COST - CIK 0000909832
COSTCO WHOLESALE CORP /NEW has filed 1,001 documents with the SEC between 2016 and 2026. The most frequent type is insider trade (570 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Insider trade | 4 | 2025-10-24 | 2025-10-22 |
| Major company event | 8-K | 2025-10-20 | 2025-10-14 |
| Major company event | 8-K | 2025-10-15 | 2025-10-15 |
| New insider ownership | 3 | 2025-10-09 | 2025-10-06 |
| Annual report | 10-K | 2025-10-08 | 2025-08-31 |
| Insider trade | 4 | 2025-10-01 | 2025-09-29 |
| Insider trade | 4 | 2025-09-30 | 2025-09-29 |
| Insider sale notice | 144 | 2025-09-29 | - |
| Insider sale notice | 144 | 2025-09-29 | - |
| Major company event | 8-K | 2025-09-25 | 2025-09-25 |
| Insider trade | 4 | 2025-09-24 | 2025-09-23 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-12 | 2025-09-10 |
| Insider trade | 4 | 2025-09-04 | 2025-09-02 |
| Insider trade | 4 | 2025-08-22 | 2025-08-20 |
| Insider sale notice | 144 | 2025-08-20 | - |
| Major company event | 8-K | 2025-08-07 | 2025-08-04 |
| Major company event | 8-K | 2025-07-16 | 2025-07-15 |
| Insider trade | 4 | 2025-07-15 | 2025-07-14 |
| Insider trade | 4 | 2025-07-15 | 2025-07-14 |
| Insider sale notice | 144 | 2025-07-14 | - |
| New insider ownership | 3 | 2025-07-10 | 2025-07-01 |
| Employee plan annual report | 11-K | 2025-06-27 | 2024-12-31 |
| Insider trade | 4 | 2025-06-20 | 2025-06-18 |
| Insider sale notice | 144 | 2025-06-18 | - |
| Insider sale notice | 144 | 2025-06-18 | - |
| Major company event | 8-K | 2025-06-11 | 2025-06-10 |
| Insider trade | 4 | 2025-06-10 | 2025-06-09 |
| Insider sale notice | 144 | 2025-06-09 | - |
| Insider trade | 4 | 2025-06-09 | 2025-06-06 |
| Insider sale notice | 144 | 2025-06-06 | - |
| Quarterly report | 10-Q | 2025-06-05 | 2025-05-11 |
| Major company event | 8-K | 2025-05-29 | 2025-05-29 |
| SEC correspondence | UPLOAD | 2025-05-20 | - |
| Company correspondence | CORRESP | 2025-05-15 | - |
| SD | - | 2025-05-15 | - |
| SEC correspondence | UPLOAD | 2025-05-12 | - |