DGX Quest Diagnostics
company
SEC Filings & Insider Trading Activity 2026

CIK: 1022079
Health Care
Services-Medical Laboratories 47 filings
S&P 500

Latest Quest Diagnostics (DGX) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 26, 2026, a 10-Q quarterly report filed on October 21, 2025, an 8-K current report filed on May 1, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Quest Diagnostics (DGX) (SEC CIK 1022079), with AI-powered section-by-section summaries updated daily.

10-Q: 31
10-K: 11
8-K: 5

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 26, 2026
10-Q Quarterly Report
Oct 21, 2025
8-K Current Report
May 1, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Management Discussion & Analysis

  • Revenue $11.0B in FY2025; no explicit YoY dollar comparison provided in the MD&A text
  • Advanced Diagnostics segment — oncology, cardiometabolic, brain health, autoimmune, women's health/genetics — exceeded $1B revenue on double-digit growth
+3 more insights

Risk Factors

  • PAMA reimbursement reform risk: Congress introduced 2025 Results Act to fix structural flaws; prior 2018-2020 cuts exceeded original 10-year savings projections
  • Debt load $5.7B outstanding as of Dec 31, 2025 with restrictive covenants limiting operational flexibility
+3 more insights

Business Overview

  • Largest national lab services provider: ~$11.0B net revenue in 2025, serving ~⅓ of U.S. adult population annually and processing 244 million test requisitions
  • Advanced Diagnostics™ five-franchise segment (oncology, cardiometabolic, brain health, autoimmune, women's health) surpassed $1B revenue on double-digit growth
+3 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Risk Factors

  • No new or changed risk factors since 2024 10-K according to 10-Q filing
  • Continued exposure to regulatory risks from healthcare compliance and reimbursement policy changes

Management Discussion & Analysis

  • Revenue $2.82B for Q3 2025, up 13.1% YoY from $2.49B; DIS revenues $2.76B, up 13.5% YoY from $2.43B
  • Operating margin 13.7% vs 13.3% YoY; Operating income $386M, up 16.8% YoY from $330M
Read full Q3 2025 10-Q analysis →

AI 8-K Current Report Analysis
Recent 8-K Filings

Filed Mar 12, 2026
8-K
Full analysis →

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • Timothy Wentworth, ex-CEO of Walgreens Boots Alliance, elected to DGX Board on March 9, 2026
  • Appointed to Compensation & Leadership Development and Quality & Compliance Committees

Item 7.01: Regulation FD Disclosure

  • Quest Diagnostics elected Mr. Wentworth to its Board of Directors
  • Board composition change — new director additions can signal strategic shifts in oversight or targeted expertise

Annual Reports Archive
10-K

AI-powered analysis of Quest Diagnostics (DGX) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Quest Diagnostics (DGX) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of Quest Diagnostics (DGX) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$9.9B$9.3B$9.9B$11.0B
Operating Income$1.4B$1.3B$1.3B$1.6B
Net Income$946.0M$854.0M$871.0M$992.0M
Op. Margin14.4%13.6%13.6%14.1%
Net Margin9.6%9.2%8.8%9.0%
Balance Sheet
Total Assets$12.8B$14.0B$16.2B$16.2B
Equity$5.9B$6.3B$6.8B$7.2B
ROE16.1%13.5%12.9%13.8%

Source: XBRL financial data from Quest Diagnostics (DGX) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
May 1, 2026
8-K
Apr 21, 2026
8-K
Mar 12, 2026Analysis
10-K
Feb 26, 2026Dec 31, 2025Analysis
8-K
Feb 10, 2026
8-K
Jan 12, 2026
10-Q
Oct 21, 2025Sep 30, 2025Analysis
10-Q
Jul 23, 2025Jun 30, 2025
10-Q
Apr 23, 2025Mar 31, 2025
10-K
Feb 20, 2025Dec 31, 2024
10-Q
Oct 23, 2024Sep 30, 2024
10-Q
Jul 24, 2024Jun 30, 2024
10-Q
Apr 24, 2024Mar 31, 2024
10-K
Feb 22, 2024Dec 31, 2023
10-Q
Oct 25, 2023Sep 30, 2023
10-Q
Jul 27, 2023Jun 30, 2023
10-Q
Apr 28, 2023Mar 31, 2023
10-K
Feb 21, 2023Dec 31, 2022
10-Q
Oct 21, 2022Sep 30, 2022
10-Q
Jul 22, 2022Jun 30, 2022
10-Q
Apr 22, 2022Mar 31, 2022
10-K
Feb 28, 2022Dec 31, 2021
10-Q
Oct 22, 2021Sep 30, 2021
10-Q
Jul 23, 2021Jun 30, 2021
10-Q
Apr 23, 2021Mar 31, 2021

Frequently Asked Questions

What are the latest DGX SEC filings in 2026?

Quest Diagnostics (DGX) has filed a 10-K annual report on February 26, 2026, a 10-Q quarterly report on October 21, 2025, an 8-K current report on May 1, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did DGX file its most recent 10-K annual report?

Quest Diagnostics (DGX) filed its most recent 10-K annual report on February 26, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view DGX 10-Q quarterly reports?

Quest Diagnostics (DGX)'s most recent 10-Q quarterly report was filed on October 21, 2025. SignalX displays every DGX 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has DGX filed recently?

Quest Diagnostics (DGX)'s most recent 8-K was filed on May 1, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find DGX insider trading activity (Form 4)?

SignalX aggregates every DGX Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does DGX file with the SEC?

Quest Diagnostics (DGX) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new DGX filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Quest Diagnostics (DGX).

What is DGX's SEC CIK number?

Quest Diagnostics (DGX)'s SEC CIK (Central Index Key) number is 1022079. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1022079 to look up all DGX filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find DGX return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Quest Diagnostics (DGX) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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