 21 Oct 2025 | Sam A. Samad | Award | 68 | 189.08 | 12.86K USD | 25,741 | Form 4 |
| 21 Oct 2025 | Patrick Plewman | Award | 46 | 189.08 | 8.70K USD | 15,333 | Form 4 |
| 21 Oct 2025 | Karthik Kuppusamy | Award | 15 | 189.08 | 2.84K USD | 8,379 | Form 4 |
| 21 Oct 2025 | Vicky B Gregg | Award | 70 | 189.08 | 13.24K USD | 18,287 | Form 4 |
| 21 Oct 2025 | Mark E Delaney | Award | 15 | 189.08 | 2.84K USD | 7,530 | Form 4 |
| 21 Oct 2025 | Robert B Carter | Award | 6 | 189.09 | 1.13K USD | 2,698 | Form 4 |
| 1 Oct 2025 | Timothy M Ring | Award | 233 | — | — | 17,036 | Form 4 |
| 1 Oct 2025 | Wright Iii Lassiter | Award | 157 | — | — | 679 | Form 4 |
| 26 Sept 2025 | Michael E. Prevoznik | Option exercise | 227 | 103.57 | 23.51K USD | 38,344 | Form 4 |
| 26 Sept 2025 | Michael E. Prevoznik | Sale | 83 | 187.22 | 15.54K USD | 38,261 | Form 4 |
| 26 Sept 2025 | Michael E. Prevoznik | Sale | 144 | 188.66 | 27.17K USD | 38,117 | Form 4 |
| 26 Sept 2025 | Michael E. Prevoznik | Option exercise | 227 | 103.57 | 23.51K USD | — | Form 4 |
| 24 Sept 2025 | Michael E. Prevoznik | Option exercise | 175 | 103.57 | 18.12K USD | 38,292 | Form 4 |
| 24 Sept 2025 | Michael E. Prevoznik | Sale | 175 | 187.02 | 32.73K USD | 38,117 | Form 4 |
| 24 Sept 2025 | Michael E. Prevoznik | Option exercise | 175 | 103.57 | 18.12K USD | 227 | Form 4 |
| 23 Sept 2025 | Michael E. Prevoznik | Option exercise | 28,288 | 103.57 | 2.93M USD | 66,405 | Form 4 |
| 23 Sept 2025 | Michael E. Prevoznik | Sale | 28,288 | 187.12 | 5.29M USD | 38,117 | Form 4 |
| 23 Sept 2025 | Michael E. Prevoznik | Option exercise | 28,288 | 103.57 | 2.93M USD | 402 | Form 4 |
| 21 Aug 2025 | Patrick Plewman | Sale | 1,975 | 185.00 | 365.38K USD | 15,269 | Form 4 |
| 19 Aug 2025 | Patrick Plewman | Option exercise | 4,532 | 112.17 | 508.35K USD | 21,776 | Form 4 |
| 19 Aug 2025 | Patrick Plewman | Sale | 4,532 | 183.00 | 829.36K USD | 17,244 | Form 4 |
| 19 Aug 2025 | Patrick Plewman | Option exercise | 4,532 | 112.17 | 508.35K USD | — | Form 4 |
| 15 Aug 2025 | Patrick Plewman | Sale | 1,975 | 180.00 | 355.50K USD | 17,244 | Form 4 |
| 13 Aug 2025 | Karthik Kuppusamy | Shares withheld for tax | 123 | 175.91 | 21.64K USD | 8,338 | Form 4 |
| 6 Aug 2025 | Patrick Plewman | Option exercise | 3,560 | 86.63 | 308.40K USD | 24,745 | Form 4 |
| 6 Aug 2025 | Patrick Plewman | Sale | 3,560 | 175.00 | 623.00K USD | 21,185 | Form 4 |
| 6 Aug 2025 | Patrick Plewman | Sale | 1,975 | 175.00 | 345.63K USD | 19,219 | Form 4 |
| 6 Aug 2025 | Patrick Plewman | Option exercise | 3,560 | 86.63 | 308.40K USD | — | Form 4 |
| 31 Jul 2025 | Karthik Kuppusamy | Sale | 2,210 | 170.00 | 375.70K USD | 8,450 | Form 4 |
| 30 Jul 2025 | Karthik Kuppusamy | Option exercise | 5,224 | 112.17 | 585.98K USD | 15,884 | Form 4 |
| 30 Jul 2025 | Karthik Kuppusamy | Option exercise | 3,045 | 86.63 | 263.79K USD | 13,705 | Form 4 |
| 30 Jul 2025 | Karthik Kuppusamy | Sale | 5,224 | 167.40 | 874.50K USD | 10,660 | Form 4 |
