DGXQuest Diagnostics

Health care · Medical Labs · NYSE

Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. 10-K, Item 1

Employees: 57,000
Headquarters: Secaucus, NJ
CEO: J. E. Davis
Next results: around Jan 11, 2027

RevenueFY2016–25 $11.0B+11.8% Highest in 10 years 10-K FY2025 · XBRL Net incomeFY2016–25 $992.0M+13.9% FY2024: $871.0M 10-K FY2025 · XBRL Free cash flowFY2016–25 $1.4B+49.5% FY2024: $909.0M 10-K FY2025 · XBRL Operating marginFY2016–25 14.1%+0.5 pts 17.7% in FY2016 10-K FY2025 · XBRL

What changed

10-K filed Feb 26, 2026 against Feb 20, 2025

Area	What changed	Source
Risk factors	3 new paragraphs, nothing like them in the previous 10-K	10-K Item 1A
Accounting checks	11 other checks clear	10-K · XBRL
Insiders	No open-market buys in the last 90 days	Form 4
Filings	3 in the last 30 days	EDGAR

Each row opens the detail with the quote and the filing. A row is a change worth reading, not a verdict.

What's new, in their words

10-K filed Feb 26, 2026

Paragraphs in Risk Factors that were not in the 10-K filed 2025-02-20. Quoted as filed.

•the laws and regulations administered by foreign governments where we conduct clinical trials and operate outside of the United States;
10-K, Item 1A

All 3 new paragraphs →

Accounting checks

latest 10-K

11 of 11 clear 0 worth a look. Checks, not verdicts.

✓
Receivables +8.0% vs revenue +11.8% (-3.8 pts)
✓
Cash from operations $1.9B vs net income $992.0M (FY ending 2025-12-31)
✓
Inventory +0.5% vs revenue +11.8% (-11.2 pts)
✓
Same auditor in both 10-Ks: PricewaterhouseCoopers LLP
✓
No statement of substantial doubt about going concern
✓
No 8-K item 4.02 in the last 2 years
✓
No NT 10-K or NT 10-Q in the last 2 years
✓
No longer listed: Acquisition of LifeLabs - Valuation of Customer-Related and Trade Name Intangible Assets; F-2. Same as last year: Valuation of Diagnostic Information Services (DIS) Business Accounts Receivable - Contractual Allowances
✓
No sentence in the 10-K concludes that controls were not effective because of a material weakness
✓
No 8-K item 2.06 in the last 2 years
✓
No 8-K item 1.03 in the last 2 years

How each check works, with sources →

In the last 30 days

All filings →

Oct 23, 202610-Q Quarterly report (10-Q) period ended Sep 30, 2026
Oct 22, 20268-K Quarterly results 8-K item 2.02
Oct 22, 20268-K Other events 8-K item 8.01

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