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Quest Diagnostics Insider Trading Activity | NYSE:DGX | Benzinga
Track the latest Quest Diagnostics insider trading activity. Stay informed on recent buys, sells, and market impact for Quest Diagnostics stock.
What is Insider Activity?
Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.
What are Quest Diagnostics Inc Insiders Doing?
At Quest Diagnostics Inc, recent insider activity has drawn attention. Over the last 30 days, insiders have reported selling a total of 12.11K shares worth $2.09M, meanwhile, insiders have report no purchases in the last 30 days.
Notable Recent Insider Buys and Sales
- On February 21, 2025, Patrick Plewman, the company's SVP FOR DIAGNOSTIC SERVICES sold 320 shares for $169.71 each.
- On February 7, 2025, Mark E Delaney, the company's SVP & CHIEF COMMERCIAL OFFICER sold 403 shares for $164.3 each.
- On February 28, 2025, Michael E Prevoznik, the company's SVP & GENERAL COUNSEL sold 814 shares for $172.31 each.
Ownership Statistics for Quest Diagnostics Inc
Shares Outstanding
110.978M
Insider Shares Owned
2.112M
Insider Percentage Owned
1.90%
Institutional Shares Held
77.753M
Institutional Percentage Held
70.1%
| Mar 19, 2025 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -4.64K | $170.00 | -$789.31K | SELL | -9.59% | 43.76K | Mar 17 | View |
| Mar 07, 2025 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | -5.37K | $174.13 | -$935.08K | SELL | -6.90% | 72.50K | Mar 05 | View |
| Mar 05, 2025 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | 4.26K | $173.86 | $738.66K | GRANT | 5.79% | 77.86K | Mar 03 - Mar 04 | View |
| Mar 05, 2025 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 3.73K | $173.87 | $646.66K | GRANT | 8.35% | 48.40K | Mar 03 - Mar 04 | View |
| Feb 28, 2025 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -814.00 | $172.31 | -$140.26K | SELL | -1.79% | 44.67K | Feb 26 - Feb 27 | View |
| Feb 28, 2025 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | -1.28K | $172.30 | -$220.38K | SELL | -1.71% | 73.61K | Feb 26 - Feb 27 | View |
| Feb 21, 2025 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -978.00 | $170.50 | -$166.75K | SELL | -2.10% | 45.49K | Feb 19 - Feb 20 | View |
| Feb 21, 2025 | Patrick Plewman | SVP FOR DIAGNOSTIC SERVICES | -320.00 | $169.71 | -$54.31K | SELL | -1.74% | 18.08K | Feb 19 | View |
| Feb 21, 2025 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | -1.43K | $170.51 | -$244.51K | SELL | -1.88% | 74.89K | Feb 19 - Feb 20 | View |
| Feb 07, 2025 | Vicky B Gregg | DIRECTOR | -1.25K | $164.57 | -$205.71K | SELL | -6.90% | 16.87K | Feb 05 | View |
| Feb 07, 2025 | Mark E Delaney | SVP & CHIEF COMMERCIAL OFFICER | -403.00 | $164.30 | -$66.21K | SELL | -8.02% | 4.62K | Feb 05 | View |
| Dec 02, 2024 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $124.85 | -$2.69M | SELL-OPTIONS | 0.00% | 44.10K | Nov 29 | View |
| Dec 02, 2024 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | 0.00 | $133.28 | -$1.97M | SELL-OPTIONS | 0.00% | 72.80K | Nov 27 | View |
| Nov 07, 2024 | Michael J Deppe | SVP, CORP. CONTROLLER & CAO | 0.00 | $111.35 | -$1.60M | SELL-OPTIONS | 0.00% | 35.63K | Nov 06 | View |
| Oct 30, 2024 | Karthik Kuppusamy | SVP, CLINICAL SOLUTIONS | -1.77K | $156.92 | -$278.53K | SELL | -13.58% | 11.30K | Oct 28 | View |
| Sep 03, 2024 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $125.38 | -$1.93M | SELL-OPTIONS | 0.00% | 44.07K | Aug 29 | View |
