Form4insider filings, from the source

Insider · CIK 0001916969

Pierre Riel

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, 5:25 pm EDTCOSTCO WHOLESALE CORP /NEWCOST6,114$902.38$1,409,21114,246—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.