Atara Biotherapeutics, Inc. (ATRA)
NASDAQ: ATRA · Real-Time Price · USD
15.63
+1.65 (11.80%)
At close: Oct 7, 2025, 4:00 PM EDT
16.00
+0.37 (2.37%)
After-hours: Oct 7, 2025, 7:24 PM EDT
Atara Biotherapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 7, 2025 | 14.00 | 15.90 | 13.89 | 15.63 | 15.63 | 11.80% | 115,552 |
| Oct 6, 2025 | 14.41 | 14.41 | 13.92 | 13.98 | 13.98 | -2.98% | 44,198 |
| Oct 3, 2025 | 14.58 | 14.85 | 14.09 | 14.41 | 14.41 | -0.48% | 34,906 |
| Oct 2, 2025 | 14.59 | 14.64 | 14.02 | 14.48 | 14.48 | 0.21% | 35,298 |
| Oct 1, 2025 | 14.29 | 14.78 | 14.00 | 14.45 | 14.45 | 0.84% | 53,998 |
| Sep 30, 2025 | 13.81 | 14.57 | 13.12 | 14.33 | 14.33 | 3.77% | 89,560 |
| Sep 29, 2025 | 13.55 | 13.95 | 13.50 | 13.81 | 13.81 | 0.51% | 44,941 |
| Sep 26, 2025 | 13.85 | 14.03 | 12.95 | 13.74 | 13.74 | -0.65% | 36,834 |
| Sep 25, 2025 | 14.11 | 14.24 | 13.48 | 13.83 | 13.83 | -3.02% | 34,706 |
| Sep 24, 2025 | 13.00 | 14.91 | 12.82 | 14.26 | 14.26 | 9.95% | 198,399 |
| Sep 23, 2025 | 12.31 | 13.00 | 12.00 | 12.97 | 12.97 | 5.45% | 57,866 |
| Sep 22, 2025 | 12.00 | 12.30 | 11.67 | 12.30 | 12.30 | 2.07% | 54,082 |
| Sep 19, 2025 | 12.00 | 12.27 | 11.66 | 12.05 | 12.05 | -0.17% | 77,451 |
| Sep 18, 2025 | 11.82 | 12.07 | 11.33 | 12.07 | 12.07 | 4.14% | 35,281 |
| Sep 17, 2025 | 11.56 | 11.83 | 11.51 | 11.59 | 11.59 | 0.70% | 13,853 |
| Sep 16, 2025 | 11.95 | 12.00 | 11.51 | 11.51 | 11.51 | -3.60% | 19,562 |
| Sep 15, 2025 | 12.39 | 12.50 | 11.77 | 11.94 | 11.94 | -1.49% | 31,487 |
| Sep 12, 2025 | 12.13 | 12.25 | 11.80 | 12.12 | 12.12 | -0.33% | 37,459 |
| Sep 11, 2025 | 11.80 | 12.22 | 11.75 | 12.16 | 12.16 | 3.23% | 29,000 |
| Sep 10, 2025 | 11.94 | 12.09 | 11.70 | 11.78 | 11.78 | -1.38% | 11,997 |
| Sep 9, 2025 | 12.00 | 12.18 | 11.80 | 11.95 | 11.95 | -1.93% | 40,687 |
| Sep 8, 2025 | 12.75 | 12.75 | 11.80 | 12.18 | 12.18 | -5.65% | 103,934 |
| Sep 5, 2025 | 12.78 | 13.20 | 12.41 | 12.91 | 12.91 | 0.86% | 65,655 |
| Sep 4, 2025 | 12.64 | 12.80 | 12.38 | 12.80 | 12.80 | 1.35% | 21,635 |
| Sep 3, 2025 | 12.42 | 12.75 | 12.23 | 12.63 | 12.63 | 2.35% | 53,842 |
| Sep 2, 2025 | 11.97 | 12.60 | 11.81 | 12.34 | 12.34 | 2.41% | 68,506 |
| Aug 29, 2025 | 12.44 | 12.44 | 11.70 | 12.05 | 12.05 | -2.51% | 36,668 |
| Aug 28, 2025 | 12.40 | 12.76 | 12.16 | 12.36 | 12.36 | 0.08% | 50,886 |
| Aug 27, 2025 | 12.59 | 12.75 | 11.86 | 12.35 | 12.35 | -2.29% | 34,139 |
| Aug 26, 2025 | 12.50 | 13.08 | 12.19 | 12.64 | 12.64 | 3.27% | 80,305 |
| Aug 25, 2025 | 12.37 | 12.56 | 12.02 | 12.24 | 12.24 | -0.81% | 57,564 |
| Aug 22, 2025 | 11.72 | 12.40 | 11.62 | 12.34 | 12.34 | 7.40% | 90,727 |
| Aug 21, 2025 | 11.63 | 11.92 | 11.28 | 11.49 | 11.49 | -2.30% | 31,143 |
| Aug 20, 2025 | 11.87 | 12.09 | 11.27 | 11.76 | 11.76 | 2.44% | 64,570 |
| Aug 19, 2025 | 11.53 | 12.06 | 11.24 | 11.48 | 11.48 | - | 35,240 |
| Aug 18, 2025 | 12.21 | 12.50 | 11.20 | 11.48 | 11.48 | -6.59% | 78,074 |
| Aug 15, 2025 | 11.72 | 12.49 | 11.52 | 12.29 | 12.29 | 4.86% | 149,567 |
| Aug 14, 2025 | 12.00 | 12.11 | 11.54 | 11.72 | 11.72 | -3.38% | 41,382 |
| Aug 13, 2025 | 11.67 | 12.25 | 11.62 | 12.13 | 12.13 | 5.11% | 58,084 |
| Aug 12, 2025 | 11.01 | 12.31 | 10.87 | 11.54 | 11.54 | 11.82% | 57,549 |
| Aug 11, 2025 | 10.86 | 11.45 | 10.32 | 10.32 | 10.32 | -5.80% | 41,861 |
| Aug 8, 2025 | 11.03 | 11.66 | 10.39 | 10.96 | 10.96 | -0.05% | 25,046 |
| Aug 7, 2025 | 11.39 | 11.79 | 10.53 | 10.96 | 10.96 | -3.73% | 23,422 |
| Aug 6, 2025 | 11.31 | 11.75 | 10.86 | 11.39 | 11.39 | 1.47% | 24,655 |
| Aug 5, 2025 | 11.75 | 11.84 | 11.15 | 11.22 | 11.22 | -0.88% | 19,897 |
| Aug 4, 2025 | 11.43 | 11.60 | 11.20 | 11.32 | 11.32 | -1.99% | 14,048 |
| Aug 1, 2025 | 11.40 | 11.73 | 10.92 | 11.55 | 11.55 | 0.26% | 39,781 |
| Jul 31, 2025 | 12.11 | 12.32 | 11.50 | 11.52 | 11.52 | -4.87% | 41,118 |
| Jul 30, 2025 | 11.91 | 12.85 | 11.81 | 12.11 | 12.11 | 3.24% | 90,409 |
| Jul 29, 2025 | 11.75 | 12.00 | 11.36 | 11.73 | 11.73 | -0.68% | 47,684 |