CMCSA Comcast
company
SEC Filings & Insider Trading Activity 2026

CIK: 1166691
Communication Services
Cable & Other Pay Television Services 42 filings
Nasdaq 100
S&P 500

Latest Comcast (CMCSA) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 3, 2026, a 10-Q quarterly report filed on October 30, 2025, an 8-K current report filed on April 23, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Comcast (CMCSA) (SEC CIK 1166691), with AI-powered section-by-section summaries updated daily.

10-Q: 24
8-K: 9
10-K: 9

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 3, 2026
10-Q Quarterly Report
Oct 30, 2025
8-K Current Report
Apr 23, 2026

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

Management Discussion & Analysis

  • Revenue flat at $123.7B YoY with Connectivity & Platforms down 0.4% and Content & Experiences up 1.0%
  • Operating income $20.7B down 11.3%, adjusted EBITDA $37.4B down 1.8%, Residential Connectivity margin 37.7% vs 38.2%, Business Services margin 55.9% vs 56.7%
+3 more insights

Business Overview

  • Core business model: Integrated media and connectivity services through Comcast Technology Center and Content & Experiences segments
  • Strategic shift: Separation of CNBC headquarters ownership to Versant as of January 2, 2026
+2 more insights

Risk Factors

  • Intense competition from streaming services and telecom providers impacting subscriber growth
  • Exposure to potential FCC regulation changes affecting broadband pricing and net neutrality enforcement
+3 more insights

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

Management Discussion & Analysis

  • Revenue $31.2B, down 2.7% YoY; Content & Experiences down $11.7B vs $12.6B, partially offset by Corporate & Other growth
  • Operating income $5.53B, down 5.5% YoY; Adjusted EBITDA $9.67B, down 0.7% YoY; Adjusted EBITDA margin 31.0% vs ~30.4% (calculated)

Risk Factors

  • Continued cybersecurity threats risk compromising network infrastructure and customer data
  • Competition from streaming services and telecom providers impacting subscriber growth and pricing power
Read full Q3 2025 10-Q analysis →

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

Filed Mar 16, 2026
8-K
Full analysis →

Item 7.01: Regulation FD Disclosure

  • Comcast restructuring segment reporting and customer metrics beginning Q1 2026, signaling a meaningful change in how performance will be measured and disclosed
  • Pro forma financials, updated segment revenue/expenses, capex, and free cash flow trends available in Exhibit 99.1 — key reference for modeling the new structure
Filed Feb 27, 2026
8-K
Full analysis →

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • Gordon Smith added to Audit Committee, effective Feb 25, 2026 — completes his board integration following Feb 4 director appointment
  • Audit Committee placement signals governance confidence in Smith's financial oversight qualifications

Annual Reports Archive
10-K

AI-powered analysis of Comcast (CMCSA) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Comcast (CMCSA) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of Comcast (CMCSA) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$121.4B$121.6B$123.7B$123.7B
Operating Income$14.0B$23.3B$23.3B$20.7B
Net Income$5.4B$15.4B$16.2B$20.0B
Op. Margin11.6%19.2%18.8%16.7%
Net Margin4.4%12.7%13.1%16.2%
Balance Sheet
Total Assets$257.3B$264.8B$266.2B$272.6B
Equity$80.9B$82.7B$85.6B$96.9B
ROE6.6%18.6%18.9%20.6%

Source: XBRL financial data from Comcast (CMCSA) 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
Apr 23, 2026
8-K
Mar 16, 2026Analysis
8-K
Feb 27, 2026Analysis
10-K
Feb 3, 2026Dec 31, 2025Analysis
8-K
Jan 29, 2026
8-K
Jan 5, 2026
8-K
Dec 23, 2025
8-K
Dec 16, 2025
8-K
Dec 15, 2025
8-K
Dec 3, 2025
10-Q
Oct 30, 2025Sep 30, 2025Analysis
10-Q
Jul 31, 2025Jun 30, 2025
10-Q
Apr 24, 2025Mar 31, 2025
10-K
Jan 31, 2025Dec 31, 2024
10-Q
Oct 31, 2024Sep 30, 2024
10-Q
Jul 23, 2024Jun 30, 2024
10-Q
Apr 25, 2024Mar 31, 2024
10-K
Jan 31, 2024Dec 31, 2023
10-Q
Oct 26, 2023Sep 30, 2023
10-Q
Jul 27, 2023Jun 30, 2023
10-Q
Apr 27, 2023Mar 31, 2023
10-K
Feb 3, 2023Dec 31, 2022
10-Q
Oct 27, 2022Sep 30, 2022
10-Q
Jul 28, 2022Jun 30, 2022
10-Q
Apr 28, 2022Mar 31, 2022

Frequently Asked Questions

What are the latest CMCSA SEC filings in 2026?

Comcast (CMCSA) has filed a 10-K annual report on February 3, 2026, a 10-Q quarterly report on October 30, 2025, an 8-K current report on April 23, 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 CMCSA file its most recent 10-K annual report?

Comcast (CMCSA) filed its most recent 10-K annual report on February 3, 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 CMCSA 10-Q quarterly reports?

Comcast (CMCSA)'s most recent 10-Q quarterly report was filed on October 30, 2025. SignalX displays every CMCSA 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 CMCSA filed recently?

Comcast (CMCSA)'s most recent 8-K was filed on April 23, 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 CMCSA insider trading activity (Form 4)?

SignalX aggregates every CMCSA 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 CMCSA file with the SEC?

Comcast (CMCSA) 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 CMCSA 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 Comcast (CMCSA).

What is CMCSA's SEC CIK number?

Comcast (CMCSA)'s SEC CIK (Central Index Key) number is 1166691. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1166691 to look up all CMCSA filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

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

SignalX extracts XBRL financial data from Comcast (CMCSA) 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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