| Volume | 6,405 |
| Open | 8.100 |
| Bid (Size) | 8.210 (100) |
| Ask (Size) | 8.420 (500) |
| Prev. Close | 8.100 |
| Today's Range | 7.940 - 8.370 |
| 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 $8.31, 56.6% below its 52-week high. Over the past week it ranged between $7.47 and $8.53.
ATRA was -32.4% over the past year, -15.2% over six months, -53.2% year to date, -0.7% in the last week.
Over the past 12 months ATRA returned -32.4% versus DIA (Dow) +10.6%, SPY (S&P 500) +11.6%, QQQ (Nasdaq 100) +11.1% and IWM (Russell 2000) +16.0%.
ATRA most recently traded 6,405 shares against a 3-month average daily volume of 39.9K.