DGX · CIK 0001022079
QUEST DIAGNOSTICS INC (DGX) SEC Filings
Browse 2378 SEC filings for QUEST DIAGNOSTICS INC, covering Sep 23, 1996 through Jul 2, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,378
Filed in the last 12 months
132
History covered
1996–2026
Latest filing
4
Latest important filings
Jump directly to the most recent annual, quarterly, and current reports.
Latest annual report
10-K
Annual report · Feb 26, 2026
Open original filingLatest quarterly report
10-Q
Quarterly report · Apr 22, 2026
Open original filingLatest company update
8-K
Shareholder vote · May 21, 2026
Open original filingComplete filing history
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50 filings
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Search by form or description, filter by purpose and year, and open the original SEC document.
| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | Change in insider ownership | Jul 1, 2026 | Jul 2, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 18, 2026 |
| 4 | Change in insider ownership | Jun 4, 2026 | Jun 8, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 4, 2026 |
| 4 | Change in insider ownership | Jun 1, 2026 | Jun 2, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 1, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 4 | Change in insider ownership | May 20, 2026 | May 21, 2026 |
| 8-K | Shareholder vote | May 20, 2026 | May 21, 2026 |
| 8-K | Material agreement | May 6, 2026 | May 8, 2026 |
| 8-K | Other material event | Apr 27, 2026 | May 1, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 30, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
| 424B2 | 424B2 filing | — | Apr 28, 2026 |
| FWP | FWP filing | — | Apr 27, 2026 |
| 424B2 | 424B2 filing | — | Apr 27, 2026 |
| 4 | Change in insider ownership | Apr 20, 2026 | Apr 24, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
84 filings
2025
143 filings
2024
114 filings
2023
82 filings
2022
82 filings
2021
68 filings
2020
94 filings
2019
104 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.