| 30 Jul 2025 | Karthik Kuppusamy | Option exercise | 5,224 | 112.17 | 585.98K USD | — | Form 4 |
| 30 Jul 2025 | Karthik Kuppusamy | Option exercise | 3,045 | 86.63 | 263.79K USD | — | Form 4 |
| 21 Jul 2025 | Sam A. Samad | Other | 72 | 167.50 | 12.06K USD | 25,673 | Form 4 |
| 21 Jul 2025 | Patrick Plewman | Other | 80 | 167.49 | 13.40K USD | 21,185 | Form 4 |
| 21 Jul 2025 | Karthik Kuppusamy | Other | 27 | 167.50 | 4.52K USD | 10,660 | Form 4 |
| 21 Jul 2025 | Wright Iii Lassiter | Other | 7 | 167.51 | 1.17K USD | 9,044 | Form 4 |
| 21 Jul 2025 | Vicky B Gregg | Other | 79 | 167.50 | 13.23K USD | 18,217 | Form 4 |
| 21 Jul 2025 | Mark E Delaney | Other | 17 | 167.49 | 2.85K USD | 7,515 | Form 4 |
| 21 Jul 2025 | Robert B Carter | Other | 7 | 167.51 | 1.17K USD | 2,692 | Form 4 |
| 16 Jul 2025 | Sam A. Samad | Shares withheld for tax | 850 | 169.01 | 143.66K USD | 25,601 | Form 4 |
| 1 Jul 2025 | Timothy M Ring | Award | 236 | — | — | 16,725 | Form 4 |
| 1 Jul 2025 | Wright Iii Lassiter | Award | 160 | — | — | 521 | Form 4 |
| 15 May 2025 | Robert B Carter | Award | 1,203 | — | — | 2,685 | Form 4 |
| 15 May 2025 | Luis Diaz | Award | 1,203 | — | — | 4,054 | Form 4 |
| 15 May 2025 | Vicky B Gregg | Award | 1,203 | — | — | 18,138 | Form 4 |
| 15 May 2025 | Tracey Doi | Award | 1,203 | — | — | 6,490 | Form 4 |
| 15 May 2025 | Timothy L Main | Award | 1,203 | — | — | 26,297 | Form 4 |
| 15 May 2025 | Denise M Morrison | Award | 1,203 | — | — | 10,742 | Form 4 |
| 15 May 2025 | Wright Iii Lassiter | Award | 1,203 | — | — | 9,037 | Form 4 |
| 15 May 2025 | Timothy M Ring | Award | 1,203 | — | — | 29,507 | Form 4 |
| 15 May 2025 | Gary M Pfeiffer | Award | 1,203 | — | — | 30,669 | Form 4 |
| 13 May 2025 | Mark E Delaney | Sale | 874 | 175.31 | 153.22K USD | 7,498 | Form 4 |
| 12 May 2025 | Mark E Delaney | Sale | 874 | 175.72 | 153.58K USD | 8,372 | Form 4 |
| 21 Apr 2025 | Sam A. Samad | Other | 74 | 164.42 | 12.17K USD | 26,451 | Form 4 |
| 21 Apr 2025 | Karthik Kuppusamy | Other | 27 | 164.42 | 4.44K USD | 10,612 | Form 4 |
| 21 Apr 2025 | Patrick Plewman | Other | 81 | 164.42 | 13.32K USD | 21,087 | Form 4 |
| 21 Apr 2025 | Vicky B Gregg | Award | 68 | 164.42 | 11.18K USD | 16,935 | Form 4 |
| 21 Apr 2025 | Mark E Delaney | Other | 25 | 164.42 | 4.11K USD | 9,246 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 2,366 | 168.03 | 397.55K USD | 164,448 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 1,411 | 168.76 | 238.11K USD | 163,037 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 704 | 169.63 | 119.42K USD | 162,333 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 7,249 | 167.86 | 1.22M USD | 155,084 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 4,905 | 168.72 | 827.56K USD | 150,179 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 2,764 | 169.56 | 468.66K USD | 147,415 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 