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QUEST DIAGNOSTICS INC

For the period ended Mar 31, 2026. Filed Apr 22, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed Apr 22, 2026

DGX$259.67+1.6%Stored close · as of Nov 9, 2026

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Item 5. Other Information

a. None

b. None

c. Rule 10b5-1 and Non-Rule 10b5-1 Trading Arrangements by Our Directors and Officers

During the quarterly period covered by this report, our directors and officers (as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934, as amended)adopted, terminated or modified the Rule 10b5-1 trading arrangements (as defined in Item 408 of Regulation S-K) set forth in the table below. No non-Rule 10b5-1 trading arrangements were adopted, modified orterminated by any director or officer during the quarterly period covered by this report.

NameTitleType of Trading ArrangementSecurityActionDate of ActionDuration of Trading ArrangementAggregate Number of Securities Covered
Karthik KuppusamySVP, Clinical SolutionsRule 10b5-1 plan to sellCommon StockAdoptionFebruary 26, 2026February 26, 2026 to February 26, 2027*Up to 8,147*
  • Includes shares of common stock to be released from stock options.
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.