COST insider trading
Costco Wholesale Corp /New
In the past 36 days, 3 insiders sold $3.8M.
Insider purchases
No open-market purchases by insiders in this period.
Insider sales
| Insider | Value | Holdings | Plan | Traded / filed |
|---|---|---|---|---|
William Richard Wilcox Executive Vice President |
$1.1M 1,100 sh @ $958.21 |
−26.2% | Not pre-scheduled | Oct 13, 2026 Filed Oct 14, 2026 |
Claudine Adamo Executive Vice President |
$2.0M 2,200 sh @ $915.93 |
−23.6% | Not pre-scheduled | Sep 29, 2026 Filed Sep 30, 2026 |
Caton Frates Sr. Executive Vice President |
$733K 801 sh @ $915.93 |
−9.2% | Not pre-scheduled | Sep 29, 2026 Filed Sep 30, 2026 |