# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000909832-25-000101
Filing Date
2025-10-08
Accepted
2025-10-07 21:16:06
Documents
88
Period of Report
2025-08-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | cost-20250831.htm iXBRL | 10-K | 1438962
2 | EX-21.1 | costex21110k83125.htm | EX-21.1 | 12925
3 | EX-23.1 | costex23110k83125.htm | EX-23.1 | 2414
4 | EX-31.1 | costex31110k83125.htm | EX-31.1 | 19096
5 | EX-32.1 | costex32110k83125.htm | EX-32.1 | 10930
11 |  | cost-20250831_g1.jpg | GRAPHIC | 95961
| Complete submission text file | 0000909832-25-000101.txt |  | 8258764

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | cost-20250831.xsd | EX-101.SCH | 47173
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | cost-20250831_cal.xml | EX-101.CAL | 82831
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | cost-20250831_def.xml | EX-101.DEF | 178259
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | cost-20250831_lab.xml | EX-101.LAB | 705611
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | cost-20250831_pre.xml | EX-101.PRE | 481803
91 | EXTRACTED XBRL INSTANCE DOCUMENT | cost-20250831_htm.xml | XML | 1158155

Mailing Address 999 LAKE DRIVE ISSAQUAH WA 98027
Business Address 999 LAKE DRIVE ISSAQUAH WA 98027- 4253138100
COSTCO WHOLESALE CORP /NEW (Filer) CIK: 0000909832 (see all company filings)

EIN.: 911223280 | State of Incorp.: WA | Fiscal Year End: 0831
Type: 10-K | Act: 34 | File No.: 000-20355 | Film No.: 251381129
SIC: 5331 Retail-Variety Stores
(CF Office: 07 Trade & Services)