Company facts
- Industry
- Services-Medical Laboratories
- Headquarters
- Secaucus, New Jersey
- Most recent report
- 10-Q, filed Jul 23, 2026
- Incorporated
- Delaware
- Filings on record
- 1,006+ filings
- On EDGAR
- CIK 1022079
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 41
News 8 of 123
Prospectuses and Registrations 8 of 28
- 424B2 Prospectus supplement for an offering Apr 28, 2026
- FWP Free writing prospectus Apr 27, 2026
- 424B2 Prospectus supplement for an offering Apr 27, 2026
- S-3ASR Automatic shelf registration Jun 20, 2025
- 424B2 Prospectus supplement for an offering Aug 16, 2024
- FWP Free writing prospectus Aug 15, 2024
- 424B2 Prospectus supplement for an offering Aug 15, 2024
- 424B2 Prospectus supplement for an offering Oct 31, 2023
Proxies 8 of 28
- DEFA14A Extra proxy material Apr 6, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 6, 2026
- DEFA14A Extra proxy material Apr 11, 2025
- DEFA14A Extra proxy material Apr 4, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 4, 2025
- PX14A6G Shareholder's own proxy material Apr 11, 2024
- DEFA14A Extra proxy material Apr 5, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 5, 2024
Ownership 8 of 772
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 14, 2026
- 4 Insider reported a trade Jul 29, 2026
- 144 Notice of a proposed sale of restricted stock Jul 28, 2026
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
- 4 Insider reported a trade Jul 27, 2026
Other 8 of 14
- 11-K Employee stock plan report Jun 18, 2026
- 11-K Employee stock plan report Jun 20, 2025
- 11-K Employee stock plan report Jun 21, 2024
- 11-K Employee stock plan report Jun 22, 2023
- 11-K Employee stock plan report Jun 23, 2022
- 11-K Employee stock plan report Jun 28, 2021
- 11-K Employee stock plan report Jun 29, 2020
- 11-K Employee stock plan report Jun 27, 2019
Everything here comes from Quest Diagnostics Inc's own filings on SEC EDGAR. The filing list is rechecked every hour.