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 |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 23, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Other events
|
Oct 22, 2026 | Oct 21, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2026 | Oct 22, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 6, 2026 | Oct 6, 2026 |
| 10-Q | Quarterly report | Jul 23, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Jul 23, 2026 | Jul 23, 2026 |
| 11-K | Employee savings plan report | Jun 18, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2026 | May 20, 2026 |
| 8-K |
Current report
Material agreement
|
May 8, 2026 | May 6, 2026 |
| 8-K |
Current report
Other events
|
May 1, 2026 | Apr 27, 2026 |
| 424B2 | Prospectus | Apr 28, 2026 | — |
| FWP | Free writing prospectus | Apr 27, 2026 | — |
| 424B2 | Prospectus | Apr 27, 2026 | — |
| 10-Q | Quarterly report | Apr 22, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 21, 2026 | Apr 21, 2026 |
| DEFA14A | Additional proxy material | Apr 6, 2026 | — |
| DEF 14A | Proxy statement | Apr 6, 2026 | May 20, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 12, 2026 | Mar 9, 2026 |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 10, 2026 | Feb 10, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2025 | Oct 21, 2025 |
| 10-Q | Quarterly report | Oct 21, 2025 | Sep 30, 2025 |
| 10-Q | Quarterly report | Jul 23, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2025 | Jul 22, 2025 |
| 11-K | Employee savings plan report | Jun 20, 2025 | Dec 31, 2024 |
| S-3ASR | Automatic shelf registration | Jun 20, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | Apr 23, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2025 | Apr 22, 2025 |
| DEFA14A | Additional proxy material | Apr 11, 2025 | — |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 15, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 19, 2025 | Mar 19, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 19, 2025 | Mar 19, 2025 |
| 10-K | Annual report | Feb 20, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Jan 30, 2025 | Jan 30, 2025 |
| 10-Q | Quarterly report | Oct 23, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2024 | Oct 22, 2024 |
| 8-K |
Current report
Other events
|
Aug 29, 2024 | Aug 23, 2024 |
| 8-K |
Current report
Material agreement, Bylaw or fiscal year change, Other events
|
Aug 19, 2024 | Aug 14, 2024 |
| 424B2 | Prospectus | Aug 16, 2024 | — |
| FWP | Free writing prospectus | Aug 15, 2024 | — |
| 424B2 | Prospectus | Aug 15, 2024 | — |
| 10-Q | Quarterly report | Jul 24, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 23, 2024 | Jul 23, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jul 3, 2024 | Jul 2, 2024 |
| 11-K | Employee savings plan report | Jun 21, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 21, 2024 | May 16, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 21, 2024 | May 16, 2024 |
| 10-Q | Quarterly report | Apr 24, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 23, 2024 | Apr 23, 2024 |
| PX14A6G | Filing | Apr 11, 2024 | — |
| 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 |
| 10-K | Annual report | Feb 22, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 1, 2024 | Feb 1, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Nov 1, 2023 | Oct 30, 2023 |
| 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 | — |
| 10-Q | Quarterly report | Oct 25, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 24, 2023 | Oct 24, 2023 |
| 8-K |
Current report
Officer or director change
|
Sep 29, 2023 | Sep 28, 2023 |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 26, 2023 | Jul 26, 2023 |
| 11-K | Employee savings plan report | Jun 22, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2023 | May 17, 2023 |
| 10-Q | Quarterly report | Apr 28, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 27, 2023 | Apr 27, 2023 |
| PX14A6G | Filing | Apr 10, 2023 | — |
| DEFA14A | Additional proxy material | Apr 6, 2023 | — |
| DEF 14A | Proxy statement | Apr 6, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 17, 2023 | Mar 16, 2023 |
