CompanyScope

Costco Wholesale Corp. 10-K and 10-Q filings

Ticker COST · SEC CIK 909832 · Latest fiscal year ended Aug 30, 2026

Costco Wholesale Corp. has 17 annual reports and 51 quarterly reports with XBRL financial data on SEC EDGAR, filed between Dec 18, 2009 and Oct 7, 2026. Each link opens the filing's index page on sec.gov, where you can read the full document.

FiledFormAccession numberDocument
Oct 7, 202610-K0000909832-26-000093View on SEC EDGAR
Jun 3, 202610-Q0000909832-26-000051View on SEC EDGAR
Mar 11, 202610-Q0000909832-26-000029View on SEC EDGAR
Dec 17, 202510-Q0000909832-25-000169View on SEC EDGAR
Oct 8, 202510-K0000909832-25-000101View on SEC EDGAR
Jun 5, 202510-Q0000909832-25-000033View on SEC EDGAR
Mar 13, 202510-Q0000909832-25-000015View on SEC EDGAR
Dec 19, 202410-Q0000909832-24-000079View on SEC EDGAR
Oct 9, 202410-K0000909832-24-000049View on SEC EDGAR
Jun 6, 202410-Q0000909832-24-000029View on SEC EDGAR
Mar 13, 202410-Q0000909832-24-000017View on SEC EDGAR
Dec 20, 202310-Q0000909832-23-000065View on SEC EDGAR
Oct 11, 202310-K0000909832-23-000042View on SEC EDGAR
Jun 1, 202310-Q0000909832-23-000028View on SEC EDGAR
Mar 9, 202310-Q0000909832-23-000014View on SEC EDGAR
Dec 29, 202210-Q0000909832-22-000035View on SEC EDGAR
Oct 5, 202210-K0000909832-22-000021View on SEC EDGAR
Jun 2, 202210-Q0000909832-22-000014View on SEC EDGAR
Mar 10, 202210-Q0000909832-22-000005View on SEC EDGAR
Dec 22, 202110-Q0000909832-21-000021View on SEC EDGAR
Oct 6, 202110-K0000909832-21-000014View on SEC EDGAR
Jun 3, 202110-Q0000909832-21-000008View on SEC EDGAR
Mar 10, 202110-Q0000909832-21-000003View on SEC EDGAR
Dec 16, 202010-Q0000909832-20-000026View on SEC EDGAR
Oct 7, 202010-K0000909832-20-000017View on SEC EDGAR
Jun 4, 202010-Q0000909832-20-000009View on SEC EDGAR
Mar 12, 202010-Q0000909832-20-000004View on SEC EDGAR
Dec 23, 201910-Q0000909832-19-000033View on SEC EDGAR
Oct 11, 201910-K0000909832-19-000019View on SEC EDGAR
Jun 6, 201910-Q0000909832-19-000013View on SEC EDGAR
Mar 13, 201910-Q0000909832-19-000003View on SEC EDGAR
Dec 20, 201810-Q0000909832-18-000022View on SEC EDGAR
Oct 26, 201810-K0000909832-18-000013View on SEC EDGAR
Jun 7, 201810-Q0000909832-18-000008View on SEC EDGAR
Mar 15, 201810-Q0000909832-18-000002View on SEC EDGAR
Dec 21, 201710-Q0000909832-17-000022View on SEC EDGAR
Oct 18, 201710-K0000909832-17-000014View on SEC EDGAR
Jun 1, 201710-Q0000909832-17-000009View on SEC EDGAR
Mar 9, 201710-Q0000909832-17-000004View on SEC EDGAR
Dec 16, 201610-Q0000909832-16-000040View on SEC EDGAR
Oct 12, 201610-K0000909832-16-000032View on SEC EDGAR
Jun 1, 201610-Q0000909832-16-000028View on SEC EDGAR
Mar 9, 201610-Q0000909832-16-000023View on SEC EDGAR
Dec 18, 201510-Q0000909832-15-000017View on SEC EDGAR
Oct 14, 201510-K0000909832-15-000014View on SEC EDGAR
Jun 4, 201510-Q0000909832-15-000008View on SEC EDGAR
Mar 11, 201510-Q0000909832-15-000003View on SEC EDGAR
Dec 18, 201410-Q0000909832-14-000026View on SEC EDGAR
Oct 15, 201410-K0000909832-14-000021View on SEC EDGAR
Jun 5, 201410-Q0000909832-14-000015View on SEC EDGAR
Mar 14, 201410-Q0000909832-14-000008View on SEC EDGAR
Dec 20, 201310-Q0000909832-13-000011View on SEC EDGAR
Oct 16, 201310-K0001445305-13-002422View on SEC EDGAR
Jun 11, 201310-Q0001445305-13-001463View on SEC EDGAR
Mar 20, 201310-Q0001193125-13-117085View on SEC EDGAR
Dec 21, 201210-Q0001193125-12-512914View on SEC EDGAR
Oct 19, 201210-K0001193125-12-428890View on SEC EDGAR
Jun 6, 201210-Q0001193125-12-261925View on SEC EDGAR
Mar 15, 201210-Q0001193125-12-115279View on SEC EDGAR
Dec 16, 201110-Q0001193125-11-344028View on SEC EDGAR
Oct 14, 201110-K0001193125-11-271844View on SEC EDGAR
Jun 9, 201110-Q0001193125-11-161386View on SEC EDGAR
Mar 17, 201110-Q0001193125-11-069779View on SEC EDGAR
Dec 17, 201010-Q0001193125-10-283424View on SEC EDGAR
Oct 18, 201010-K0001193125-10-230379View on SEC EDGAR
Jun 10, 201010-Q0001193125-10-137013View on SEC EDGAR
Mar 17, 201010-Q0001193125-10-059399View on SEC EDGAR
Dec 18, 200910-Q0001193125-09-255610View on SEC EDGAR

This list covers filings that contain XBRL financial data (generally from 2009 onward). It does not include 8-Ks, proxy statements or other forms. For the complete history, see Costco Wholesale Corp. on EDGAR.

Source: SEC EDGAR XBRL company facts for CIK 909832 (raw data). Most recent filing in this dataset: 10-K filed Oct 7, 2026. SEC data file dated Nov 3, 2026; page built Nov 5, 2026. Figures are as most recently reported, including restatements. How we select figures.