LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
COSTCIK 0000909832

COSTCO WHOLESALE CORP /NEW

74 transactions by 22 insiders, from October 22, 2025 to October 13, 2026.

Transactions
7422 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$18.3Mopen market
Net
−$18.3Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Claudine AdamoPres8——$5.3M
Caton FratesPres7——$1.4M
John Christopher SullivanVP6———
James C. KlauerPres6——$1.4M
Javier PolitPres6——$2.3M
Patrick J. CallansPres5———
Gary MillerchipPres4———
Jeffrey S. RaikesDir4———
Kenneth D. DenmanDir3——$847K
Susan L. DeckerDir3——$437K
Roland Michael VachrisCEO3———
Teresa A. JonesPres2——$838K
William Richard WilcoxPres2——$3.3M
Sarah Catherine GeorgePres1———
Sarah Mr Sally JewellDir1———
Mary Agnes WilderotterDir1———
Hamilton E. JamesDir1———
Helena FoulkesDir1———
Russell D. MillerPres1——$1.4M
Gina Marie RaimondoDir1———
John W. StantonDir1———

Large holders and funds

Holders above 10%, often funds. They file the same form, but they trade for portfolio reasons, not because of what they know.

InsiderTradesPlannedBoughtSold
Tiffany Marie BarbreOther7——$1.2M

All transactions

74 in total, newest filings first.

InsiderDateCodeSharesPriceValue
William Richard WilcoxPresOct 13S1,100$958.21$1.1M
Caton FratesPresSep 29S801$915.93$733K
Claudine AdamoPresSep 29S2,200$915.93$2.0M
Jeffrey S. RaikesDirJul 10G5,249$0.00—
Kenneth D. DenmanDirJun 23S885$957.45$847K
Caton FratesPresApr 1S700$993.00$695K
Sarah Catherine GeorgePresMar 12I642$991.21$636K
Gary MillerchipPresMar 11F1,154$992.23$1.1M
Claudine AdamoPresMar 9S730$1,003.02$732K
Jeffrey S. RaikesDirJan 27G5,115$0.00—
Teresa A. JonesPresJan 27G300$0.00—
Teresa A. JonesPresJan 21S850$986.26$838K
Susan L. DeckerDirJan 16S458$955.00$437K
Gina Marie RaimondoDirJan 16A215$0.00—
James C. KlauerPresJan 14S1,500$939.00$1.4M
Russell D. MillerPresJan 9S1,500$916.32$1.4M
Javier PolitPresDec 30S558$862.90$482K
Javier PolitPresDec 29S2,049$867.21$1.8M
Kenneth D. DenmanDirDec 19G325$0.00—
Susan L. DeckerDirDec 15G2,827$0.00—
Jeffrey S. RaikesDirNov 10G4,120$0.00—
William Richard WilcoxPresNov 7S2,400$930.13$2.2M
Roland Michael VachrisCEOOct 22F1,160$944.68$1.1M
Roland Michael VachrisCEOOct 22F1,493$944.68$1.4M
Roland Michael VachrisCEOOct 22A13,834$0.00—
John Christopher SullivanVPOct 22F366$944.68$346K
John Christopher SullivanVPOct 22F585$944.68$552K
John Christopher SullivanVPOct 22F569$944.68$537K
John Christopher SullivanVPOct 22F573$944.68$541K
John Christopher SullivanVPOct 22F421$944.68$398K
John Christopher SullivanVPOct 22A4,654$0.00—
Javier PolitPresOct 22F337$944.68$318K
Javier PolitPresOct 22F294$944.68$278K
Javier PolitPresOct 22F538$944.68$508K
Javier PolitPresOct 22A4,219$0.00—
Gary MillerchipPresOct 22F500$944.68$473K
Gary MillerchipPresOct 22F313$944.68$296K
Gary MillerchipPresOct 22A6,268$0.00—
James C. KlauerPresOct 22F111$944.68$105K
James C. KlauerPresOct 22F177$944.68$167K
James C. KlauerPresOct 22F199$944.68$188K
James C. KlauerPresOct 22F191$944.68$180K
James C. KlauerPresOct 22F240$944.68$227K
Caton FratesPresOct 22F706$944.68$667K
Caton FratesPresOct 22F901$944.68$851K
Caton FratesPresOct 22F758$944.68$716K
Caton FratesPresOct 22F248$944.68$234K
Caton FratesPresOct 22F156$944.68$147K
Patrick J. CallansPresOct 22F111$944.68$104K
Patrick J. CallansPresOct 22F177$944.68$167K
Patrick J. CallansPresOct 22F199$944.68$188K
Patrick J. CallansPresOct 22F191$944.68$181K
Patrick J. CallansPresOct 22F240$944.68$227K
John W. StantonDirOct 22A286$0.00—
Mary Agnes WilderotterDirOct 22A286$0.00—
Jeffrey S. RaikesDirOct 22A286$0.00—
Sarah Mr Sally JewellDirOct 22A286$0.00—
Hamilton E. JamesDirOct 22A286$0.00—
Helena FoulkesDirOct 22A286$0.00—
Kenneth D. DenmanDirOct 22A286$0.00—
Susan L. DeckerDirOct 22A286$0.00—
Tiffany Marie BarbreOtherOct 24S1,239$934.62$1.2M
Tiffany Marie BarbreOtherOct 22F85$944.68$80K
Tiffany Marie BarbreOtherOct 22F135$944.68$128K
Tiffany Marie BarbreOtherOct 22F119$944.68$112K
Tiffany Marie BarbreOtherOct 22F90$944.68$85K
Tiffany Marie BarbreOtherOct 22F114$944.68$107K
Tiffany Marie BarbreOtherOct 22A2,118$0.00—
Claudine AdamoPresOct 24S2,700$935.68$2.5M
Claudine AdamoPresOct 22F111$944.68$104K
Claudine AdamoPresOct 22F177$944.68$167K
Claudine AdamoPresOct 22F199$944.68$188K
Claudine AdamoPresOct 22F97$944.68$92K
Claudine AdamoPresOct 22F122$944.68$115K