Form4insider filings, from the source

Insider · CIK 0001228977

William H Gates II

Files at: COST. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Apr 6, 2015 GForm 4 →Aug 6, 1:58 pm EDTCOSTCO WHOLESALE CORP /NEWCOST3,350——45,000— plan? late
Feb 27, 2015 AForm 4 →Mar 3, 6:21 pm ESTCOSTCO WHOLESALE CORP /NEWCOST216$146.96$31,74348,350— plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.