Form4insider filings, from the source

Insider · CIK 0002087546

William Richard Wilcox

Files at: COST. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 AFForm 4 →Sep 14, 5:30 pm EDTCOSTCO WHOLESALE CORP /NEWCOST6,064$902.38$1,745,7524,194—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.