Quest Diagnostics Inc.
DGX US74834L1008
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the us. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
Annual Performance 1
| 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 45% | -3% | -10% | 9% | 1% |
Annual Insiders Turnover, USD 2
1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);
Insider Activity
| Person | Price | Shares | Total | Published | Completed |
|---|---|---|---|---|---|
| Prevoznik Michael E VP |
187.22 USD |
83 Sold |
15,539 USD |
26/09/2025 | 26/09/2025 |
| Prevoznik Michael E VP |
188.66 USD |
144 Sold |
27,167 USD |
26/09/2025 | 26/09/2025 |
| Prevoznik Michael E VP |
187.02 USD |
175 Sold |
32,729 USD |
23/09/2025 | 24/09/2025 |
| Prevoznik Michael E VP |
187.12 USD |
28,288 Sold |
5,293,313 USD |
23/09/2025 | 23/09/2025 |
| Plewman Patrick SR VP |
185.00 USD |
1,975 Sold |
365,375 USD |
21/08/2025 | 21/08/2025 |
| Plewman Patrick SR VP |
183.00 USD |
4,532 Sold |
829,356 USD |
19/08/2025 | 19/08/2025 |
| Plewman Patrick VP |
180.00 USD |
1,975 Sold |
355,500 USD |
15/08/2025 | 15/08/2025 |
| Plewman Patrick VP |
175.00 USD |
3,560 Sold |
623,000 USD |
06/08/2025 | 06/08/2025 |
| Plewman Patrick VP |
175.00 USD |
1,975 Sold |
345,625 USD |
06/08/2025 | 06/08/2025 |
| Kuppusamy Karthik VP |
170.00 USD |
2,210 Sold |
375,700 USD |
30/07/2025 | 31/07/2025 |