| Aug 29, 2024 | Karthik Kuppusamy | SVP, CLINICAL SOLUTIONS | -1.99K | $153.26 | -$304.99K | SELL | -13.26% | 13.02K | Aug 28 | View |
| Jul 26, 2024 | Mark E Delaney | SVP & CHIEF COMMERCIAL OFFICER | -414.00 | $145.03 | -$59.21K | SELL | -7.62% | 5.02K | Jul 22 - Jul 24 | View |
| May 01, 2024 | Karthik Kuppusamy | SVP, CLINICAL SOLUTIONS | -1.76K | $140.00 | -$246.40K | SELL | -10.51% | 14.99K | Apr 29 | View |
| Mar 01, 2024 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | -7.95K | $126.44 | -$1.00M | SELL | -9.84% | 72.76K | Feb 28 - Feb 29 | View |
| Mar 01, 2024 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -6.47K | $125.94 | -$815.11K | SELL | -12.82% | 44.02K | Feb 28 - Feb 29 | View |
| Feb 23, 2024 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -1.07K | $125.71 | -$134.26K | SELL | -2.28% | 45.75K | Feb 21 - Feb 22 | View |
| Feb 23, 2024 | Vicky B Gregg | DIRECTOR | -2.50K | $126.64 | -$316.60K | SELL | -13.28% | 16.33K | Feb 23 | View |
| Feb 23, 2024 | Catherine T Doherty | EVP, REGIONAL BUSINESSES | -1.31K | $125.72 | -$165.20K | SELL | -1.72% | 75.15K | Feb 21 - Feb 22 | View |
| Mar 08, 2023 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $145.84 | $34.75K | GRANT | 0.00% | 43.94K | Mar 06 - Mar 07 | View |
| Mar 08, 2023 | Catherine T Doherty | SVP, REGIONAL BUSINESSES | 0.00 | $145.90 | $38.79K | GRANT | 0.00% | 72.06K | Mar 06 - Mar 07 | View |
| Mar 06, 2023 | Catherine T Doherty | SVP, REGIONAL BUSINESSES | -717.00 | $140.63 | -$100.83K | SELL | -0.99% | 72.06K | Mar 03 | View |
| Mar 03, 2023 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -913.00 | $139.29 | -$127.18K | SELL | -2.04% | 43.94K | Mar 01 - Mar 02 | View |
| Feb 27, 2023 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 216.00 | $143.77 | -$320.02K | GRANT | 0.48% | 44.85K | Feb 23 - Feb 24 | View |
| Feb 27, 2023 | Catherine T Doherty | SVP, REGIONAL BUSINESSES | 1.19K | $143.76 | -$381.24K | GRANT | 1.65% | 73.17K | Feb 23 - Feb 24 | View |
| Dec 05, 2022 | Timothy M Ring | DIRECTOR | 0.00 | $104.94 | -$192.60K | SELL-OPTIONS | 0.00% | 24.15K | Dec 01 | View |
| Nov 29, 2022 | Catherine T Doherty | SVP, REGIONAL BUSINESSES | 0.00 | $117.90 | -$2.55M | SELL-OPTIONS | 0.00% | 71.96K | Nov 28 | View |
| Nov 02, 2022 | Timothy M Ring | DIRECTOR | 0.00 | $102.56 | -$165.98K | SELL-OPTIONS | 0.00% | 24.15K | Nov 01 | View |
| Oct 27, 2022 | Michael J Deppe | VP, CORP. CONTROLLER & CAO | 0.00 | $99.40 | -$1.41M | SELL-OPTIONS | 0.00% | 32.67K | Oct 26 | View |
| Oct 04, 2022 | Timothy M Ring | DIRECTOR | 0.00 | $92.31 | -$124.33K | SELL-OPTIONS | 0.00% | 23.93K | Oct 03 | View |
| Sep 06, 2022 | Timothy M Ring | DIRECTOR | 0.00 | $93.12 | -$127.59K | SELL-OPTIONS | 0.00% | 23.93K | Sep 01 | View |
| Aug 02, 2022 | Timothy M Ring | DIRECTOR | 0.00 | $98.45 | -$150.37K | SELL-OPTIONS | 0.00% | 23.93K | Aug 01 | View |
| Jul 05, 2022 | Timothy M Ring | DIRECTOR | 0.00 | $95.46 | -$152.03K | SELL-OPTIONS | 0.00% | 23.93K | Jul 01 | View |
| May 26, 2022 | Stephen H Rusckowski | CHAIRMAN, CEO AND PRESIDENT | 0.00 | $117.18 | -$1.18M | SELL-OPTIONS | 0.00% | 334.83K | May 25 | View |
| May 25, 2022 | Stephen H Rusckowski | CHAIRMAN, CEO AND PRESIDENT | 0.00 | $117.17 | -$16.53M | SELL-OPTIONS | 0.00% | 334.83K | May 23 - May 24 | View |
