| May 28, 2026 | earnings | COST released Q3 and first 36 weeks fiscal 2026 operating results. |
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| Apr 15, 2026 | dividend_change | Costco increased its quarterly cash dividend from $1.30 to $1.47 per share. |
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| Mar 5, 2026 | earnings | Company released Q2 fiscal 2026 operating results and sales for March 2026. |
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| Apr 17, 2020 | Guidance: operating_expenses | 250.00 to not reported |
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| Oct 8, 2025 | business | Costco Wholesale Corporation operates a substantial international footprint, leveraging subsidiaries to manage operations across North America (Canada, Mexico), Asia (Korea, Japan, Taiwan), Oceania (Australia), and Europe (United Kingdom), in addition to its extensive U.S. presence. The company's core business model revolves around providing wholesale membership services, further diversified by an insurance agency operation. Its financial architecture relies on a mix of long-term debt instruments, notably senior notes with varying maturities from 2024 to 2032 and fixed interest rates ranging from 1.375% to 3.000%. Corporate governance emphasizes transparency and accountability, underscored by an Insider Trading Policy, a 2019 Incentive Plan, a Fiscal 2025 Executive Bonus Plan, and a comprehensive Incentive Compensation Clawback Policy. These mechanisms are in place to align executive performance with shareholder value and mitigate financial risks. KPMG LLP serves as the company's independent registered public accounting firm, ensuring external audit oversight. |
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| Oct 8, 2025 | risk_factors | Costco's profitability is significantly exposed to macroeconomic conditions, including inflation, deflation, and general economic health, particularly in the U.S., which directly influence net sales and gross margins. Intense, widespread competition from global, national, and e-commerce retailers further pressures sales and profitability. The company's core membership model relies on sustained growth, Executive membership penetration, and high renewal rates; declines, especially from newer international or online members, could materially impact revenue. Cost control remains critical, but expenses like healthcare and utilities are partially uncontrollable, and Costco's commitment to above-average employee compensation affects operating costs. Given its low operating margins, even modest changes in merchandise costs or selling, general, and administrative expenses can substantially alter net income. Foreign currency fluctuations and government tariffs on imported merchandise introduce additional financial volatility. Furthermore, ongoing legal proceedings, including class-action lawsuits over privacy (e.g., Costco.com pixel trackers), product claims (e.g., Kirkland Signature baby wipes), and government investigations (e.g., False Claims Act for prescription medications), represent potential material financial liabilities. Interest rate and commodity price volatility also pose market risks. |
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| Oct 9, 2024 | business | Costco Wholesale Corporation operates with a defined corporate governance framework, including an Insider Trading Policy designed to promote compliance with securities laws. The company's operational footprint extends internationally through key subsidiaries in Canada, Korea, Japan, Mexico, the United Kingdom, Taiwan, and Australia, alongside specialized domestic units such as Costco Wholesale Membership, Inc. and Costco Insurance Agency, Inc. Strategic partnerships are evident through agreements like the co-branded credit card agreement with Citibank, N.A., which has undergone multiple amendments. Executive leadership is supported by employment agreements, including those for W. Craig Jelinek and Ron Vachris, and incentive structures like the Fiscal 2024 Executive Bonus Plan and a 2019 Incentive Plan, further reinforced by an Incentive Compensation Clawback Policy. The company's financial structure also includes various Senior Notes with specific interest rates and maturity dates. |
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