COSTCO WHOLESALE CORP /NEW
COST
22 insider filings · Latest: Oct 13, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Oct 14 11:00 PM | William Richard WilcoxExecutive Vice President | Sale | 1,100 | $958.21 | $1.1M | 3,094.391(D) | View → |
| Oct 13, 2026 | Oct 13 7:26 PM | Wilcox William Richard | Proposed Sale | 1,100 | $958.20 | $1.1M | — | View → |
| Sep 29, 2026 | Sep 30 9:52 PM | Caton FratesSr. Executive Vice President | Sale | 800.638 | $915.93 | $733.3K | 7,912(D) | View → |
| Sep 29, 2026 | Sep 30 9:48 PM | Claudine AdamoExecutive Vice President | Sale | 2,200 | $915.93 | $2.0M | 7,133.51(D) | View → |
| Sep 29, 2026 | Sep 29 6:02 PM | Adamo Claudine | Proposed Sale | 2,200 | $915.93 | $2.0M | — | View → |
| Sep 29, 2026 | Sep 29 5:32 PM | Frates Caton | Proposed Sale | 801 | $915.52 | $733.3K | — | View → |
| Jun 23, 2026 | Jun 25 8:12 PM | Kenneth D DenmanDirector | Sale | 885 | $957.45 | $847.3K | 4,778.936(D) | View → |
| Jun 23, 2026 | Jun 23 8:08 PM | DENMAN KENNETH D | Proposed Sale | 885 | $957.45 | $847.3K | — | View → |
| Jun 12, 2026 | Jun 12 3:39 PM | Callans Patrick J | Proposed Sale | 1,001 | $971.88 | $972.8K | — | View → |
| Jun 5, 2026 | Jun 5 4:04 PM | Callans Patrick J | Proposed Sale | 1,000 | $995.37 | $995.4K | — | View → |
| Apr 1, 2026 | Apr 1 10:13 PM | Caton FratesExecutive Vice President | Sale | 700 | $993.00 | $695.1K | 5,815.001(D) | View → |
| Apr 1, 2026 | Apr 1 8:42 PM | Caton Frates | Proposed Sale | 700 | $985.37 | $689.8K | — | View → |
| Mar 9, 2026 | Mar 11 8:08 PM | Claudine AdamoExecutive Vice President | Sale | 730 | $1,003.02 | $732.2K | 6,121.195(D) | View → |
| Mar 9, 2026 | Mar 9 4:36 PM | Adamo Claudine | Proposed Sale | 730 | $1,003.02 | $732.2K | — | View → |
| Jan 21, 2026 | Jan 23 9:53 PM | Teresa A. JonesExecutive Vice President | Sale | 850 | $986.26 | $838.3K | 4,227.804(D) | View → |
| Jan 21, 2026 | Jan 21 9:58 PM | Jones Teresa A. | Proposed Sale | 850 | $986.26 | $838.3K | — | View → |
| Jan 16, 2026 | Jan 20 9:15 PM | Susan L DeckerDirector | Sale | 458 | $955.00 | $437.4K | 8,531.936(D) | View → |
| Jan 16, 2026 | Jan 16 9:14 PM | SUSAN L DECKER TRUST | Proposed Sale | 458 | $955.00 | $437.4K | — | View → |
| Jan 14, 2026 | Jan 14 2:36 PM | Klauer James C | Proposed Sale | 1,500 | $939.00 | $1.4M | — | View → |
| Jan 9, 2026 | Jan 9 9:38 PM | THE MILLER FAMILY TRUST | Proposed Sale | 1,500 | $916.32 | $1.4M | — | View → |
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Stock Options & Derivatives
No transactions found.