QUEST DIAGNOSTICS INC 8-K

What Happened
Quest Diagnostics Inc. (DGX) filed a Form 8-K on January 12, 2026 to furnish an investor presentation under Item 7.01 (Regulation FD Disclosure). The presentation dated January 12, 2026 is included as Exhibit 99.1 to the report. The filing also includes the cover page formatted in Inline XBRL as Exhibit 104.

Key Details

• Filing date: January 12, 2026 (Form 8-K)
• Item reported: 7.01 (Regulation FD Disclosure) — presentation furnished to the public
• Exhibit 99.1: Investor presentation dated January 12, 2026 (furnished)
• Exhibit 104: Cover page from the current report formatted in Inline XBRL

Why It Matters
This 8-K makes Quest Diagnostics’ January 12, 2026 presentation publicly available, ensuring broad, simultaneous disclosure under Regulation FD. Investors should review the presentation for the company’s latest messaging, data, or guidance; because the material was furnished (not filed), it may contain forward-looking statements and contextual investor information rather than formal SEC-filed financial statements.