QUEST DIAGNOSTICS INC
For the period ended Sep 30, 2026. Filed Oct 23, 2026.
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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.
Sep 30, 2026 · Filed Oct 23, 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.
| Name | Title | Type of Trading Arrangement | Security | Action | Date of Action | Duration of Trading Arrangement | Aggregate Number of Securities Covered |
|---|---|---|---|---|---|---|---|
| Michael J. Deppe | SVP, Corporate Controller and Chief Accounting Officer | Rule 10b5-1 plan to sell | Common Stock | Adoption | August 13, 2026 | August 13, 2026 to August 13, 2027* | Up to 11,776* |
| Cathy Doherty | EVP | Rule 10b5-1 plan to sell | Common Stock | Adoption | August 3, 2026 | August 3, 2026 to April 30, 2027* | Up to 34,252* |
| Karthik Kuppusamy | SVP, Clinical Solutions | Rule 10b5-1 plan to sell | Common Stock | Adoption | August 26, 2026 | August 26, 2026 to April 30, 2027* | Up to 1,000* |
| Patrick Plewman | SVP, Diagnostic Services | Rule 10b5-1 plan to sell | Common Stock | Adoption | August 11, 2026 | August 11, 2026 to March 31, 2027* | Up to 40,553* |
| James E. Davis | Chairman, Chief Executive Officer and President | Rule 10b5-1 plan to sell | Common Stock | Adoption | August 10, 2026 | August 10, 2026 to December 31, 2027* | Up to 172,095* |
- Includes shares of common stock to be released from (a) stock options and/or restricted stock units that are expected to vest and/or (b) performance share awards that may vest, subject to the satisfaction of the applicable performance metrics. The actual number of shares of common stock that will be released is not yet determinable and the actual number of shares of common stock that will be sold will be net of the number of shares withheld to satisfy tax withholding obligations.
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