Costco Wholesale Reports Q4 and Fiscal 2026 Operating Results

What Happened
Costco Wholesale Corporation announced its operating results for the 16-week fourth quarter and the 52‑week fiscal year ended August 30, 2026 via a press release issued on September 24, 2026. The company filed an 8-K (Item 2.02) to disclose those results and attached the press release and a fourth-quarter supplemental earnings package for investors to review. The filing is signed by Gary Millerchip, Executive Vice President and Chief Financial Officer.

Key Details

• Filing date: September 24, 2026 (Form 8-K, Item 2.02: Results of Operations and Financial Condition).
• Periods covered: 16-week fourth quarter and the 52-week fiscal year ended August 30, 2026.
• Exhibits attached: press release (Exhibit 99.1) and fourth-quarter supplemental information (Exhibit 99.2).
• Filing signed by: Gary Millerchip, EVP & CFO, dated September 24, 2026.

Why It Matters
This 8-K provides Costco’s latest quarterly and full-year operating results — key information investors use to evaluate earnings, revenue trends, comparable-store performance, and management commentary. Retail and institutional investors should read the attached press release and supplemental materials for the actual financial figures and management discussion to assess impacts on revenue, margins, and outlook.