QUEST DIAGNOSTICS INC — All Filings
1,003 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-12B
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10-K405
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144
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25
25-NSE
3
3/A
4
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424B2
424B3
424B4
424B5
424B7
425
5
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S-3
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SC 13D
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SC 13E3/A
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SC TO-T
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SCHEDULE 13G
SCHEDULE 13G/A
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-002167 | Mar 27, 2026 | — |
| 8-K | CURRENT REPORT | 0000947871-26-000244 | Mar 12, 2026 | Mar 9, 2026 |
| 4 | FORM 4 | 0001252016-26-000004 | Mar 11, 2026 | Mar 9, 2026 |
| 3 | FORM 3 | 0001022079-26-000034 | Mar 11, 2026 | Mar 9, 2026 |
| 4 | FORM 4 | 0001022079-26-000032 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000031 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000030 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000029 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000028 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000027 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000026 | Mar 6, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001022079-26-000025 | Mar 6, 2026 | Mar 4, 2026 |
| 144 | — | 0001959173-26-001954 | Mar 5, 2026 | — |
| 144 | — | 0001959173-26-001944 | Mar 5, 2026 | — |
| 144 | — | 0001959173-26-001941 | Mar 5, 2026 | — |
| 4 | FORM 4 | 0001022079-26-000024 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000023 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000022 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000021 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000020 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000019 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000018 | Mar 4, 2026 | Mar 2, 2026 |
| 4 | FORM 4 | 0001022079-26-000017 | Mar 4, 2026 | Mar 2, 2026 |
| 144 | — | 0001959173-26-001786 | Mar 3, 2026 | — |
| 144 | — | 0001959173-26-001777 | Mar 3, 2026 | — |
| 144 | — | 0001959173-26-001773 | Mar 3, 2026 | — |
| 144 | — | 0001959173-26-001661 | Mar 2, 2026 | — |
| 10-K | 10-K | 0001022079-26-000015 | Feb 26, 2026 | Dec 31, 2025 |
| 4 | FORM 4 | 0001497368-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001694295-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001222679-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001599837-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001520897-26-000003 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001955217-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001955265-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001771759-26-000002 | Feb 20, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001022079-26-000011 | Feb 20, 2026 | Jan 28, 2026 |
| 4 | FORM 4 | 0001197607-26-000002 | Feb 20, 2026 | Jan 28, 2026 |
| 4 | FORM 4 | 0001510304-26-000002 | Feb 20, 2026 | Jan 28, 2026 |
| 144 | — | 0001959173-26-001198 | Feb 19, 2026 | — |
| 144 | — | 0001959173-26-001193 | Feb 19, 2026 | — |
| 144 | — | 0001959173-26-001192 | Feb 19, 2026 | — |
| 4 | FORM 4 | 0001022079-26-000009 | Feb 17, 2026 | Feb 13, 2026 |
| 144 | — | 0001959173-26-000952 | Feb 13, 2026 | — |
| 4 | FORM 4 | 0001022079-26-000008 | Feb 12, 2026 | Jan 28, 2026 |
| 144 | — | 0001959173-26-000806 | Feb 10, 2026 | — |
| 8-K | 8-K | 0001022079-26-000005 | Feb 10, 2026 | — |
| 8-K | CURRENT REPORT | 0000947871-26-000025 | Jan 12, 2026 | — |
| 4 | FORM 4 | 0001022079-25-000233 | Nov 28, 2025 | Nov 25, 2025 |
| 4 | FORM 4 | 0001022079-25-000232 | Nov 28, 2025 | Nov 25, 2025 |