Open Insider Trading Activity for Atara Biotherapeutics, Inc. President and CEO Nguyen Anhco
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 ATRA | 2026-05-20 | 2026-05-18 | Atara Biotherapeutics, Inc. | Nguyen Anhco | President and CEO | Sell | 1 | 5,241 | $9.13 | $47,850.33 | 3.66% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting ATRA | 2025-11-19 | 2025-11-17 | Atara Biotherapeutics, Inc. | Nguyen Anhco | President and CEO | Sell | 2 | 2,915 | $13.19 | $38,448.85 | 2.19% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting ATRA | 2024-11-20 | 2024-11-18 | Atara Biotherapeutics, Inc. | Nguyen Anhco | President and CEO | Sell | 1 | 1,664 | $11.20 | $18,636.80 | 2.10% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting ATRA | 2024-05-20 | 2024-05-16 | Atara Biotherapeutics, Inc. | Nguyen Anhco | EVP, Chief Sci. & Tech Officer | Sell | 1 | 42,899 | $0.62 | $26,597.38 | 4.56% | View Filing |