Quest Diagnostics Inc SEC filings DGX
Quest Diagnostics Inc has 1,001 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 |
|---|---|---|---|
| 424B2 | Prospectus | Apr 28, 2026 | — |
| FWP | Free writing prospectus | Apr 27, 2026 | — |
| 424B2 | Prospectus | Apr 27, 2026 | — |
| S-3ASR | Automatic shelf registration | Jun 20, 2025 | — |
| 424B2 | Prospectus | Aug 16, 2024 | — |
| FWP | Free writing prospectus | Aug 15, 2024 | — |
| 424B2 | Prospectus | Aug 15, 2024 | — |
| 424B2 | Prospectus | Oct 31, 2023 | — |
| FWP | Free writing prospectus | Oct 30, 2023 | — |
| 424B2 | Prospectus | Oct 30, 2023 | — |
| S-8 | Employee stock plan registration | Oct 27, 2023 | — |
| S-3ASR | Automatic shelf registration | Jul 25, 2022 | — |
| 424B2 | Prospectus | May 13, 2020 | — |
| FWP | Free writing prospectus | May 11, 2020 | — |
| 424B2 | Prospectus | May 11, 2020 | — |
| 424B2 | Prospectus | Dec 10, 2019 | — |
| FWP | Free writing prospectus | Dec 9, 2019 | — |
| 424B2 | Prospectus | Dec 9, 2019 | — |
| S-8 | Employee stock plan registration | Oct 25, 2019 | — |
| S-3ASR | Automatic shelf registration | Jun 14, 2019 | — |
| 424B2 | Prospectus | Mar 11, 2019 | — |
| FWP | Free writing prospectus | Mar 7, 2019 | — |
| 424B2 | Prospectus | Mar 7, 2019 | — |
| S-8 | Employee stock plan registration | Oct 23, 2017 | — |
| S-8 | Employee stock plan registration | Oct 24, 2016 | — |
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.