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Costco

COST
922.77
+26.28 (+2.93%)
Closing price for Sep 25, 2026 from Polygon.io
All Annual reports Quarterly reports Current reports Other
FiledFormWhat it isPeriod
Dec 4, 2025 DEF 14A Proxy statement (shareholder vote) Aug 31, 2025 Read on sec.gov
Dec 11, 2024 DEF 14A Proxy statement (shareholder vote) Sep 1, 2024 Read on sec.gov
Feb 13, 2024 SC 13G/A Large shareholder ownership (amended) Read on sec.gov

The most recent filings from SEC EDGAR. The annual report (10-K) is the most complete description of a company's business, risks and finances. How to read a 10-K. Every filing on EDGAR.