Costco Wholesale SEC Filings
NASDAQ: COSTConsumer DefensiveDiscount StoresUSD
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At close: Oct 7, 4:00 PM ET · Delayed 15 min
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Costco Wholesale filing overview
This page lists 60 recent SEC filings by Costco Wholesale (COST), including 40 4, 12 8-K, 3 10-Q, 2 10-K. The latest annual report (10-K) was filed on Oct 7, 2026 for the period ending Aug 30, 2026. The most recent quarterly report (10-Q) was filed on Jun 3, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 24, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
COST SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 7, 2026 | 10-K | Annual report | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 24, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 14, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 8, 2026 | 8-K | Other Events | View on EDGAR |
| Jun 25, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 3, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 28, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Apr 29, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 15, 2026 | 8-K | Other Events | View on EDGAR |
| Apr 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 11, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 11, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Mar 5, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 21, 2026 | 8-K | Submission of Matters to a Vote of Security Holders; Other Events | View on EDGAR |
| Jan 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 20, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 31, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 22, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 17, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 17, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Dec 11, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Dec 4, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Nov 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 24, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Oct 20, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Oct 15, 2025 | 8-K | Other Events | View on EDGAR |
| Oct 8, 2025 | 10-K | Annual report | View on EDGAR |
| Sep 25, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 7, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Jul 16, 2025 | 8-K | Other Events | View on EDGAR |