Costco Wholesale Corp. insider trading
In the last twelve months insiders at Costco Wholesale Corp. filed 14 open-market sales worth $19.0 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Denman Kenneth D, Director, sold 885 shares at $957.45 on 23 June 2026, filed 25 June 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 23 June 2026 | Denman Kenneth D | Director | Sale | 885 | $957.45 | $847,345 | Form 4 |
| 1 April 2026 | Frates Caton | Executive Vice President | Sale | 700 | $993.00 | $695,100 | Form 4 |
| 9 March 2026 | Adamo Claudine | Executive Vice President | Sale | 730 | $1,003.02 | $732,205 | Form 4 |
| 21 January 2026 | Jones Teresa A. | Executive Vice President | Sale | 850 | $986.26 | $838,318 | Form 4 |
| 16 January 2026 | Decker Susan L | Director | Sale | 458 | $955.00 | $437,390 | Form 4 |
| 14 January 2026 | Klauer James C | Executive Vice President | Sale | 1,500 | $939.00 | $1.4 million | Form 4 |
| 9 January 2026 | Miller Russell D | Sr. Executive Vice President | Sale | 1,500 | $916.32 | $1.4 million | Form 4 |
| 30 December 2025 | Polit Javier | Executive Vice President | Sale | 558 | $862.89 | $481,759 | Form 4 |
| 29 December 2025 | Polit Javier | Executive Vice President | Sale | 2,049 | $867.21 | $1.8 million | Form 4 |
| 7 November 2025 | Wilcox William Richard | Executive Vice President | Sale | 2,400 | $930.13 | $2.2 million | Form 4 |
| 24 October 2025 | Barbre Tiffany Marie | Insider | Sale | 1,239 | $934.62 | $1.2 million | Form 4 |
| 24 October 2025 | Adamo Claudine | Executive Vice President | Sale | 2,700 | $935.68 | $2.5 million | Form 4 |
| 29 September 2025 | Miller Russell D | Sr. Executive Vice President | Sale | 3,381 | $915.00 | $3.1 million | Form 4 |
| 29 September 2025 | Frates Caton | Executive Vice President | Sale | 1,540 | $910.02 | $1.4 million | Form 4 |
Open-market purchases (code P) and sales (code S) only. Option exercises, grants, tax withholding and gifts are not shown. A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Costco Wholesale Corp.: the company's filing index.
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