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Costco Wholesale Corp SEC Filings
What Costco Wholesale Corp has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
COST overview →Filings on file
121
since Sep 29, 2016
Warning signs
0
none filed
Last results
Sep 24, 2026
8-K item 2.02
Industry
Retail-Variety Stores
SIC 5331
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Oct 7, 2026 | Annual report 10-K | Read ↗ |
| Sep 24, 2026 | Results announced 8-K | Read ↗ |
| Jun 3, 2026 | Quarterly report 10-Q | Read ↗ |
| May 28, 2026 | Results announced 8-K | Read ↗ |
| Mar 11, 2026 | Quarterly report 10-Q | Read ↗ |
| Mar 5, 2026 | Results announced 8-K | Read ↗ |
| Jan 21, 2026 | Shareholder vote 8-K | Read ↗ |
| Dec 17, 2025 | Quarterly report 10-Q | Read ↗ |
| Dec 11, 2025 | Results announced 8-K | Read ↗ |
| Oct 20, 2025 | Executive or director change 8-K | Read ↗ |
| Oct 8, 2025 | Annual report 10-K | Read ↗ |
| Sep 25, 2025 | Results announced 8-K | Read ↗ |
| Aug 7, 2025 | Executive or director change 8-K | Read ↗ |
| Jun 11, 2025 | Executive or director change 8-K | Read ↗ |
| Jun 5, 2025 | Quarterly report 10-Q | Read ↗ |
| May 29, 2025 | Results announced 8-K | Read ↗ |
| Mar 13, 2025 | Quarterly report 10-Q | Read ↗ |
| Mar 6, 2025 | Results announced 8-K | Read ↗ |
| Feb 3, 2025 | Executive or director change 8-K | Read ↗ |
| Jan 27, 2025 | Shareholder vote 8-K | Read ↗ |
| Dec 19, 2024 | Quarterly report 10-Q | Read ↗ |
| Dec 12, 2024 | Results announced 8-K | Read ↗ |
| Nov 7, 2024 | Executive or director change 8-K | Read ↗ |
| Oct 9, 2024 | Annual report 10-K | Read ↗ |
| Sep 26, 2024 | Results announced 8-K | Read ↗ |
| Jun 6, 2024 | Quarterly report 10-Q | Read ↗ |
| May 30, 2024 | Results announced 8-K | Read ↗ |
| Mar 13, 2024 | Quarterly report 10-Q | Read ↗ |
| Mar 7, 2024 | Results announced 8-K | Read ↗ |
| Feb 9, 2024 | Executive or director change 8-K | Read ↗ |
| Jan 22, 2024 | Executive or director change 8-K/A | Read ↗ |
| Jan 22, 2024 | Shareholder vote 8-K | Read ↗ |
| Dec 20, 2023 | Quarterly report 10-Q | Read ↗ |
| Dec 14, 2023 | Results announced 8-K | Read ↗ |
| Nov 24, 2023 | Executive or director change 8-K | Read ↗ |
| Oct 20, 2023 | Executive or director change 8-K | Read ↗ |
| Oct 11, 2023 | Annual report 10-K | Read ↗ |
| Sep 26, 2023 | Results announced 8-K | Read ↗ |
| Aug 17, 2023 | Executive or director change 8-K | Read ↗ |
| Jun 1, 2023 | Quarterly report 10-Q | Read ↗ |
| May 25, 2023 | Results announced 8-K | Read ↗ |
| Mar 9, 2023 | Quarterly report 10-Q | Read ↗ |
| Mar 3, 2023 | Results announced 8-K | Read ↗ |
| Jan 25, 2023 | Shareholder vote 8-K | Read ↗ |
| Dec 29, 2022 | Quarterly report 10-Q | Read ↗ |
| Dec 9, 2022 | Results announced 8-K | Read ↗ |
| Nov 9, 2022 | Executive or director change 8-K | Read ↗ |
| Oct 5, 2022 | Annual report 10-K | Read ↗ |
| Sep 23, 2022 | Results announced 8-K | Read ↗ |
| Jun 2, 2022 | Quarterly report 10-Q | Read ↗ |
| May 26, 2022 | Results announced 8-K | Read ↗ |
| May 6, 2022 | Executive or director change 8-K | Read ↗ |
| Mar 10, 2022 | Quarterly report 10-Q | Read ↗ |
| Mar 9, 2022 | Executive or director change 8-K | Read ↗ |
| Mar 4, 2022 | Results announced 8-K | Read ↗ |
| Feb 3, 2022 | Executive or director change 8-K | Read ↗ |
| Jan 25, 2022 | Shareholder vote 8-K | Read ↗ |
| Dec 22, 2021 | Quarterly report 10-Q | Read ↗ |
| Dec 9, 2021 | Results announced 8-K | Read ↗ |
| Nov 10, 2021 | Executive or director change 8-K | Read ↗ |
| Oct 6, 2021 | Annual report 10-K | Read ↗ |
