Form4insider filings, from the source

Insider · CIK 0001184498

Joseph P Portera

Files at: COST. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $12.4M · 5net −$12.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesOct 2009May 2011Dec 2012Jul 2014Jan 2016Aug 2017Mar 2019

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Mar 11, 2019 SForm 4 →Mar 13, 3:10 pm EDTCOSTCO WHOLESALE CORP /NEWCOST11,765$228.51$2,688,38813,808−46.0% plan?
Oct 25, 2018 JForm 4 →Mar 13, 2019, 3:10 pm EDTCOSTCO WHOLESALE CORP /NEWCOST7,536——11,447— plan? late
Oct 5, 2018 FJForm 4 →Oct 24, 6:33 pm EDTCOSTCO WHOLESALE CORP /NEWCOST18,043$229.06$709,8577,679— plan? late
Oct 2, 2018 AForm 4/A →Oct 30, 6:45 pm EDTCOSTCO WHOLESALE CORP /NEWCOST18,680——44,895— plan?
Oct 2, 2018 AFForm 4 →Oct 4, 3:19 pm EDTCOSTCO WHOLESALE CORP /NEWCOST17,438$236.35$1,177,73233,687— plan? amended
Dec 18, 2017 SForm 4 →Dec 20, 12:55 pm ESTCOSTCO WHOLESALE CORP /NEWCOST10,000$193.09$1,930,853207−98.0% plan?
Oct 24, 2017 GJForm 4 →Dec 20, 12:55 pm ESTCOSTCO WHOLESALE CORP /NEWCOST9,394——10,207— plan? late
Oct 22, 2017 FForm 4 →Oct 24, 2:40 pm EDTCOSTCO WHOLESALE CORP /NEWCOST3,605$160.77$579,57630,788— plan?
Oct 2, 2017 AForm 4/A →Oct 5, 5:31 pm EDTCOSTCO WHOLESALE CORP /NEWCOST626$165.89$103,84734,393— plan?
Oct 2, 2017 AFForm 4 →Oct 3, 5:23 pm EDTCOSTCO WHOLESALE CORP /NEWCOST25,113$165.89$919,52833,767— plan? amended
May 24, 2017 AForm 4/A →Jan 9, 2018, 11:23 am ESTCOSTCO WHOLESALE CORP /NEWCOST448$173.01$77,50819,114— plan?
Jan 10, 2017 AJForm 4 →May 25, 9:47 pm EDTCOSTCO WHOLESALE CORP /NEWCOST1,786$173.01$185,8137,760— plan? late
Dec 9, 2016 SForm 4 →Dec 9, 5:37 pm ESTCOSTCO WHOLESALE CORP /NEWCOST16,921$158.38$2,679,99519,022−47.1% plan?
Oct 14, 2016 FJForm 4 →Oct 25, 3:19 pm EDTCOSTCO WHOLESALE CORP /NEWCOST18,572$148.97$560,7237,404— plan? late
Oct 5, 2016 AFForm 4 →Oct 7, 4:19 pm EDTCOSTCO WHOLESALE CORP /NEWCOST23,333$149.98$733,85247,111— plan?
Oct 22, 2015 FForm 4 →Oct 26, 6:24 pm EDTCOSTCO WHOLESALE CORP /NEWCOST4,073$158.15$644,14519,218— plan?
Oct 13, 2015 SForm 4 →Oct 15, 7:04 pm EDTCOSTCO WHOLESALE CORP /NEWCOST10,000$152.75$1,527,54423,291−30.0% plan?
Sep 24, 2015 AFForm 4 →Sep 28, 12:22 pm EDTCOSTCO WHOLESALE CORP /NEWCOST26,960$144.87$863,42570,945— plan?
Feb 27, 2015 AForm 4 →Mar 3, 6:27 pm ESTCOSTCO WHOLESALE CORP /NEWCOST1,599$146.96$234,98955,005— plan?
Oct 30, 2009 SForm 4 →Dec 1, 2015, 7:03 pm ESTCOSTCO WHOLESALE CORP /NEWCOST51,253$69.85$3,579,85846,991−52.2% plan? late

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.