Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000909832-26-000093
Filing Date
2026-10-07
Accepted
2026-10-06 21:13:15
Documents
91
Period of Report
2026-08-30

Document Format Files

Seq Description Document Type Size
1 10-K cost-20260830.htm   iXBRL 10-K 1456484
2 EX-21.1 costex21110k83026.htm EX-21.1 12997
3 EX-23.1 costex23110k83026.htm EX-23.1 2414
4 EX-31.1 costex31110k83026.htm EX-31.1 19164
5 EX-32.1 costex32110k83026.htm EX-32.1 10348
11 cost-20260830_g1.jpg GRAPHIC 97847
  Complete submission text file 0000909832-26-000093.txt   8831787

Data Files

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7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT cost-20260830_cal.xml EX-101.CAL 97399
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9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cost-20260830_lab.xml EX-101.LAB 731690
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cost-20260830_pre.xml EX-101.PRE 517856
95 EXTRACTED XBRL INSTANCE DOCUMENT cost-20260830_htm.xml XML 1237321
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: 0830
Type: 10-K | Act: 34 | File No.: 000-20355 | Film No.: 261445309
SIC: 5331 Retail-Variety Stores
(CF Office: 07 Trade & Services)