| 8-K |
Current report
Other events
|
Mar 7, 2023 | Mar 3, 2023 |
| 10-K | Annual report | Feb 21, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 2, 2023 | Feb 2, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Nov 18, 2022 | Nov 14, 2022 |
| 8-K |
Current report
Officer or director change
|
Nov 1, 2022 | Oct 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Oct 28, 2022 | Oct 28, 2022 |
| 10-Q | Quarterly report | Oct 21, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 20, 2022 | Oct 20, 2022 |
| S-3ASR | Automatic shelf registration | Jul 25, 2022 | — |
| 10-Q | Quarterly report | Jul 22, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 21, 2022 | Jul 21, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
Jul 1, 2022 | Feb 3, 2022 |
| 11-K | Employee savings plan report | Jun 23, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 14, 2022 | Jun 8, 2022 |
| 8-K |
Current report
Officer or director change
|
May 25, 2022 | May 20, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 20, 2022 | May 19, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 20, 2022 | May 18, 2022 |
| 10-Q | Quarterly report | Apr 22, 2022 | Mar 31, 2022 |
| PX14A6G | Filing | Apr 22, 2022 | — |
| 8-K |
Current report
Results of operations
|
Apr 21, 2022 | Apr 21, 2022 |
| DEF 14A | Proxy statement | Apr 19, 2022 | May 18, 2022 |
| PRE 14A | Preliminary proxy statement | Apr 5, 2022 | May 18, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 2, 2022 | Feb 24, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 1, 2022 | Feb 24, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
Mar 1, 2022 | Feb 3, 2022 |
| 10-K | Annual report | Feb 28, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 3, 2022 | Feb 3, 2022 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 3, 2022 | Feb 3, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 12, 2022 | Jan 12, 2022 |
| 10-Q | Quarterly report | Oct 22, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 21, 2021 | Oct 21, 2021 |
| 8-K |
Current report
Other events
|
Oct 8, 2021 | Oct 8, 2021 |
| 8-K |
Current report
Other events
|
Sep 9, 2021 | Sep 9, 2021 |
| 8-K/A |
Amended current report
Officer or director change
|
Aug 19, 2021 | Aug 16, 2021 |
| 8-K |
Current report
Other events
|
Aug 18, 2021 | Aug 16, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 17, 2021 | Aug 16, 2021 |
| 10-Q | Quarterly report | Jul 23, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 22, 2021 | Jul 22, 2021 |
| 11-K | Employee savings plan report | Jun 28, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 25, 2021 | May 21, 2021 |
| 8-K |
Current report
Other events
|
Apr 28, 2021 | Apr 28, 2021 |
| 10-Q | Quarterly report | Apr 23, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2021 | Apr 22, 2021 |
| DEFA14A | Additional proxy material | Apr 9, 2021 | — |
| DEF 14A | Proxy statement | Apr 9, 2021 | May 21, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 11, 2021 | Mar 11, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Feb 23, 2021 | Feb 17, 2021 |
| 8-K |
Current report
Officer or director change
|
Feb 23, 2021 | Feb 23, 2021 |
| 10-K | Annual report | Feb 22, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 4, 2021 | Feb 4, 2021 |
| 8-K |
Current report
Other events
|
Dec 16, 2020 | Dec 16, 2020 |
| 8-K |
Current report
Other events
|
Nov 19, 2020 | Nov 18, 2020 |
| 10-Q | Quarterly report | Oct 23, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations, Other events
|
Oct 22, 2020 | Oct 22, 2020 |
| 8-K |
Current report
Other events
|
Sep 10, 2020 | Sep 10, 2020 |
| 8-K |
Current report
Other events
|
Aug 25, 2020 | Aug 24, 2020 |
| 10-Q | Quarterly report | Jul 24, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 23, 2020 | Jul 23, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 13, 2020 | Jul 13, 2020 |
| 11-K | Employee savings plan report | Jun 29, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 24, 2020 | Jun 19, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2020 | Jun 3, 2020 |
| 8-K |
Current report
Shareholder vote results
|
