Form 4 Tracker
COSTCO WHOLESALE CORP /NEW
COST

12 insider filings · Latest: Jul 10, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 24, 2025Oct 24 5:41 PMAdamo Claudine
Proposed Sale
2,700$935.68$2.5M

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Sep 29, 2025Sep 29 8:34 PMTHE MILLER FAMILY TRUST
Proposed Sale
3,381$915.00$3.1M

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Sep 29, 2025Sep 29 3:11 PMFrates Caton
Proposed Sale
1,540$910.02$1.4M

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Aug 20, 2025Aug 20 5:07 PMJones Teresa A.
Proposed Sale
600$992.05$595.2K

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Jul 14, 2025Jul 14 5:32 PMRubanenko Yoram
Proposed Sale
4,000$974.96$3.9M

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Jun 18, 2025Jun 18 9:57 PMSUSAN L DECKER
Proposed Sale
1$978.40$978

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Jun 18, 2025Jun 18 8:18 PMSUSAN L DECKER
Proposed Sale
546$980.00$535.1K

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Jun 9, 2025Jun 9 4:04 PMCallans Patrick J
Proposed Sale
3,000$1,002.77$3.0M

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Jun 6, 2025Jun 6 8:16 PMRiel Pierre
Proposed Sale
2,000$1,014.15$2.0M

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Apr 17, 2025Apr 17 3:16 PMKlauer James C
Proposed Sale
4,000$981.07$3.9M

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Mar 27, 2025Mar 27 3:56 PMMILLERCHIP GARY
Proposed Sale
1,100$940.01$1.0M

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Mar 24, 2025Mar 24 7:11 PMAdamo Claudine
Proposed Sale
900$922.56$830.3K

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Mar 18, 2025Mar 18 8:09 PMFrates Caton
Proposed Sale
850$900.25$765.2K

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Mar 11, 2025Mar 11 2:07 PMVachris Roland Michael
Proposed Sale
3,600$931.00$3.4M

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Oct 24, 2024Oct 24 7:44 PMGALANTI RICHARD A
Proposed Sale
1,417$894.34$1.3M

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Oct 23, 2024Oct 23 7:00 PMJones Teresa A.
Proposed Sale
800$896.55$717.2K

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Oct 15, 2024Oct 15 4:31 PMRiel Pierre
Proposed Sale
2,000$896.71$1.8M

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Oct 11, 2024Oct 11 8:08 PMTHE MILLER FAMILY TRUST
Proposed Sale
4,400$891.15$3.9M

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Sep 30, 2024Sep 30 6:54 PMFrates Caton
Proposed Sale
1,700$883.35$1.5M

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Sep 30, 2024Sep 30 5:49 PMAdamo Claudine
Proposed Sale
3,200$888.99$2.8M

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Stock Options & Derivatives

No transactions found.