Open Insider Trading Activity for Day One Biopharmaceuticals, Inc. COO and CFO York Charles N Ii
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting DAWN | 2025-11-18 | 2025-11-17 | Day One Biopharmaceuticals, Inc. | York Charles N Ii | COO and CFO | Sell | 1 | 4,062 | $8.91 | $36,192.42 | 1.36% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting DAWN | 2024-08-19 | 2024-08-16 | Day One Biopharmaceuticals, Inc. | York Charles N Ii | COO, CFO AND SECRETARY | Sell | 1 | 2,633 | $14.00 | $36,862.00 | 1.12% | View Filing |