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Quest Diagnostics Inc SEC Filings
What Quest Diagnostics Inc has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
DGX overview →Filings on file
126
since Oct 20, 2016
Warning signs
0
none filed
Last results
Jul 23, 2026
8-K item 2.02
Industry
Services-Medical Laboratories
SIC 8071
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Oct 6, 2026 | Executive or director change 8-K | Read ↗ |
| Mar 12, 2026 | Executive or director change 8-K | Read ↗ |
| May 21, 2024 | Executive or director change 8-K | Read ↗ |
| Sep 29, 2023 | Executive or director change 8-K | Read ↗ |
| Nov 18, 2022 | Executive or director change 8-K | Read ↗ |
| Nov 1, 2022 | Executive or director change 8-K | Read ↗ |
| Oct 28, 2022 | Executive or director change 8-K | Read ↗ |
| Jul 1, 2022 | Executive or director change 8-K/A | Read ↗ |
| Jun 14, 2022 | Executive or director change 8-K | Read ↗ |
| May 25, 2022 | Executive or director change 8-K | Read ↗ |
| Mar 2, 2022 | Executive or director change 8-K | Read ↗ |
| Mar 1, 2022 | Executive or director change 8-K | Read ↗ |
| Mar 1, 2022 | Executive or director change 8-K/A | Read ↗ |
| Feb 3, 2022 | Executive or director change 8-K | Read ↗ |
| Aug 19, 2021 | Executive or director change 8-K/A | Read ↗ |
| Aug 17, 2021 | Executive or director change 8-K | Read ↗ |
| Feb 23, 2021 | Executive or director change 8-K | Read ↗ |
| Feb 23, 2021 | Executive or director change 8-K | Read ↗ |
| Jun 24, 2020 | Executive or director change 8-K | Read ↗ |
| Mar 16, 2020 | Executive or director change 8-K | Read ↗ |
| Nov 21, 2019 | Executive or director change 8-K | Read ↗ |
| May 17, 2019 | Executive or director change 8-K/A | Read ↗ |
| Apr 1, 2019 | Executive or director change 8-K | Read ↗ |
| Mar 4, 2019 | Executive or director change 8-K | Read ↗ |
| Feb 22, 2019 | Executive or director change 8-K | Read ↗ |
| Feb 24, 2017 | Executive or director change 8-K | Read ↗ |
Source: Quest Diagnostics Inc's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
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