May 21, 2020 | May 19, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
May 13, 2020 | May 11, 2020 |
| 424B2 | Prospectus | May 13, 2020 | — |
| FWP | Free writing prospectus | May 11, 2020 | — |
| 424B2 | Prospectus | May 11, 2020 | — |
| DEFA14A | Additional proxy material | May 5, 2020 | — |
| 8-K |
Current report
Other events
|
May 4, 2020 | May 4, 2020 |
| 10-Q | Quarterly report | May 4, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 22, 2020 | Apr 22, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 13, 2020 | Apr 13, 2020 |
| DEFA14A | Additional proxy material | Apr 8, 2020 | — |
| DEF 14A | Proxy statement | Apr 8, 2020 | May 19, 2020 |
| 8-K |
Current report
Other events
|
Mar 31, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Officer or director change
|
Mar 16, 2020 | Mar 12, 2020 |
| 10-K | Annual report | Feb 20, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Jan 30, 2020 | Jan 30, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 17, 2019 | Dec 16, 2019 |
| 8-K |
Current report
Other events
|
Dec 12, 2019 | Dec 9, 2019 |
| 424B2 | Prospectus | Dec 10, 2019 | — |
| FWP | Free writing prospectus | Dec 9, 2019 | — |
| 424B2 | Prospectus | Dec 9, 2019 | — |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2019 | Nov 19, 2019 |
| S-8 | Employee stock plan registration | Oct 25, 2019 | — |
| 10-Q | Quarterly report | Oct 23, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 22, 2019 | Oct 22, 2019 |
| 10-Q | Quarterly report | Jul 24, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 23, 2019 | Jul 23, 2019 |
| 11-K | Employee savings plan report | Jun 27, 2019 | Dec 31, 2018 |
| S-3ASR | Automatic shelf registration | Jun 14, 2019 | — |
| 8-K |
Current report
Other events
|
Jun 3, 2019 | Jun 3, 2019 |
| 8-K/A |
Amended current report
Officer or director change
|
May 17, 2019 | Apr 1, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 17, 2019 | May 13, 2019 |
| DEFA14A | Additional proxy material | May 1, 2019 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 29, 2019 | Apr 24, 2019 |
| 10-Q | Quarterly report | Apr 24, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 23, 2019 | Apr 23, 2019 |
| DEFA14A | Additional proxy material | Apr 3, 2019 | — |
| DEF 14A | Proxy statement | Apr 3, 2019 | May 14, 2019 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2019 | Apr 1, 2019 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 12, 2019 | Mar 12, 2019 |
| 424B2 | Prospectus | Mar 11, 2019 | — |
| FWP | Free writing prospectus | Mar 7, 2019 | — |
| 424B2 | Prospectus | Mar 7, 2019 | — |
| 8-K |
Current report
Officer or director change
|
Mar 4, 2019 | Mar 4, 2019 |
| 8-K |
Current report
Officer or director change
|
Feb 22, 2019 | Feb 18, 2019 |
| 10-K | Annual report | Feb 21, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2019 | Feb 14, 2019 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 28, 2018 | Nov 28, 2018 |
| 10-Q | Quarterly report | Oct 24, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Oct 23, 2018 | Oct 23, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 21, 2018 | Aug 16, 2018 |
| 10-Q | Quarterly report | Jul 25, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Jul 24, 2018 | Jul 24, 2018 |
| 11-K | Employee savings plan report | Jun 15, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Other events
|
May 25, 2018 | May 24, 2018 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 18, 2018 | May 15, 2018 |
| 10-Q | Quarterly report | Apr 20, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
Apr 19, 2018 | Apr 19, 2018 |
| 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 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 2, 2018 | Feb 20, 2018 |
Showing 200 filings, the most recent 200. 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)
Other Services-Medical Laboratories companies
- Natera, Inc. NTRA
- Labcorp Holdings Inc. LH
- Guardant Health, Inc. GH
- Caris Life Sciences, Inc. CAI
- GRAIL, Inc. GRAL
- RadNet, Inc. RDNT
- BillionToOne, Inc. BLLN
- CareDx, Inc. CDNA
Source: SEC EDGAR filings. This is company-reported data, not investment advice.