6,950 | 167.86 | 1.17M USD | 140,465 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 5,900 | 168.66 | 995.12K USD | 134,565 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 2,493 | 169.57 | 422.74K USD | 132,072 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 750 | 167.86 | 125.90K USD | 131,322 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 584 | 168.70 | 98.52K USD | 130,738 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 267 | 169.60 | 45.28K USD | 130,471 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 1,493 | 167.88 | 250.64K USD | 128,978 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 902 | 168.79 | 152.25K USD | 128,076 | Form 4 |
| 2 Apr 2025 | J. E. Davis | Sale | 453 | 169.63 | 76.84K USD | 127,623 | Form 4 |
| 2 Apr 2025 | Karthik Kuppusamy | Sale | 2,555 | 170.00 | 434.35K USD | 10,575 | Form 4 |
| 1 Apr 2025 | Wright Iii Lassiter | Award | 169 | — | — | 360 | Form 4 |
| 1 Apr 2025 | Timothy M Ring | Award | 251 | — | — | 16,410 | Form 4 |
| 26 Mar 2025 | Patrick Plewman | Shares withheld for tax | 162 | 166.71 | 27.01K USD | 20,988 | Form 4 |
| 26 Mar 2025 | Mark E Delaney | Shares withheld for tax | 256 | 166.71 | 42.68K USD | 9,221 | Form 4 |
| 17 Mar 2025 | Michael E. Prevoznik | Sale | 4,643 | 170.00 | 789.31K USD | 38,117 | Form 4 |
| 5 Mar 2025 | Catherine T. Doherty | Sale | 5,370 | 174.13 | 935.08K USD | 68,068 | Form 4 |
| 4 Mar 2025 | Michael J. Deppe | Award | 1,711 | 173.74 | 297.27K USD | 35,232 | Form 4 |
| 4 Mar 2025 | Michael J. Deppe | Shares withheld for tax | 867 | 173.74 | 150.63K USD | 34,365 | Form 4 |
| 4 Mar 2025 | Catherine T. Doherty | Award | 10,380 | 173.74 | 1.80M USD | 78,448 | Form 4 |
| 4 Mar 2025 | Catherine T. Doherty | Shares withheld for tax | 5,010 | 173.74 | 870.44K USD | 73,438 | Form 4 |
| 4 Mar 2025 | Catherine T. Doherty | Sale | 716 | 175.79 | 125.87K USD | 68,068 | Form 4 |
| 4 Mar 2025 | J. E. Davis | Award | 61,917 | 173.74 | 10.76M USD | 198,470 | Form 4 |
| 4 Mar 2025 | J. E. Davis | Shares withheld for tax | 31,656 | 173.74 | 5.50M USD | 166,814 | Form 4 |
| 4 Mar 2025 | Karthik Kuppusamy | Award | 4,434 | 173.74 | 770.36K USD | 14,998 | Form 4 |
| 4 Mar 2025 | Karthik Kuppusamy | Shares withheld for tax | 1,879 | 173.74 | 326.46K USD | 13,119 | Form 4 |
| 4 Mar 2025 | Patrick Plewman | Award | 5,674 | 173.74 | 985.80K USD | 23,430 | Form 4 |
| 4 Mar 2025 | Patrick Plewman | Shares withheld for tax | 2,280 | 173.74 | 396.13K USD | 21,150 | Form 4 |
| 4 Mar 2025 | Michael E. Prevoznik | Award | 8,549 | 173.74 | 1.49M USD | 46,666 | Form 4 |
| 4 Mar 2025 | Michael E. Prevoznik | Shares withheld for tax | 3,906 | 173.74 | 678.63K USD | 42,760 | Form 4 |
| 4 Mar 2025 | Michael E. Prevoznik | Sale | 592 | 175.79 | 104.07K USD | 38,117 | Form 4 |
| 4 Mar 2025 | Mark E Delaney | Award | 5,317 | 173.74 | 923.78K USD | 11,300 | Form 4 |
| 4 Mar 2025 | Mark E Delaney | Shares withheld for tax | 1,823 | 173.74 | 316.73K USD | 9,477 | Form 4 |
