| Type | Value |
|---|---|
| cik | 0000909832 |
| ticker | COST |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 11 Mar 2026 | TAX_WITHHOLDING | MILLERCHIP GARY | 1,154.02 | 992.23 USD | |
| 12 Mar 2026 | OTHER | George Sarah Catherine | 642.13 | 991.21 USD | indirect |
| 09 Mar 2026 | SALE | Adamo Claudine | 730 | 1003.02 USD | |
| 27 Jan 2026 | GIFT | Jones Teresa A.entity | 300 | 0.00 USD | |
| 27 Jan 2026 | GIFT | RAIKES JEFFREY S | 5,115 | 0.00 USD | |
| 21 Jan 2026 | SALE | Jones Teresa A.entity | 850 | 986.26 USD | |
| 16 Jan 2026 | SALE | DECKER SUSAN L | 458 | 955.00 USD | |
| 16 Jan 2026 | GRANT_AWARD | Raimondo Gina Marie | 215 | 0.00 USD | |
| 14 Jan 2026 | SALE | Klauer James C | 1,500 | 939.00 USD | |
| 09 Jan 2026 | SALE | Miller Russell D | 1,500 | 916.32 USD | indirect |
| 29 Dec 2025 | SALE | POLIT JAVIER | 2,049 | 867.21 USD | |
| 30 Dec 2025 | SALE | POLIT JAVIER | 558.31 | 862.90 USD | |
| 19 Dec 2025 | GIFT | DENMAN KENNETH D | 325 | 0.00 USD | |
| 15 Dec 2025 | GIFT | DECKER SUSAN L | 2,827 | 0.00 USD | |
| 10 Nov 2025 | GIFT | RAIKES JEFFREY S | 4,120 | 0.00 USD | |
| 07 Nov 2025 | SALE | Wilcox William Richard | 2,400 | 930.13 USD | |
| 22 Oct 2025 | GRANT_AWARD | MILLERCHIP GARY | 6,268 | 0.00 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | MILLERCHIP GARY | 500.32 | 944.68 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | MILLERCHIP GARY | 313.05 | 944.68 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | Klauer James C | 239.95 | 944.68 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | Klauer James C | 190.68 | 944.68 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | Klauer James C | 110.97 | 944.68 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | Klauer James C | 177.06 | 944.68 USD | |
| 22 Oct 2025 | TAX_WITHHOLDING | Klauer James C | 198.69 | 944.68 USD | |
| 22 Oct 2025 | GRANT_AWARD | DENMAN KENNETH D | 286 | 0.00 USD |