| Volume | 16,301 |
| Open | 7.860 |
| Bid (Size) | 7.500 (100) |
| Ask (Size) | 10.09 (300) |
| Prev. Close | 7.960 |
| Today's Range | 7.740 - 8.000 |
| 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 $7.87, 58.9% below its 52-week high. Over the past week it ranged between $7.47 and $8.65.
ATRA was -33.4% over the past year, -5.6% over six months, -55.7% year to date, -7.2% in the last week.
Over the past 12 months ATRA returned -33.4% versus DIA (Dow) +9.2%, SPY (S&P 500) +9.7%, QQQ (Nasdaq 100) +7.3% and IWM (Russell 2000) +13.9%.
ATRA most recently traded 16,301 shares against a 3-month average daily volume of 40.2K.