Form4insider filings, from the source

SEC Form 4 · accession 0000909832-26-000076

COSTCO WHOLESALE CORP /NEW · COST

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Pierre Riel
Officer — Executive Vice President
Period of report
Sep 10, 2026
Accepted (ET)
Sep 14, 2026 · 5:25 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000909832

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1,F2Sep 10, 2026A4,552$0.00A15,808D
Common StockSep 10, 2026F1,562$902.38D14,246D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses