Atara Biotherapeutics, Inc. (ATRA)
NASDAQ: ATRA · Real-Time Price · USD
9.48
+0.25 (2.71%)
Oct 9, 2026, 4:00 PM EDT - Market closed
Atara Biotherapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | 9.33 | 9.56 | 9.33 | 9.48 | 9.48 | 2.71% | 22,147 |
| Oct 8, 2026 | 9.42 | 9.42 | 8.82 | 9.23 | 9.23 | -1.49% | 28,942 |
| Oct 7, 2026 | 9.62 | 9.75 | 9.37 | 9.37 | 9.37 | -3.90% | 11,448 |
| Oct 6, 2026 | 9.41 | 9.79 | 9.05 | 9.75 | 9.75 | 3.72% | 47,597 |
| Oct 5, 2026 | 9.59 | 9.63 | 8.95 | 9.40 | 9.40 | -0.84% | 39,317 |
| Oct 2, 2026 | 8.46 | 9.68 | 8.25 | 9.48 | 9.48 | 12.06% | 85,647 |
| Oct 1, 2026 | 8.73 | 9.20 | 8.23 | 8.46 | 8.46 | -0.47% | 90,926 |
| Sep 30, 2026 | 8.08 | 8.71 | 7.83 | 8.50 | 8.50 | 5.59% | 29,272 |
| Sep 29, 2026 | 8.33 | 8.82 | 7.89 | 8.05 | 8.05 | -3.82% | 56,350 |
| Sep 28, 2026 | 8.69 | 8.71 | 8.34 | 8.37 | 8.37 | -4.99% | 23,524 |
| Sep 25, 2026 | 8.60 | 8.99 | 8.54 | 8.81 | 8.81 | 3.16% | 31,197 |
| Sep 24, 2026 | 8.60 | 8.86 | 8.33 | 8.54 | 8.54 | -0.23% | 20,456 |
| Sep 23, 2026 | 8.92 | 8.95 | 8.40 | 8.56 | 8.56 | -4.14% | 40,472 |
| Sep 22, 2026 | 9.30 | 9.60 | 8.93 | 8.93 | 8.93 | -4.80% | 27,228 |
| Sep 21, 2026 | 9.69 | 9.92 | 9.30 | 9.38 | 9.38 | -3.20% | 29,632 |
| Sep 18, 2026 | 9.73 | 10.19 | 9.60 | 9.69 | 9.69 | -0.21% | 37,766 |
| Sep 17, 2026 | 10.28 | 10.28 | 9.41 | 9.71 | 9.71 | -3.96% | 26,420 |
| Sep 16, 2026 | 9.50 | 10.37 | 9.07 | 10.11 | 10.11 | 7.10% | 116,639 |
| Sep 15, 2026 | 9.21 | 9.88 | 8.92 | 9.44 | 9.44 | 2.05% | 56,061 |
| Sep 14, 2026 | 9.09 | 9.71 | 9.07 | 9.25 | 9.25 | -1.39% | 50,844 |
| Sep 11, 2026 | 10.00 | 10.00 | 9.38 | 9.38 | 9.38 | -5.16% | 16,024 |
| Sep 10, 2026 | 9.94 | 9.94 | 9.52 | 9.89 | 9.89 | -0.20% | 23,151 |
| Sep 9, 2026 | 10.27 | 10.43 | 9.76 | 9.91 | 9.91 | -3.13% | 68,348 |
| Sep 8, 2026 | 10.60 | 11.33 | 10.23 | 10.23 | 10.23 | 4.82% | 106,571 |
| Sep 4, 2026 | 9.45 | 9.95 | 9.25 | 9.76 | 9.76 | 2.41% | 132,728 |
| Sep 3, 2026 | 9.49 | 9.53 | 9.00 | 9.53 | 9.53 | 0.95% | 25,276 |
| Sep 2, 2026 | 9.08 | 9.48 | 9.08 | 9.44 | 9.44 | 4.66% | 20,898 |
| Sep 1, 2026 | 8.96 | 9.18 | 8.80 | 9.02 | 9.02 | 1.35% | 51,942 |
| Aug 31, 2026 | 9.09 | 9.29 | 8.83 | 8.90 | 8.90 | -3.26% | 30,241 |
| Aug 28, 2026 | 9.18 | 9.21 | 8.90 | 9.20 | 9.20 | -0.54% | 15,343 |
| Aug 27, 2026 | 9.38 | 9.60 | 9.17 | 9.25 | 9.25 | -1.39% | 26,839 |
| Aug 26, 2026 | 9.65 | 9.84 | 9.38 | 9.38 | 9.38 | -4.67% | 63,701 |
| Aug 25, 2026 | 9.57 | 10.02 | 9.54 | 9.84 | 9.84 | 4.02% | 48,512 |
| Aug 24, 2026 | 9.57 | 9.66 | 9.31 | 9.46 | 9.46 | -2.47% | 23,966 |
| Aug 21, 2026 | 9.46 | 9.89 | 9.15 | 9.70 | 9.70 | 3.41% | 27,085 |
| Aug 20, 2026 | 9.60 | 9.74 | 9.14 | 9.38 | 9.38 | -2.29% | 28,018 |
| Aug 19, 2026 | 8.85 | 9.74 | 8.28 | 9.60 | 9.60 | 10.09% | 79,145 |
| Aug 18, 2026 | 8.34 | 8.90 | 8.34 | 8.72 | 8.72 | 4.31% | 29,500 |
| Aug 17, 2026 | 8.00 | 8.48 | 7.81 | 8.36 | 8.36 | 3.34% | 65,964 |
| Aug 14, 2026 | 8.51 | 8.51 | 7.99 | 8.09 | 8.09 | -4.94% | 66,247 |
| Aug 13, 2026 | 8.34 | 9.24 | 7.73 | 8.51 | 8.51 | -7.75% | 126,480 |
| Aug 12, 2026 | 8.88 | 9.43 | 8.70 | 9.23 | 9.23 | 3.19% | 88,981 |
| Aug 11, 2026 | 8.62 | 9.04 | 8.36 | 8.94 | 8.94 | 3.83% | 29,244 |
| Aug 10, 2026 | 8.42 | 8.80 | 8.09 | 8.61 | 8.61 | 1.89% | 45,317 |
| Aug 7, 2026 | 8.30 | 8.49 | 8.20 | 8.45 | 8.45 | 2.42% | 22,868 |
| Aug 6, 2026 | 8.60 | 8.65 | 8.09 | 8.25 | 8.25 | -3.40% | 22,852 |
| Aug 5, 2026 | 8.60 | 8.98 | 8.38 | 8.54 | 8.54 | -2.62% | 32,523 |
| Aug 4, 2026 | 8.55 | 9.11 | 8.55 | 8.77 | 8.77 | 2.57% | 42,279 |
| Aug 3, 2026 | 8.42 | 8.66 | 8.26 | 8.55 | 8.55 | 2.03% | 53,225 |
| Jul 31, 2026 | 8.17 | 8.67 | 7.86 | 8.38 | 8.38 | 2.57% | 34,489 |