$DGX 8-K SEC Filings

On October 21, 2026, Quest Diagnostics Incorporated (the “Company”) learned of unauthorized access to its Quanum LSM system, which certain clients use to place test orders, receive and look up results. The Company promptly initiated its ...

SECAUCUS, N.J., October 22, 2026 - Quest Diagnostics Incorporated (NYSE: DGX), a leading provider of diagnostic information services, today announced financial results for the third quarter ended September 30, 2026.

On October 6, 2026, Quest Diagnostics Incorporated (the “Company”) announced that Catherine T. Doherty will retire in July 2027. Until then, effective November 1, 2026, Ms. Doherty will transition to a new role as Executive Vice Presiden...