Form4insider filings, from the source

Insider · CIK 0001729360

James C Klauer

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, 5:23 pm EDTCOSTCO WHOLESALE CORP /NEWCOST5,065$902.38$844,73148,030—
Oct 22, 2018 FForm 4 →Oct 24, 6:29 pm EDTCOSTCO WHOLESALE CORP /NEWCOST2,093$229.06$479,42328,715— plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.