COST Costco

company

SEC Filings & Insider Trading Activity 2026

Risk Factors

• • No specific or timely regulatory/legal risk disclosed in the provided text
• • No geopolitical or macroeconomic threat with concrete exposure detail disclosed

Management Discussion & Analysis

• • The provided text does not include specific financial data or analysis from the MD&A section. Please provide the full MD&A text with financial figures for summarization.

Business Overview

• • Core business model: Wholesale membership warehouse club retailing focused on bulk sales and low prices
• • Introduced and filed new Insider Trading Policy for directors, officers, and employees enhancing compliance controls

What are the latest COST SEC filings in 2026?

Costco (COST) has filed a 10-K annual report on October 8, 2025, a 10-Q quarterly report on March 11, 2026, an 8-K current report on April 15, 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 COST file its most recent 10-K annual report?

Costco (COST) filed its most recent 10-K annual report on October 8, 2025. 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 COST 10-Q quarterly reports?

Costco (COST)'s most recent 10-Q quarterly report was filed on March 11, 2026. SignalX displays every COST 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 COST filed recently?

Costco (COST)'s most recent 8-K was filed on April 15, 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 COST insider trading activity (Form 4)?

SignalX aggregates every COST 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 COST file with the SEC?

Costco (COST) 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 COST 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 Costco (COST).

What is COST's SEC CIK number?

Costco (COST)'s SEC CIK (Central Index Key) number is 909832. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 909832 to look up all COST filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

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

SignalX extracts XBRL financial data from Costco (COST) 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.