| May 19, 2022 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $103.24 | -$3.72M | SELL-OPTIONS | 0.00% | 44.56K | May 17 | View |
| Mar 09, 2022 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $131.47 | -$31.89K | GRANT | 0.00% | 44.53K | Mar 07 - Mar 08 | View |
| Mar 09, 2022 | Catherine T Doherty | SVP, GROUP EXEC. CLIN. FRAN. | 0.00 | $131.43 | -$36.00K | GRANT | 0.00% | 71.90K | Mar 07 - Mar 08 | View |
| Mar 02, 2022 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -661.00 | $130.00 | -$85.93K | SELL | -1.46% | 44.53K | Feb 28 | View |
| Feb 28, 2022 | Catherine T Doherty | SVP, GROUP EXEC. CLIN. FRAN. | 578.00 | $126.26 | -$347.21K | GRANT | 0.81% | 71.90K | Feb 24 | View |
| Feb 28, 2022 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 1.07K | $126.26 | -$210.73K | GRANT | 2.43% | 45.19K | Feb 24 | View |
| Dec 01, 2021 | Catherine T Doherty | SVP, GROUP EXEC. CLIN. FRAN. | 0.00 | $126.30 | -$2.29M | SELL-OPTIONS | 0.00% | 72.86K | Nov 29 | View |
| Jul 30, 2021 | Stephen H Rusckowski | CHAIRMAN, CEO AND PRESIDENT | 0.00 | $117.99 | -$6.63M | SELL-OPTIONS | 0.00% | 284.43K | Jul 28 - Jul 29 | View |
| Jul 28, 2021 | Stephen H Rusckowski | CHAIRMAN, CEO AND PRESIDENT | 0.00 | $117.90 | -$1.71M | SELL-OPTIONS | 0.00% | 284.43K | Jul 26 - Jul 27 | View |
| Jul 28, 2021 | Gail R Wilensky | DIRECTOR | 0.00 | $99.35 | -$976.54K | SELL-OPTIONS | 0.00% | 31.22K | Jul 27 | View |
| May 11, 2021 | Catherine T Doherty | SVP, GROUP EXEC. CLIN. FRAN. | -8.54K | $139.96 | -$1.19M | SELL | -10.49% | 72.83K | May 07 | View |
| May 07, 2021 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $104.09 | -$2.96M | SELL-OPTIONS | 0.00% | 45.38K | May 05 | View |
| Mar 11, 2021 | Michael E Prevoznik | SVP & GENERAL COUNSEL | 0.00 | $116.86 | -$28.15K | GRANT | 0.00% | 45.36K | Mar 09 - Mar 10 | View |
| Mar 01, 2021 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -801.00 | $115.49 | -$92.51K | SELL | -1.73% | 45.37K | Feb 25 | View |
| Feb 25, 2021 | Michael E Prevoznik | SVP & GENERAL COUNSEL | -2.34K | $119.02 | -$278.04K | SELL | -4.82% | 46.17K | Feb 23 - Feb 24 | View |
| Dec 28, 2020 | Mark Guinan | — | 0.00 | $93.44 | -$4.40M | OPTION EXERCISE | 0.00% | 73.58K | Dec 24 | View |
| Nov 27, 2020 | Gail R Wilensky | — | 0.00 | $91.84 | -$417.73K | OPTION EXERCISE | 0.00% | 29.86K | Nov 24 | View |
| Nov 24, 2020 | Daniel Stanzione | — | -11.22K | $126.30 | -$1.42M | SELL | -28.36% | 28.35K | Nov 23 | View |
| Oct 23, 2020 | Michael J Deppe | — | 0.00 | $91.12 | -$708.01K | OPTION EXERCISE | 0.00% | 25.73K | Oct 21 | View |
| Oct 19, 2020 | Stephen H Rusckowski | — | 0.00 | $93.25 | -$15.62M | OPTION EXERCISE | 0.00% | 237.75K | Oct 16 | View |
| Oct 15, 2020 | Michael E Prevoznik | — | 0.00 | $85.58 | -$2.38M | OPTION EXERCISE | 0.00% | 45.26K | Oct 14 | View |
| Sep 04, 2020 | Catherine T Doherty | — | 0.00 | $88.56 | -$2.57M | OPTION EXERCISE | 0.00% | 72.47K | Sep 02 | View |
| Jun 10, 2020 | Mark Guinan | — | 0.00 | $94.20 | -$3.34M | OPTION EXERCISE | 0.00% | 73.58K | Jun 08 | View |
| Jun 10, 2020 | Timothy M Ring | — | 0.00 | $87.55 | -$681.51K | OPTION EXERCISE | 0.00% | 20.50K | Jun 08 | View |
| Apr 28, 2020 | Stephen H Rusckowski | — | 0.00 | $91.59 | -$478.53K | OPTION EXERCISE | 0.00% | 237.75K | Apr 27 | View |
| Apr 28, 2020 | Carrie Eglinton Manner | — | -5.00K | $111.02 | -$555.08K | SELL | -18.25% | 22.39K | Apr 27 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.