Costco Wholesale Corp /NEW SEC filings COST
Costco Wholesale Corp /NEW has 1,010 filings in SEC EDGAR's recent list, going back to Oct 25, 2016. Its latest annual report, Form 10-K, was filed on Oct 7, 2026 for the period ended Aug 30, 2026. The latest quarterly report (Form 10-Q) was filed on Jun 3, 2026, covering the quarter ended May 10, 2026. The most recent current report (Form 8-K) was filed on Oct 16, 2026 (officer or director change). The company's fiscal year ends on August 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 27, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 27, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 16, 2026 | Oct 13, 2026 |
| 4 | Insider transaction | Oct 14, 2026 | Oct 13, 2026 |
| 8-K |
Current report
Other events
|
Oct 14, 2026 | Oct 14, 2026 |
| 144 | Notice of proposed sale | Oct 13, 2026 | — |
| 10-K | Annual report | Oct 7, 2026 | Aug 30, 2026 |
| 4 | Insider transaction | Sep 30, 2026 | Sep 29, 2026 |
| 4 | Insider transaction | Sep 30, 2026 | Sep 29, 2026 |
| 3/A | Primary document | Sep 30, 2026 | Aug 31, 2026 |
| 144 | Notice of proposed sale | Sep 29, 2026 | — |
| 144 | Notice of proposed sale | Sep 29, 2026 | — |
| 8-K |
Current report
Results of operations
|
Sep 24, 2026 | Sep 24, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 3 | Initial insider ownership | Sep 10, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 10, 2026 |
| 8-K |
Current report
Other events
|
Jul 8, 2026 | Jul 7, 2026 |
| 11-K | Employee savings plan report | Jun 29, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 23, 2026 |
| 144 | Notice of proposed sale | Jun 23, 2026 | — |
| 144 | Notice of proposed sale | Jun 12, 2026 | — |
| 144 | Notice of proposed sale | Jun 5, 2026 | — |
| S-3ASR | Automatic shelf registration | Jun 3, 2026 | — |
| 10-Q | Quarterly report | Jun 3, 2026 | May 10, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| 8-K |
Current report
Results of operations
|
May 28, 2026 | May 28, 2026 |
| 3/A | Primary document | May 15, 2026 | Mar 2, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 15, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed sale | Apr 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| UPLOAD | Letter from the SEC | Mar 26, 2026 | — |
| CORRESP | Letter to the SEC | Mar 23, 2026 | — |
| 4 | Insider transaction | Mar 13, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 3 | Initial insider ownership | Mar 11, 2026 | Mar 2, 2026 |
| 10-Q | Quarterly report | Mar 11, 2026 | Feb 15, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 9, 2026 |
| 144 | Notice of proposed sale | Mar 9, 2026 | — |
| 8-K |
Current report
Results of operations
|
Mar 5, 2026 | Mar 5, 2026 |
| UPLOAD | Letter from the SEC | Mar 4, 2026 | — |
| 4 | Insider transaction | Jan 28, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 28, 2026 | Jan 27, 2026 |
| 4 | Insider transaction | Jan 23, 2026 | Jan 21, 2026 |
| 144 | Notice of proposed sale | Jan 21, 2026 | — |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jan 21, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 16, 2026 |
| 3 | Initial insider ownership | Jan 20, 2026 | Jan 15, 2026 |
| 144 | Notice of proposed sale | Jan 16, 2026 | — |
| 4 | Insider transaction | Jan 15, 2026 | Jan 14, 2026 |
| 144 | Notice of proposed sale | Jan 14, 2026 | — |
| 4 | Insider transaction | Jan 12, 2026 | Jan 9, 2026 |
| 144 | Notice of proposed sale | Jan 9, 2026 | — |
| 4 | Insider transaction | Dec 31, 2025 | Dec 29, 2025 |
| 144 | Notice of proposed sale | Dec 30, 2025 | — |
| 144 | Notice of proposed sale | Dec 29, 2025 | — |
| 4 | Insider transaction | Dec 22, 2025 | Dec 19, 2025 |
| 10-Q | Quarterly report | Dec 17, 2025 | Nov 23, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 8-K |
Current report
Results of operations
|
Dec 11, 2025 | Dec 11, 2025 |
| DEFA14A | Additional proxy material | Dec 4, 2025 | — |
| DEF 14A | Proxy statement | Dec 4, 2025 | Aug 31, 2025 |
| ARS | Annual report to shareholders | Dec 4, 2025 | Aug 31, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 7, 2025 |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 144 | Notice of proposed sale | Oct 24, 2025 | — |
| 144 | Notice of proposed sale | Oct 24, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Oct 20, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Other events
|
Oct 15, 2025 | Oct 15, 2025 |
