COST Investor Relations (IR)
Official sources, filings and reporting dates for Costco Wholesale Corporation
Next Report
Sep 24, 2026
Scheduled — time not yet announced
Official Sources
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Costco Wholesale Corporation investor relations →
investor.costco.com
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Latest results release →
2026 Q4, published Sep 24, 2026
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SEC filings on EDGAR →
10-K, 10-Q and 8-K filing history
Recent Results
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2026 Q4 reported Sep 24, 2026Press release →
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2026 Q3 reported May 28, 2026Press release →
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2026 Q2 reported Mar 5, 2026Press release →
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2026 Q1 reported Dec 11, 2025Press release →
Rule of 40
R40 scores Costco Wholesale Corporation at 14 on its latest reported quarter, combining revenue growth with free cash flow margin.
See the score history →