COST · CIK 0000909832
COSTCO WHOLESALE CORP /NEW (COST) SEC Filings
Browse 2711 SEC filings for COSTCO WHOLESALE CORP /NEW, covering Jan 5, 1994 through Jul 14, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,711
Filed in the last 12 months
94
History covered
1994–2026
Latest filing
4
Latest important filings
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Latest annual report
10-K
Annual report · Oct 8, 2025
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10-Q
Quarterly report · Jun 3, 2026
Open original filingLatest company update
8-K
Other material event · Jul 8, 2026
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50 filings
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| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | PRIMARY DOCUMENT | Jul 10, 2026 | Jul 14, 2026 |
| 8-K | Other material event | Jul 7, 2026 | Jul 8, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 29, 2026 |
| 4 | PRIMARY DOCUMENT | Jun 23, 2026 | Jun 25, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 23, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 12, 2026 |
| 144 | Notice of proposed securities sale | — | Jun 5, 2026 |
| S-3ASR | S-3ASR filing | — | Jun 3, 2026 |
| 10-Q | Quarterly report | May 10, 2026 | Jun 3, 2026 |
| SD | Specialized disclosure report | — | May 29, 2026 |
| 8-K | Results of operations | May 28, 2026 | May 28, 2026 |
| 3/A Amended | PRIMARY DOCUMENT | Mar 2, 2026 | May 15, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 29, 2026 |
| 8-K | Other material event | Apr 15, 2026 | Apr 15, 2026 |
| 4 | PRIMARY DOCUMENT | Apr 1, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed securities sale | — | Apr 1, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | Mar 26, 2026 |
| 4 | PRIMARY DOCUMENT | Mar 12, 2026 | Mar 13, 2026 |
| 4 | PRIMARY DOCUMENT | Mar 11, 2026 | Mar 13, 2026 |
| 3 | PRIMARY DOCUMENT | Mar 2, 2026 | Mar 11, 2026 |
| 10-Q | Quarterly report | Feb 15, 2026 | Mar 11, 2026 |
| 4 | PRIMARY DOCUMENT | Mar 9, 2026 | Mar 11, 2026 |
| 144 | Notice of proposed securities sale | — | Mar 9, 2026 |
| 8-K | Results of operations | Mar 5, 2026 | Mar 5, 2026 |
| 4 | PRIMARY DOCUMENT | Jan 27, 2026 | Jan 28, 2026 |
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Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
37 filings
2025
96 filings
2024
126 filings
2023
91 filings
2022
81 filings
2021
68 filings
2020
96 filings
2019
88 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.