| 4 Mar 2025 | Sam A. Samad | Award | 13,884 | 173.74 | 2.41M USD | 34,061 | Form 4 |
| 4 Mar 2025 | Sam A. Samad | Shares withheld for tax | 7,684 | 173.74 | 1.34M USD | 26,377 | Form 4 |
| 3 Mar 2025 | Michael J. Deppe | Shares withheld for tax | 1,692 | 173.74 | 293.97K USD | 33,521 | Form 4 |
| 3 Mar 2025 | Catherine T. Doherty | Shares withheld for tax | 394 | 173.74 | 68.45K USD | 68,784 | Form 4 |
| 3 Mar 2025 | J. E. Davis | Shares withheld for tax | 1,662 | 173.74 | 288.76K USD | 136,553 | Form 4 |
| 3 Mar 2025 | Karthik Kuppusamy | Shares withheld for tax | 992 | 173.74 | 172.35K USD | 10,564 | Form 4 |
| 3 Mar 2025 | Patrick Plewman | Shares withheld for tax | 106 | 173.74 | 18.42K USD | 17,756 | Form 4 |
| 3 Mar 2025 | Michael E. Prevoznik | Shares withheld for tax | 322 | 173.74 | 55.94K USD | 38,709 | Form 4 |
| 27 Feb 2025 | Michael E. Prevoznik | Sale | 528 | 172.61 | 91.14K USD | 39,031 | Form 4 |
| 27 Feb 2025 | Catherine T. Doherty | Sale | 824 | 172.61 | 142.23K USD | 69,178 | Form 4 |
| 26 Feb 2025 | Sam A. Samad | Shares withheld for tax | 869 | 171.75 | 149.25K USD | 20,177 | Form 4 |
| 26 Feb 2025 | J. E. Davis | Shares withheld for tax | 2,966 | 171.75 | 509.41K USD | 138,215 | Form 4 |
| 26 Feb 2025 | Michael E. Prevoznik | Shares withheld for tax | 286 | 171.75 | 49.12K USD | 39,559 | Form 4 |
| 26 Feb 2025 | Patrick Plewman | Shares withheld for tax | 229 | 171.75 | 39.33K USD | 17,853 | Form 4 |
| 26 Feb 2025 | Karthik Kuppusamy | Shares withheld for tax | 233 | 171.75 | 40.02K USD | 11,546 | Form 4 |
| 26 Feb 2025 | Catherine T. Doherty | Shares withheld for tax | 455 | 171.75 | 78.15K USD | 70,002 | Form 4 |
| 26 Feb 2025 | Michael J. Deppe | Shares withheld for tax | 88 | 171.75 | 15.11K USD | 35,212 | Form 4 |
| 26 Feb 2025 | Mark E Delaney | Shares withheld for tax | 214 | 171.75 | 36.75K USD | 5,983 | Form 4 |
| 20 Feb 2025 | Michael E. Prevoznik | Sale | 604 | 170.99 | 103.28K USD | 39,845 | Form 4 |
| 20 Feb 2025 | Catherine T. Doherty | Sale | 899 | 170.99 | 153.72K USD | 70,457 | Form 4 |
| 19 Feb 2025 | Sam A. Samad | Shares withheld for tax | 1,031 | 169.71 | 174.97K USD | 21,046 | Form 4 |
| 19 Feb 2025 | Michael E. Prevoznik | Shares withheld for tax | 374 | 169.71 | 63.47K USD | 40,449 | Form 4 |
| 19 Feb 2025 | Patrick Plewman | Sale | 320 | 169.71 | 54.31K USD | 18,082 | Form 4 |
| 19 Feb 2025 | Karthik Kuppusamy | Shares withheld for tax | 287 | 169.71 | 48.71K USD | 11,779 | Form 4 |
| 19 Feb 2025 | Catherine T. Doherty | Sale | 535 | 169.71 | 90.79K USD | 71,356 | Form 4 |
| 19 Feb 2025 | Michael J. Deppe | Shares withheld for tax | 99 | 169.71 | 16.80K USD | 35,300 | Form 4 |
| 19 Feb 2025 | Mark E Delaney | Shares withheld for tax | 242 | 169.71 | 41.07K USD | 6,197 | Form 4 |
| 19 Feb 2025 | J. E. Davis | Shares withheld for tax | 2,936 | 169.71 | 498.27K USD | 141,181 | Form 4 |
