| Volume | 22,149 |
| Open | 9.330 |
| Bid (Size) | 9.400 (500) |
| Ask (Size) | 9.800 (100) |
| Prev. Close | 9.230 |
| Today's Range | 9.330 - 9.560 |
| 52wk Range | 3.920 - 19.14 |
| Shares Outstanding | 101,102,152 |
| Dividend Yield | N/A |
Atara Biotherapeutics, Inc. - Common Stock (ATRA) traded between $3.92 and $19.14 over the past 52 weeks and last traded at $9.48, 50.5% below its 52-week high. Over the past week it ranged between $8.82 and $9.79.
ATRA was -41.0% over the past year, +103.9% over six months, -46.7% year to date, +0.9% in the last week.
Over the past 12 months ATRA returned -41.0% versus DIA (Dow) +11.4%, SPY (S&P 500) +16.0%, QQQ (Nasdaq 100) +23.0% and IWM (Russell 2000) +13.8%.
ATRA most recently traded 22,149 shares against a 3-month average daily volume of 53.4K.