| 3 | Initial insider ownership | Oct 9, 2025 | Oct 6, 2025 |
| 10-K | Annual report | Oct 8, 2025 | Aug 31, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 29, 2025 |
| 4 | Insider transaction | Sep 30, 2025 | Sep 29, 2025 |
| 144 | Notice of proposed sale | Sep 29, 2025 | — |
| 144 | Notice of proposed sale | Sep 29, 2025 | — |
| 8-K |
Current report
Results of operations
|
Sep 25, 2025 | Sep 25, 2025 |
| 4 | Insider transaction | Sep 24, 2025 | Sep 23, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Aug 22, 2025 | Aug 20, 2025 |
| 144 | Notice of proposed sale | Aug 20, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Aug 7, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Other events
|
Jul 16, 2025 | Jul 15, 2025 |
| 4 | Insider transaction | Jul 15, 2025 | Jul 14, 2025 |
| 4 | Insider transaction | Jul 15, 2025 | Jul 14, 2025 |
| 144 | Notice of proposed sale | Jul 14, 2025 | — |
| 3 | Initial insider ownership | Jul 10, 2025 | Jul 1, 2025 |
| 11-K | Employee savings plan report | Jun 27, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jun 20, 2025 | Jun 18, 2025 |
| 144 | Notice of proposed sale | Jun 18, 2025 | — |
| 144 | Notice of proposed sale | Jun 18, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Jun 11, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 10, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 6, 2025 |
| 144 | Notice of proposed sale | Jun 9, 2025 | — |
| 144 | Notice of proposed sale | Jun 6, 2025 | — |
| 10-Q | Quarterly report | Jun 5, 2025 | May 11, 2025 |
| 8-K |
Current report
Results of operations
|
May 29, 2025 | May 29, 2025 |
| UPLOAD | Letter from the SEC | May 20, 2025 | — |
| CORRESP | Letter to the SEC | May 15, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 15, 2025 | — |
| UPLOAD | Letter from the SEC | May 12, 2025 | — |
| CORRESP | Letter to the SEC | Apr 21, 2025 | — |
| 4 | Insider transaction | Apr 21, 2025 | Jul 20, 2023 |
| 144 | Notice of proposed sale | Apr 17, 2025 | — |
| 8-K |
Current report
Other events
|
Apr 16, 2025 | Apr 16, 2025 |
| CORRESP | Letter to the SEC | Apr 15, 2025 | — |
| 4 | Insider transaction | Mar 27, 2025 | Mar 27, 2025 |
| 144 | Notice of proposed sale | Mar 27, 2025 | — |
| 4 | Insider transaction | Mar 25, 2025 | Mar 24, 2025 |
| 144 | Notice of proposed sale | Mar 24, 2025 | — |
| CORRESP | Letter to the SEC | Mar 21, 2025 | — |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| UPLOAD | Letter from the SEC | Mar 19, 2025 | — |
| 144 | Notice of proposed sale | Mar 18, 2025 | — |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 11, 2025 |
| 10-Q | Quarterly report | Mar 13, 2025 | Feb 16, 2025 |
| 144 | Notice of proposed sale | Mar 11, 2025 | — |
| 8-K |
Current report
Results of operations
|
Mar 6, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 3, 2025 | Jan 30, 2025 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Jan 27, 2025 | Jan 23, 2025 |
| PX14A6G | National center for public policy research - px14a6g | Jan 17, 2025 | — |
| PX14A6G | National center for public policy research - px14a6g | Jan 17, 2025 | — |
| 4 | Insider transaction | Dec 23, 2024 | Dec 19, 2024 |
| 10-Q | Quarterly report | Dec 19, 2024 | Nov 24, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 8-K |
Current report
Results of operations
|
Dec 12, 2024 | Dec 12, 2024 |
| DEFA14A | Additional proxy material | Dec 11, 2024 | — |
| DEF 14A | Proxy statement | Dec 11, 2024 | Sep 1, 2024 |
| ARS | Annual report to shareholders | Dec 11, 2024 | Sep 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 7, 2024 | Nov 4, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 24, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
| 4 | Insider transaction | Oct 24, 2024 | Oct 22, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Retail-Variety Stores (SIC 5331)
- Listed as
- COST (Nasdaq)
- Fiscal year ends
- August 30
- Incorporated in
- WA
- Headquarters
- Issaquah, WA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 909832
- Former names
- COSTCO COMPANIES INC (until Jun 29, 1999); PRICE/COSTCO INC (until Jan 6, 1997)
Other Retail-Variety Stores companies
- Walmart Inc. WMT
- Target Corp TGT
- Dollar General Corp DG
- Dollar Tree, Inc. DLTR
- BJ's Wholesale Club Holdings, Inc. BJ
- Five Below, Inc FIVE
- Ollie's Bargain Outlet Holdings, Inc. OLLI
- Pricesmart Inc PSMT
Source: SEC EDGAR filings. This is company-reported data, not investment advice.