Atara Biotherapeutics, Inc. (ATRA)
NASDAQ: ATRA · Real-Time Price · USD
8.77
+0.22 (2.57%)
At close: Aug 4, 2026, 4:00 PM EDT
8.60
-0.17 (-1.94%)
After-hours: Aug 4, 2026, 5:11 PM EDT
Atara Biotherapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Jul 30, 2026 | 8.18 | 8.32 | 7.86 | 8.17 | 8.17 | 1.36% | 95,964 |
| Jul 29, 2026 | 7.74 | 8.25 | 7.57 | 8.06 | 8.06 | 3.20% | 39,846 |
| Jul 28, 2026 | 7.76 | 7.91 | 7.39 | 7.81 | 7.81 | 1.30% | 85,279 |
| Jul 27, 2026 | 8.06 | 8.33 | 7.65 | 7.71 | 7.71 | -2.41% | 62,723 |
| Jul 24, 2026 | 8.19 | 8.38 | 7.84 | 7.90 | 7.90 | -3.30% | 75,218 |
| Jul 23, 2026 | 7.92 | 8.36 | 7.81 | 8.17 | 8.17 | 0.55% | 46,521 |
| Jul 22, 2026 | 8.61 | 8.61 | 8.02 | 8.13 | 8.13 | -5.85% | 28,907 |
| Jul 21, 2026 | 8.37 | 8.68 | 8.07 | 8.63 | 8.63 | 4.10% | 48,417 |
| Jul 20, 2026 | 8.29 | 8.83 | 8.09 | 8.29 | 8.29 | -1.19% | 59,186 |
| Jul 17, 2026 | 8.24 | 8.82 | 8.10 | 8.39 | 8.39 | -3.78% | 81,330 |
| Jul 16, 2026 | 8.68 | 8.83 | 8.38 | 8.72 | 8.72 | 1.99% | 40,116 |
| Jul 15, 2026 | 8.04 | 8.59 | 8.04 | 8.55 | 8.55 | 6.34% | 73,445 |
| Jul 14, 2026 | 8.59 | 8.81 | 7.91 | 8.04 | 8.04 | -7.27% | 202,775 |
| Jul 13, 2026 | 9.61 | 9.61 | 8.56 | 8.67 | 8.67 | -11.17% | 136,328 |
| Jul 10, 2026 | 10.06 | 10.06 | 9.36 | 9.76 | 9.76 | -1.86% | 66,882 |
| Jul 9, 2026 | 9.59 | 10.16 | 9.48 | 9.95 | 9.95 | 3.06% | 49,368 |
| Jul 8, 2026 | 10.04 | 10.38 | 9.50 | 9.65 | 9.65 | -5.95% | 206,745 |
| Jul 7, 2026 | 10.96 | 10.99 | 10.26 | 10.26 | 10.26 | -5.70% | 49,325 |
| Jul 6, 2026 | 11.67 | 11.86 | 10.75 | 10.88 | 10.88 | -6.61% | 80,383 |
| Jul 2, 2026 | 11.50 | 12.00 | 11.41 | 11.65 | 11.65 | 2.46% | 33,264 |
| Jul 1, 2026 | 11.47 | 11.86 | 11.11 | 11.37 | 11.37 | -0.96% | 35,510 |
| Jun 30, 2026 | 11.11 | 11.63 | 11.01 | 11.48 | 11.48 | 2.78% | 106,868 |
| Jun 29, 2026 | 10.60 | 11.18 | 10.47 | 11.17 | 11.17 | 6.28% | 59,831 |
| Jun 26, 2026 | 10.20 | 10.71 | 10.15 | 10.51 | 10.51 | 2.84% | 45,295 |
| Jun 25, 2026 | 10.58 | 11.21 | 10.13 | 10.22 | 10.22 | -3.13% | 67,562 |
| Jun 24, 2026 | 11.12 | 11.12 | 10.46 | 10.55 | 10.55 | -5.47% | 49,755 |
| Jun 23, 2026 | 10.43 | 11.55 | 10.43 | 11.16 | 11.16 | 5.18% | 105,123 |
| Jun 22, 2026 | 9.93 | 10.71 | 9.66 | 10.61 | 10.61 | 5.36% | 95,158 |
| Jun 18, 2026 | 9.89 | 10.32 | 9.57 | 10.07 | 10.07 | 4.14% | 144,866 |
| Jun 17, 2026 | 9.73 | 10.10 | 9.41 | 9.67 | 9.67 | 0.52% | 122,163 |
| Jun 16, 2026 | 9.92 | 10.07 | 9.21 | 9.62 | 9.62 | -3.41% | 126,095 |
| Jun 15, 2026 | 10.50 | 10.92 | 9.85 | 9.96 | 9.96 | -4.32% | 80,671 |
| Jun 12, 2026 | 10.14 | 10.99 | 10.14 | 10.41 | 10.41 | -0.48% | 95,599 |
| Jun 11, 2026 | 9.89 | 10.49 | 9.89 | 10.46 | 10.46 | 6.09% | 43,153 |
| Jun 10, 2026 | 9.70 | 10.23 | 9.49 | 9.86 | 9.86 | 0.92% | 56,357 |
| Jun 9, 2026 | 9.58 | 10.15 | 9.42 | 9.77 | 9.77 | 1.98% | 65,956 |
| Jun 8, 2026 | 10.15 | 10.15 | 9.52 | 9.58 | 9.58 | -3.43% | 113,217 |
| Jun 5, 2026 | 10.18 | 10.18 | 9.83 | 9.92 | 9.92 | -3.41% | 69,039 |
| Jun 4, 2026 | 9.54 | 10.45 | 9.54 | 10.27 | 10.27 | 6.65% | 94,404 |
| Jun 3, 2026 | 10.03 | 10.23 | 9.35 | 9.63 | 9.63 | -2.73% | 104,241 |
| Jun 2, 2026 | 10.28 | 10.42 | 9.84 | 9.90 | 9.90 | -3.70% | 63,128 |
| Jun 1, 2026 | 10.48 | 10.65 | 10.00 | 10.28 | 10.28 | -2.19% | 90,111 |
| May 29, 2026 | 11.28 | 11.33 | 10.33 | 10.51 | 10.51 | -6.66% | 96,470 |
| May 28, 2026 | 10.54 | 11.35 | 10.18 | 11.26 | 11.26 | 6.83% | 147,738 |
| May 27, 2026 | 9.60 | 10.70 | 9.56 | 10.54 | 10.54 | 9.68% | 168,936 |
| May 26, 2026 | 9.64 | 10.08 | 9.15 | 9.61 | 9.61 | -1.94% | 182,561 |
| May 22, 2026 | 9.42 | 9.99 | 8.88 | 9.80 | 9.80 | 4.93% | 125,047 |