| 12 Feb 2025 | J. E. Davis | Award | 18,149 | — | — | 144,117 | Form 4 |
| 12 Feb 2025 | J. E. Davis | Award | 69,633 | 165.30 | 11.51M USD | 69,633 | Form 4 |
| 12 Feb 2025 | Sam A. Samad | Award | 4,538 | — | — | 22,077 | Form 4 |
| 12 Feb 2025 | Sam A. Samad | Award | 17,403 | 165.30 | 2.88M USD | 17,403 | Form 4 |
| 12 Feb 2025 | Michael E. Prevoznik | Award | 2,345 | — | — | 40,823 | Form 4 |
| 12 Feb 2025 | Michael E. Prevoznik | Award | 8,991 | 165.30 | 1.49M USD | 8,991 | Form 4 |
| 12 Feb 2025 | Patrick Plewman | Award | 2,042 | — | — | 18,402 | Form 4 |
| 12 Feb 2025 | Patrick Plewman | Award | 7,833 | 165.30 | 1.29M USD | 7,833 | Form 4 |
| 12 Feb 2025 | Karthik Kuppusamy | Award | 2,269 | — | — | 12,066 | Form 4 |
| 12 Feb 2025 | Karthik Kuppusamy | Award | 8,702 | 165.30 | 1.44M USD | 8,702 | Form 4 |
| 12 Feb 2025 | Catherine T. Doherty | Award | 3,479 | — | — | 71,891 | Form 4 |
| 12 Feb 2025 | Catherine T. Doherty | Award | 13,344 | 165.30 | 2.21M USD | 13,344 | Form 4 |
| 12 Feb 2025 | Mark E Delaney | Award | 6,960 | 165.30 | 1.15M USD | 6,960 | Form 4 |
| 12 Feb 2025 | Mark E Delaney | Award | 1,815 | — | — | 6,439 | Form 4 |
| 12 Feb 2025 | Michael J. Deppe | Award | 454 | — | — | 35,399 | Form 4 |
| 12 Feb 2025 | Michael J. Deppe | Award | 1,738 | 165.30 | 287.29K USD | 1,738 | Form 4 |
| 5 Feb 2025 | Vicky B Gregg | Sale | 1,250 | 164.57 | 205.71K USD | 16,867 | Form 4 |
| 5 Feb 2025 | Mark E Delaney | Sale | 403 | 164.30 | 66.21K USD | 4,624 | Form 4 |
| 29 Jan 2025 | Vicky B Gregg | Other | 72 | 158.04 | 11.38K USD | 18,117 | Form 4 |
| 29 Jan 2025 | Sam A. Samad | Other | 35 | 158.04 | 5.53K USD | 17,539 | Form 4 |
| 29 Jan 2025 | Patrick Plewman | Other | 57 | 158.04 | 9.01K USD | 16,345 | Form 4 |
| 29 Jan 2025 | Karthik Kuppusamy | Other | 12 | 158.03 | 1.90K USD | 9,780 | Form 4 |
| 29 Jan 2025 | Mark E Delaney | Other | 4 | 158.03 | 632.10 USD | 5,027 | Form 4 |
| 2 Jan 2025 | Timothy M Ring | Award | 281 | — | — | 16,081 | Form 4 |
| 2 Jan 2025 | Wright Iii Lassiter | Award | 190 | — | — | 190 | Form 4 |
| 29 Nov 2024 | Michael E. Prevoznik | Option exercise | 35,146 | 86.63 | 3.04M USD | 73,624 | Form 4 |
| 29 Nov 2024 | Michael E. Prevoznik | Sale | 3,009 | 162.26 | 488.24K USD | 70,615 | Form 4 |
| 29 Nov 2024 | Michael E. Prevoznik | Sale | 32,137 | 163.15 | 5.24M USD | 38,478 | Form 4 |
| 29 Nov 2024 | Michael E. Prevoznik | Option exercise | 35,146 | 86.63 | 3.04M USD | — | Form 4 |
| 27 Nov 2024 | Catherine T. Doherty | Option exercise | 33,103 | 103.57 | 3.43M USD | 101,515 | Form 4 |
| 27 Nov 2024 | Catherine T. Doherty | Sale | 4,803 | 162.14 | 778.78K USD | 96,712 | Form 4 |
| 27 Nov 2024 | Catherine T. Doherty | Sale | 28,300 | 163.13 | 4.62M USD | 68,412 | Form 4 |
| 27 Nov 2024 | Catherine T. Doherty | Option exercise | 33,103 | 103.57 | 3.43M USD | — | Form 4 |
Common questions about Quest Diagnostics's executives and insiders
Source: Financial Modeling Prep
