William Richard Wilcox insider trades: Costco Wholesale Corp /New (COST) stock sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where William reports to the SEC
Open-market buys and sales
2 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | COST | ↓ Sell | 1,100 | $958.21 | $1.1M | Direct | Oct 14, 2026 (1d) |
| Nov 7, 2025 | COST | ↓ Sell | 2,400 | $930.13 | $2.2M | Direct | Nov 12, 2025 (5d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other COST insiders
Open-market trades in the last 12 months
About William Richard Wilcox's insider trades
William Richard Wilcox is Executive Vice President at Costco Wholesale Corp /New (COST). Since Nov 7, 2025, William has reported no open-market purchases and 2 sales worth $3.3M on SEC Form 4. In the last 12 months: 2 sales ($3.3M).
Their filings also include grants and awards (1 filing), shares withheld for taxes (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every COST insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.