Costco Wholesale Corporation insider trades
as of filings through Oct 14, 2026
- Bought
- $0
- 0 trades, 0 insiders
- Sold
- $3.80M
- 3 trades, 3 insiders
- Net
- −$3.80M
- since Sep 30, 2026
- Under 10b5-1 plans
- 0
- of 3 sales
FiledStockInsiderSideValueSharesAvg priceTraded
- Filed Oct 14, 7:00 PM (the Form 4 at the SEC), traded Oct 13COSTSoldWilliam Richard Wilcox · Executive Vice President$1.1M
- Filed Sep 30, 5:52 PM (the Form 4 at the SEC), traded Sep 29COSTSoldCaton Frates · Sr. Executive Vice President$733K
- Filed Sep 30, 5:48 PM (the Form 4 at the SEC), traded Sep 29COSTSoldClaudine Adamo · Executive Vice President$2.0M