Form 4 Tracker
COSTCO WHOLESALE CORP /NEW
COST

12 insider filings · Latest: Jul 10, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 23, 2026Jun 25 8:12 PMKenneth D DenmanDirector
Sale
885$957.45$847.3K4,778.936(D)

View →

Jun 23, 2026Jun 23 8:08 PMDENMAN KENNETH D
Proposed Sale
885$957.45$847.3K

View →

Jun 12, 2026Jun 12 3:39 PMCallans Patrick J
Proposed Sale
1,001$971.88$972.8K

View →

Jun 5, 2026Jun 5 4:04 PMCallans Patrick J
Proposed Sale
1,000$995.37$995.4K

View →

Apr 1, 2026Apr 1 10:13 PMCaton FratesExecutive Vice President
Sale
700$993.00$695.1K5,815.001(D)

View →

Apr 1, 2026Apr 1 8:42 PMCaton Frates
Proposed Sale
700$985.37$689.8K

View →

Mar 9, 2026Mar 11 8:08 PMClaudine AdamoExecutive Vice President
Sale
730$1,003.02$732.2K6,121.195(D)

View →

Mar 9, 2026Mar 9 4:36 PMAdamo Claudine
Proposed Sale
730$1,003.02$732.2K

View →

Jan 21, 2026Jan 23 9:53 PMTeresa A. JonesExecutive Vice President
Sale
850$986.26$838.3K4,227.804(D)

View →

Jan 21, 2026Jan 21 9:58 PMJones Teresa A.
Proposed Sale
850$986.26$838.3K

View →

Jan 16, 2026Jan 20 9:15 PMSusan L DeckerDirector
Sale
458$955.00$437.4K8,531.936(D)

View →

Jan 16, 2026Jan 16 9:14 PMSUSAN L DECKER TRUST
Proposed Sale
458$955.00$437.4K

View →

Jan 14, 2026Jan 14 2:36 PMKlauer James C
Proposed Sale
1,500$939.00$1.4M

View →

Jan 9, 2026Jan 9 9:38 PMTHE MILLER FAMILY TRUST
Proposed Sale
1,500$916.32$1.4M

View →

Dec 30, 2025Dec 31 9:59 PMJavier PolitExecutive Vice President
Sale
558.305$862.89$481.8K10,189.592(D)

View →

Dec 29, 2025Dec 31 9:59 PMJavier PolitExecutive Vice President
Sale
2,049$867.21$1.8M10,747.897(D)

View →

Dec 30, 2025Dec 30 6:17 PMPOLIT JAVIER
Proposed Sale
559$861.82$481.8K

View →

Dec 29, 2025Dec 29 9:02 PMPOLIT JAVIER
Proposed Sale
2,049$867.21$1.8M

View →

Nov 7, 2025Nov 7 5:26 PMWilcox William Richard
Proposed Sale
2,400$930.13$2.2M

View →

Oct 24, 2025Oct 24 6:38 PMBarbre Tiffany Marie
Proposed Sale
1,240$934.16$1.2M

View →

Page 1 of 3

Next →

Stock Options & Derivatives

No transactions found.