COST - Company ID 0000909832
COSTCO WHOLESALE CORP /NEW has filed 1,001 public company documents 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.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 3/A | 3/A | 1mo ago2026-05-15 | 2026-03-02 | View filing |
| SCHEDULE 13G | SCHEDULE 13G | 2mo ago2026-04-29 | - | View filing |
| 8-K | Major company event | 2mo ago2026-04-15 | 2026-04-15 | View filing |
| 144 | Insider sale notice | 3mo ago2026-04-01 | - | View filing |
| 4 | Insider trade | 3mo ago2026-04-01 | 2026-04-01 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 3mo ago2026-03-26 | - | View filing |
| 4 | Insider trade | 3mo ago2026-03-13 | 2026-03-12 | View filing |
| 4 | Insider trade | 3mo ago2026-03-13 | 2026-03-11 | View filing |
| 3 | New insider ownership | 4mo ago2026-03-11 | 2026-03-02 | View filing |
| 10-Q | Quarterly report | 4mo ago2026-03-11 | 2026-02-15 | View filing |
| 4 | Insider trade | 4mo ago2026-03-11 | 2026-03-09 | View filing |
| 144 | Insider sale notice | 4mo ago2026-03-09 | - | View filing |
| 8-K | Major company event | 4mo ago2026-03-05 | 2026-03-05 | View filing |
| 4 | Insider trade | 5mo ago2026-01-28 | 2026-01-27 | View filing |
| 4 | Insider trade | 5mo ago2026-01-28 | 2026-01-27 | View filing |
| 4 | Insider trade | 5mo ago2026-01-23 | 2026-01-21 | View filing |
| 144 | Insider sale notice | 5mo ago2026-01-21 | - | View filing |
| 8-K | Major company event | 5mo ago2026-01-21 | 2026-01-15 | View filing |
| 4 | Insider trade | 5mo ago2026-01-20 | 2026-01-16 | View filing |
| 4 | Insider trade | 5mo ago2026-01-20 | 2026-01-16 | View filing |
| 3 | New insider ownership | 5mo ago2026-01-20 | 2026-01-15 | View filing |
| 144 | Insider sale notice | 5mo ago2026-01-16 | - | View filing |
| 4 | Insider trade | 5mo ago2026-01-15 | 2026-01-14 | View filing |
| 144 | Insider sale notice | 5mo ago2026-01-14 | - | View filing |
| 4 | Insider trade | 5mo ago2026-01-12 | 2026-01-09 | View filing |
| 144 | Insider sale notice | 6mo ago2026-01-09 | - | View filing |
| 4 | Insider trade | 6mo ago2025-12-31 | 2025-12-29 | View filing |
| 144 | Insider sale notice | 6mo ago2025-12-30 | - | View filing |
| 144 | Insider sale notice | 6mo ago2025-12-29 | - | View filing |
| 4 | Insider trade | 6mo ago2025-12-22 | 2025-12-19 | View filing |
| 10-Q | Quarterly report | 6mo ago2025-12-17 | 2025-11-23 | View filing |
| 4 | Insider trade | 6mo ago2025-12-17 | 2025-12-15 | View filing |
| 8-K | Major company event | 7mo ago2025-12-11 | 2025-12-11 | View filing |
| DEFA14A | Proxy materials | 7mo ago2025-12-04 | - | View filing |
| DEF 14A | Proxy statement | 7mo ago2025-12-04 | 2025-08-31 | View filing |
| ARS | Annual report to shareholders | 7mo ago2025-12-04 | 2025-08-31 | View filing |
| 4 | Insider trade | 7mo ago2025-11-12 | 2025-11-10 | View filing |
| 4 | Insider trade | 7mo ago2025-11-12 | 2025-11-07 | View filing |
| 144 | Insider sale notice | 8mo ago2025-11-07 | - | View filing |
| 144 | Insider sale notice | 8mo ago2025-10-24 | - | View filing |
| 144 | Insider sale notice | 8mo ago2025-10-24 | - | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |
| 4 | Insider trade | 8mo ago2025-10-24 | 2025-10-22 | View filing |