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Who

James C. Klauer

Executive Vice President

Company insider

Files Form 4 as: Executive Vice President, Costco Wholesale.

In numbers

Trades disclosed
73
Buys
0
Sells
7
Bought
$0
Sold
$13.4M
Companies
1
Companies where not an officer
0
First trade
22 Oct 2018
Last trade
10 Sep 2026
Last filed
14 Sep 2026

Companies traded

Where they are an officer
COST Costco WholesaleOfficer · Mass, Grocery & Drug Retail · last 10 Sep 20260 buys · 7 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Sep 2026filed 14 Sep 2026COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code A—4,129 at $0.00filing
10 Sep 2026filed 14 Sep 2026COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$845K936.115 at $902.38filing
10 Sep 2026filed 14 Sep 2026COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code A—4,129 at $0.00filing
10 Sep 2026filed 14 Sep 2026COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$845K936.12 at $902.38filing
14 Jan 2026filed 15 Jan 2026COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Sold$1.4M1,500 at $939.00filing
14 Jan 2026filed 15 Jan 2026COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Sold$1.4M1,500 at $939.00filing
22 Oct 2025filed 24 Oct 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$227K239.95 at $944.68filing
22 Oct 2025filed 24 Oct 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$180K190.68 at $944.68filing
22 Oct 2025filed 24 Oct 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$188K198.69 at $944.68filing
22 Oct 2025filed 24 Oct 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$167K177.06 at $944.68filing
22 Oct 2025filed 24 Oct 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$105K110.97 at $944.68filing
10 Sep 2025filed 12 Sep 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code A—4,219 at $0.00filing
10 Sep 2025filed 12 Sep 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$916K958.29 at $956.29filing
17 Apr 2025filed 21 Apr 2025COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Sold$3.9M4,000 at $981.07filing
22 Oct 2024filed 24 Oct 2024COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$260K291.22 at $893.49filing
22 Oct 2024filed 24 Oct 2024COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$214K239.95 at $893.49filing
22 Oct 2024filed 24 Oct 2024COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$171K191.08 at $893.49filing
22 Oct 2024filed 24 Oct 2024COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$177K198.29 at $893.49filing
22 Oct 2024filed 24 Oct 2024COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code F$158K176.66 at $893.49filing
16 Sep 2024filed 18 Sep 2024COST Costco WholesaleMass, Grocery & Drug RetailSEC FORM 4 Code A—6,737.12 at $0.00filing

Sectors

Consumer Staples7

Buys in green, sells in red, by the company’s sector.

Related people

William Richard WilcoxExecutive Vice President · Executive Vice President at Costco Wholesale Corp /new, filing Form 4 there in the last year
Claudine AdamoExecutive Vice President · Executive Vice President at Costco Wholesale Corp /new, filing Form 4 there in the last year
Caton FratesSr. Executive Vice President · Sr. Executive Vice President at Costco Wholesale Corp /new, filing Form 4 there in the last year
Yoram RubanenkoExecutive Vice President · Executive Vice President at Costco Wholesale Corp /new, filing Form 4 there in the last year
Pierre RielExecutive Vice President · Executive Vice President at Costco Wholesale Corp /new, filing Form 4 there in the last year
Rick W. AllenRepresentative, GA-12 · Also traded COST in the last 90 days
Richard McCormickRepresentative, GA-07 · Also traded COST in the last 90 days
Donald J. TrumpPresident · Also traded COST in the last 90 days