Open Insider Trading Activity for Costco Wholesale Corp /New Other Barbre Tiffany Marie
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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Charting by TradingView Lightweight Charts
| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. COST | 2025-10-24 | 2025-10-24 | Costco Wholesale Corp /New | Barbre Tiffany Marie | Other | Sell | 1 | 1,239.38 | $934.62 | $1,158,349.34 | 19.38% | View Filing |