COSTCO WHOLESALE CORP /NEW - COST
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 21
Latest filed: Sep 30, 2026
| Form | Count |
|---|---|
| 4 | 11 |
| 144 | 5 |
| 8-K | 4 |
| SCHEDULE 13G | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Sep 30, 2026 | 4 | Sep 29, 2026 | 0000909832-26-000088 | View |
| Sep 30, 2026 | 4 | Sep 29, 2026 | 0000909832-26-000090 | View |
| Sep 29, 2026 | 144 | — | 0001959173-26-007136 | View |
| Sep 29, 2026 | 144 | — | 0001959173-26-007137 | View |
| Sep 24, 2026 | 8-K | Sep 24, 2026 | 0000909832-26-000084 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000068 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000070 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000072 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000074 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000076 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000078 | View |
| Sep 14, 2026 | 4 | Sep 10, 2026 | 0000909832-26-000080 | View |
| Jul 14, 2026 | 4 | Jul 10, 2026 | 0000909832-26-000062 | View |
| Jul 08, 2026 | 8-K | Jul 07, 2026 | 0000909832-26-000060 | View |
| Jun 25, 2026 | 4 | Jun 23, 2026 | 0000909832-26-000053 | View |
| Jun 23, 2026 | 144 | — | 0001959173-26-004831 | View |
| Jun 12, 2026 | 144 | — | 0001959173-26-004598 | View |
| Jun 05, 2026 | 144 | — | 0001959173-26-004380 | View |
| May 28, 2026 | 8-K | May 28, 2026 | 0000909832-26-000046 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100119-26-000302 | View |
| Apr 15, 2026 | 8-K | Apr 15, 2026 | 0000909832-26-000041 | View |