Quest Diagnostics Inc SEC filings DGX
Quest Diagnostics Inc has 1,005 filings in SEC EDGAR's recent list, going back to Aug 22, 2016. Its latest annual report, Form 10-K, was filed on Feb 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 23, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 22, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 6, 2026 | — |
| DEF 14A | Proxy statement | Apr 6, 2026 | May 20, 2026 |
| DEFA14A | Additional proxy material | Apr 11, 2025 | — |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 15, 2025 |
| DEFA14A | Additional proxy material | Apr 5, 2024 | — |
| DEF 14A | Proxy statement | Apr 5, 2024 | May 16, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 25, 2024 | May 16, 2024 |
| DEFA14A | Additional proxy material | Apr 6, 2023 | — |
| DEF 14A | Proxy statement | Apr 6, 2023 | — |
| DEF 14A | Proxy statement | Apr 19, 2022 | May 18, 2022 |
| PRE 14A | Preliminary proxy statement | Apr 5, 2022 | May 18, 2022 |
| DEFA14A | Additional proxy material | Apr 9, 2021 | — |
| DEF 14A | Proxy statement | Apr 9, 2021 | May 21, 2021 |
| DEFA14A | Additional proxy material | May 5, 2020 | — |
| DEFA14A | Additional proxy material | Apr 8, 2020 | — |
| DEF 14A | Proxy statement | Apr 8, 2020 | May 19, 2020 |
| DEFA14A | Additional proxy material | May 1, 2019 | — |
| DEFA14A | Additional proxy material | Apr 3, 2019 | — |
| DEF 14A | Proxy statement | Apr 3, 2019 | May 14, 2019 |
| DEFA14A | Additional proxy material | Apr 4, 2018 | — |
| DEF 14A | Proxy statement | Apr 4, 2018 | May 15, 2018 |
| PRE 14A | Preliminary proxy statement | Mar 23, 2018 | May 15, 2018 |
| DEFA14A | Additional proxy material | Apr 6, 2017 | — |
| DEF 14A | Proxy statement | Apr 5, 2017 | May 16, 2017 |
Showing 25 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Medical Laboratories (SIC 8071)
- Listed as
- DGX (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Secaucus, NJ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1022079
- Former names
- CORNING CLINICAL LABORATORIES INC (until Mar 19, 1997)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.