Recent News

• 10.22.2026 - Quest Diagnostics Reports Third Quarter 2026 Financial Results; Raises Revenue and EPS Guidance for Full Year 2026
• 10.19.2026 - Current Screening Thresholds May Miss Half of Patients with Primary Aldosterone, a Leading Cause of Severe High Blood Pressure, Finds Study in Hypertension
• 10.01.2026 - Haystack MRD® Demonstrates Robust Clinical Performance in Specimen Cohort from the Landmark DYNAMIC Colorectal Cancer Trials
• 09.22.2026 - Quest Diagnostics to Release Third Quarter Financial Results on October 22, 2026
• 09.21.2026 - Nearly 1 in 3 Patients with Suspected Lyme Disease are Co-Positive for Other Tick-Borne Pathogens, Finds Study by Quest Diagnostics
• 09.16.2026 - Nine in 10 Voters Express Concern That Medicare Lab Payment Cuts Will Harm Patient Access to Diagnostic Lab Testing, Finds National Survey from Quest Diagnostics
• 09.09.2026 - Apple Health app Users to be Able to Order Labs from Quest Diagnostics
• 08.25.2026 - Humanity Brings Biological Age Analysis to the U.S. Through questhealth.com
• 08.25.2026 - Quest Diagnostics to Speak at the Baird 2026 Global Healthcare Conference
• 08.24.2026 - Quest Diagnostics to Speak at the Morgan Stanley 24th Annual Global Healthcare Conference

Recent Filings

• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 4 Statement of changes in beneficial ownership of securities
• 10.23.2026 - 10-Q Quarterly report [Sections 13 or 15(d)]
• 10.22.2026 - 8-K Current report