Costco Wholesale Corporation
Change company
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
IN
US
US
US
US
US
US
US
AU
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
JP
US
US
US
US
US
US
US
US
US
BM
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
CA
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
US
CA
US
US
US
US
US
US
US
US
US
US
US
US
US
Browse all Costco Wholesale Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more
2026
Automatic shelf registration for eligible issuers
Specialized disclosure report (e.g., conflict minerals)
Material company events (earnings, M&A, or leadership changes)
Corrected or updated initial insider ownership
Passive large shareholder ownership disclosure
Material company events (earnings, M&A, or leadership changes)
Insider ownership (buying, selling) activity
Updated passive ownership disclosure
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Initial disclosure of insider ownership
Quarterly financial results and management updates
Insider ownership (buying, selling) activity
Material company events (earnings, M&A, or leadership changes)
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Material company events (earnings, M&A, or leadership changes)
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Initial disclosure of insider ownership
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
2025
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Quarterly financial results and management updates
Insider ownership (buying, selling) activity
Material company events (earnings, M&A, or leadership changes)
Final shareholder voting details (board elections and executive pay)
Additional or supplemental proxy disclosures
Annual Report to Shareholders
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Insider ownership (buying, selling) activity
Stock Offerings / Automatic shelf registration for eligible issuers
Jun 3, 2026
Preview not available. Use the button to open the filing.
Open FilingNo filings available!