| Sep 23, 2021 | Results announced 8-K | Read ↗ |
| Sep 3, 2021 | Executive or director change 8-K | Read ↗ |
| Jun 3, 2021 | Quarterly report 10-Q | Read ↗ |
| May 27, 2021 | Results announced 8-K | Read ↗ |
| Mar 10, 2021 | Quarterly report 10-Q | Read ↗ |
| Mar 4, 2021 | Results announced 8-K | Read ↗ |
| Jan 26, 2021 | Shareholder vote 8-K | Read ↗ |
| Dec 16, 2020 | Quarterly report 10-Q | Read ↗ |
| Dec 10, 2020 | Results announced 8-K | Read ↗ |
| Oct 15, 2020 | Executive or director change 8-K | Read ↗ |
| Oct 7, 2020 | Annual report 10-K | Read ↗ |
| Sep 24, 2020 | Results announced 8-K | Read ↗ |
| Jun 4, 2020 | Quarterly report 10-Q | Read ↗ |
| May 28, 2020 | Results announced 8-K | Read ↗ |
| Mar 12, 2020 | Quarterly report 10-Q | Read ↗ |
| Mar 5, 2020 | Results announced 8-K | Read ↗ |
| Jan 28, 2020 | Shareholder vote 8-K | Read ↗ |
| Dec 23, 2019 | Quarterly report 10-Q | Read ↗ |
| Dec 12, 2019 | Results announced 8-K | Read ↗ |
| Nov 27, 2019 | Executive or director change 8-K | Read ↗ |
| Oct 21, 2019 | Executive or director change 8-K | Read ↗ |
| Oct 11, 2019 | Annual report 10-K | Read ↗ |
| Oct 3, 2019 | Results announced 8-K | Read ↗ |
| Jun 6, 2019 | Quarterly report 10-Q | Read ↗ |
| May 31, 2019 | Results announced 8-K | Read ↗ |
| Mar 13, 2019 | Quarterly report 10-Q | Read ↗ |
| Mar 7, 2019 | Results announced 8-K | Read ↗ |
| Jan 30, 2019 | Shareholder vote 8-K | Read ↗ |
| Dec 20, 2018 | Quarterly report 10-Q | Read ↗ |
| Dec 13, 2018 | Results announced 8-K | Read ↗ |
| Oct 26, 2018 | Executive or director change 8-K | Read ↗ |
| Oct 26, 2018 | Annual report 10-K | Read ↗ |
| Oct 4, 2018 | Results announced 8-K | Read ↗ |
| Jun 7, 2018 | Quarterly report 10-Q | Read ↗ |
| Jun 1, 2018 | Results announced 8-K | Read ↗ |
| Mar 15, 2018 | Quarterly report 10-Q | Read ↗ |
| Mar 7, 2018 | Results announced 8-K | Read ↗ |
| Feb 5, 2018 | Shareholder vote 8-K | Read ↗ |
| Jan 9, 2018 | Executive or director change 8-K | Read ↗ |
| Dec 21, 2017 | Quarterly report 10-Q | Read ↗ |
| Dec 15, 2017 | Results announced 8-K | Read ↗ |
| Oct 31, 2017 | Executive or director change 8-K | Read ↗ |
| Oct 18, 2017 | Annual report 10-K | Read ↗ |
| Oct 5, 2017 | Results announced 8-K | Read ↗ |
| Jun 7, 2017 | Shareholder vote 8-K/A | Read ↗ |
| Jun 1, 2017 | Quarterly report 10-Q | Read ↗ |
| May 26, 2017 | Results announced 8-K | Read ↗ |
| Mar 21, 2017 | Executive or director change 8-K | Read ↗ |
| Mar 9, 2017 | Quarterly report 10-Q | Read ↗ |
| Mar 3, 2017 | Results announced 8-K | Read ↗ |
| Feb 1, 2017 | Shareholder vote 8-K | Read ↗ |
| Jan 31, 2017 | Shareholder vote 8-K | Read ↗ |
| Dec 16, 2016 | Quarterly report 10-Q | Read ↗ |
| Dec 8, 2016 | Results announced 8-K | Read ↗ |
| Dec 8, 2016 | Executive or director change 8-K | Read ↗ |
| Nov 3, 2016 | Executive or director change 8-K | Read ↗ |
| Oct 26, 2016 | Executive or director change 8-K | Read ↗ |
| Oct 21, 2016 | Annual report 10-K/A | Read ↗ |
| Oct 12, 2016 | Annual report 10-K | Read ↗ |
| Sep 29, 2016 | Results announced 8-K | Read ↗ |
Source: Costco Wholesale Corp's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
More on COST
Company overviewEverything on COST in one place, with the price.Insider tradingWhat COST's own officers and directors buy and sell.Planned salesSales COST insiders have filed notice of.Who owns itEvery manager reporting a position in COST.Funds holding itWhich funds and ETFs hold COST, and how big a bet.Workplace safetyWhat OSHA found at COST's sites.AircraftThe jets on COST's registration.