COSTCO WHOLESALE CORP /NEW - COST
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 50
Latest filed: Apr 01, 2026
| Form | Count |
|---|---|
| 4 | 33 |
| 144 | 11 |
| 8-K | 5 |
| SCHEDULE 13G/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Apr 01, 2026 | 4 | Apr 01, 2026 | 0000909832-26-000039 | View |
| Apr 01, 2026 | 144 | — | 0001628280-26-022836 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-001083 | View |
| Mar 13, 2026 | 4 | Mar 11, 2026 | 0000909832-26-000033 | View |
| Mar 13, 2026 | 4 | Mar 12, 2026 | 0000909832-26-000035 | View |
| Mar 11, 2026 | 4 | Mar 09, 2026 | 0000909832-26-000028 | View |
| Mar 09, 2026 | 144 | — | 0001959173-26-002071 | View |
| Mar 05, 2026 | 8-K | Mar 05, 2026 | 0000909832-26-000025 | View |
| Jan 28, 2026 | 4 | Jan 27, 2026 | 0000909832-26-000020 | View |
| Jan 28, 2026 | 4 | Jan 27, 2026 | 0000909832-26-000022 | View |
| Jan 23, 2026 | 4 | Jan 21, 2026 | 0000909832-26-000018 | View |
| Jan 21, 2026 | 8-K | Jan 15, 2026 | 0000909832-26-000016 | View |
| Jan 21, 2026 | 144 | — | 0001959173-26-000393 | View |
| Jan 20, 2026 | 4 | Jan 16, 2026 | 0000909832-26-000010 | View |
| Jan 20, 2026 | 4 | Jan 16, 2026 | 0000909832-26-000012 | View |
| Jan 16, 2026 | 144 | — | 0001950047-26-000510 | View |
| Jan 15, 2026 | 4 | Jan 14, 2026 | 0000909832-26-000006 | View |
| Jan 14, 2026 | 144 | — | 0001959173-26-000294 | View |
| Jan 12, 2026 | 4 | Jan 09, 2026 | 0000909832-26-000004 | View |
| Jan 09, 2026 | 144 | — | 0001950047-26-000313 | View |
| Dec 31, 2025 | 4 | Dec 29, 2025 | 0000909832-25-000173 | View |
| Dec 30, 2025 | 144 | — | 0001959173-25-007937 | View |
| Dec 29, 2025 | 144 | — | 0001959173-25-007932 | View |
| Dec 22, 2025 | 4 | Dec 19, 2025 | 0000909832-25-000171 | View |
| Dec 17, 2025 | 4 | Dec 15, 2025 | 0000909832-25-000167 | View |
| Dec 11, 2025 | 8-K | Dec 11, 2025 | 0000909832-25-000164 | View |
| Nov 12, 2025 | 4 | Nov 07, 2025 | 0000909832-25-000146 | View |
| Nov 12, 2025 | 4 | Nov 10, 2025 | 0000909832-25-000148 | View |
| Nov 07, 2025 | 144 | — | 0001959173-25-006798 | View |
| Oct 24, 2025 | 144 | — | 0001959173-25-006546 | View |
| Oct 24, 2025 | 144 | — | 0001959173-25-006548 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000109 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000111 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000114 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000116 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000118 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000120 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000122 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000124 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000126 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000128 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000130 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000132 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000134 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000137 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000140 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000142 | View |
| Oct 24, 2025 | 4 | Oct 22, 2025 | 0000909832-25-000144 | View |
| Oct 20, 2025 | 8-K | Oct 14, 2025 | 0000909832-25-000107 | View |
| Oct 15, 2025 | 8-K | Oct 15, 2025 | 0000909832-25-000105 | View |