COSTCO WHOLESALE CORP /NEW — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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10-K405
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144
144/A
15-12G
3
3/A
4
4/A
424B1
424B3
424B5
5
5/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
FWP
IRANNOTICE
NO ACT
POS AM
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PREC14A
PREN14A
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PX14A6G
S-3
S-3/A
S-3ASR
S-3DPOS
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001083 | Mar 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000035 | Mar 13, 2026 | Mar 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000033 | Mar 13, 2026 | Mar 11, 2026 |
| 3 | PRIMARY DOCUMENT | 0000909832-26-000031 | Mar 11, 2026 | Mar 2, 2026 |
| 10-Q | 10-Q | 0000909832-26-000029 | Mar 11, 2026 | Feb 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000028 | Mar 11, 2026 | Mar 9, 2026 |
| 144 | — | 0001959173-26-002071 | Mar 9, 2026 | — |
| 8-K | 8-K | 0000909832-26-000025 | Mar 5, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000022 | Jan 28, 2026 | Jan 27, 2026 |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000020 | Jan 28, 2026 | Jan 27, 2026 |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000018 | Jan 23, 2026 | Jan 21, 2026 |
| 144 | — | 0001959173-26-000393 | Jan 21, 2026 | — |
| 8-K | 8-K | 0000909832-26-000016 | Jan 21, 2026 | Jan 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000012 | Jan 20, 2026 | Jan 16, 2026 |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000010 | Jan 20, 2026 | Jan 16, 2026 |
| 3 | PRIMARY DOCUMENT | 0000909832-26-000008 | Jan 20, 2026 | Jan 15, 2026 |
| 144 | — | 0001950047-26-000510 | Jan 16, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000006 | Jan 15, 2026 | Jan 14, 2026 |
| 144 | — | 0001959173-26-000294 | Jan 14, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-26-000004 | Jan 12, 2026 | Jan 9, 2026 |
| 144 | — | 0001950047-26-000313 | Jan 9, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000173 | Dec 31, 2025 | Dec 29, 2025 |
| 144 | — | 0001959173-25-007937 | Dec 30, 2025 | — |
| 144 | — | 0001959173-25-007932 | Dec 29, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000171 | Dec 22, 2025 | Dec 19, 2025 |
| 10-Q | 10-Q | 0000909832-25-000169 | Dec 17, 2025 | Nov 23, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000167 | Dec 17, 2025 | Dec 15, 2025 |
| 8-K | 8-K | 0000909832-25-000164 | Dec 11, 2025 | — |
| DEFA14A | DEFA14A | 0000909832-25-000160 | Dec 4, 2025 | — |
| DEF 14A | DEF 14A | 0000909832-25-000159 | Dec 4, 2025 | Aug 31, 2025 |
| ARS | ARS | 0000909832-25-000157 | Dec 4, 2025 | Aug 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000148 | Nov 12, 2025 | Nov 10, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000146 | Nov 12, 2025 | Nov 7, 2025 |
| 144 | — | 0001959173-25-006798 | Nov 7, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000144 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000142 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000140 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000137 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000134 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000132 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000130 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000128 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000126 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000124 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000122 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000120 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000118 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000116 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000114 | Oct 24, 2025 | Oct 22, 2025 |
| 4 | PRIMARY DOCUMENT | 0000909832-25-000111 | Oct 24, 2025 | Oct 22, 2025 |