Atara Biotherapeutics, Inc. (ATRA)
NASDAQ: ATRA · Real-Time Price · USD
5.18
+0.19 (3.81%)
At close: Apr 22, 2026, 4:00 PM EDT
5.08
-0.10 (-1.93%)
After-hours: Apr 22, 2026, 6:16 PM EDT
Atara Biotherapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 22, 2026 | 4.99 | 5.30 | 4.99 | 5.18 | 5.18 | 3.81% | 61,356 |
| Apr 21, 2026 | 5.00 | 5.26 | 4.91 | 4.99 | 4.99 | - | 34,337 |
| Apr 20, 2026 | 5.25 | 5.27 | 4.92 | 4.99 | 4.99 | -5.31% | 82,046 |
| Apr 17, 2026 | 5.27 | 5.55 | 5.26 | 5.27 | 5.27 | 0.57% | 76,203 |
| Apr 16, 2026 | 5.22 | 5.43 | 5.18 | 5.24 | 5.24 | - | 34,824 |
| Apr 15, 2026 | 5.14 | 5.38 | 5.11 | 5.24 | 5.24 | 1.75% | 52,512 |
| Apr 14, 2026 | 4.89 | 5.32 | 4.77 | 5.15 | 5.15 | 5.32% | 87,514 |
| Apr 13, 2026 | 4.65 | 5.12 | 4.56 | 4.89 | 4.89 | 5.16% | 91,338 |
| Apr 10, 2026 | 4.84 | 5.00 | 4.52 | 4.65 | 4.65 | -3.73% | 87,055 |
| Apr 9, 2026 | 5.03 | 5.04 | 4.44 | 4.83 | 4.83 | -3.59% | 131,256 |
| Apr 8, 2026 | 4.91 | 5.20 | 4.73 | 5.01 | 5.01 | 6.37% | 121,559 |
| Apr 7, 2026 | 4.86 | 4.97 | 4.60 | 4.71 | 4.71 | -3.29% | 30,982 |
| Apr 6, 2026 | 5.01 | 5.22 | 4.80 | 4.87 | 4.87 | -2.40% | 53,295 |
| Apr 2, 2026 | 5.00 | 5.26 | 4.87 | 4.99 | 4.99 | -3.48% | 46,934 |
| Apr 1, 2026 | 4.86 | 5.25 | 4.78 | 5.17 | 5.17 | 9.30% | 79,759 |
| Mar 31, 2026 | 4.40 | 4.86 | 4.40 | 4.73 | 4.73 | 9.49% | 60,598 |
| Mar 30, 2026 | 4.59 | 4.69 | 4.30 | 4.32 | 4.32 | -5.88% | 77,048 |
| Mar 27, 2026 | 4.71 | 4.99 | 4.59 | 4.59 | 4.59 | -2.55% | 51,348 |
| Mar 26, 2026 | 4.88 | 5.07 | 4.70 | 4.71 | 4.71 | -5.04% | 66,231 |
| Mar 25, 2026 | 5.07 | 5.35 | 4.95 | 4.96 | 4.96 | -0.60% | 64,520 |
| Mar 24, 2026 | 4.83 | 5.25 | 4.70 | 4.99 | 4.99 | 2.99% | 99,335 |
| Mar 23, 2026 | 5.00 | 5.03 | 4.76 | 4.85 | 4.85 | -1.32% | 56,655 |
| Mar 20, 2026 | 5.10 | 5.26 | 4.82 | 4.91 | 4.91 | -4.10% | 62,697 |
| Mar 19, 2026 | 4.91 | 5.24 | 4.85 | 5.12 | 5.12 | 2.40% | 83,394 |
| Mar 18, 2026 | 5.06 | 5.21 | 4.82 | 5.00 | 5.00 | -4.40% | 135,248 |
| Mar 17, 2026 | 5.74 | 5.74 | 5.06 | 5.23 | 5.23 | -10.90% | 317,935 |
| Mar 16, 2026 | 6.41 | 6.45 | 5.80 | 5.87 | 5.87 | -9.69% | 225,463 |
| Mar 13, 2026 | 6.80 | 7.00 | 6.21 | 6.50 | 6.50 | -5.80% | 170,796 |
| Mar 12, 2026 | 6.46 | 7.07 | 6.05 | 6.90 | 6.90 | 10.75% | 503,938 |
| Mar 11, 2026 | 6.18 | 6.50 | 5.60 | 6.23 | 6.23 | -0.95% | 378,926 |
| Mar 10, 2026 | 6.45 | 7.05 | 6.05 | 6.29 | 6.29 | -5.84% | 634,802 |
| Mar 9, 2026 | 5.71 | 7.30 | 5.50 | 6.68 | 6.68 | 29.21% | 3,194,849 |
| Mar 6, 2026 | 4.85 | 5.37 | 4.70 | 5.17 | 5.17 | 3.40% | 404,703 |
| Mar 5, 2026 | 5.33 | 5.33 | 4.94 | 5.00 | 5.00 | -7.24% | 75,819 |
| Mar 4, 2026 | 5.39 | 5.50 | 5.13 | 5.39 | 5.39 | -0.55% | 67,966 |
| Mar 3, 2026 | 4.88 | 5.65 | 4.82 | 5.42 | 5.42 | 10.39% | 387,133 |
| Mar 2, 2026 | 5.21 | 5.23 | 4.91 | 4.91 | 4.91 | -9.41% | 129,688 |
| Feb 27, 2026 | 5.12 | 5.49 | 4.80 | 5.42 | 5.42 | 3.04% | 130,648 |
| Feb 26, 2026 | 5.01 | 5.89 | 4.68 | 5.26 | 5.26 | 3.95% | 510,847 |
| Feb 25, 2026 | 4.19 | 5.56 | 4.17 | 5.06 | 5.06 | 20.19% | 569,405 |
| Feb 24, 2026 | 4.15 | 4.33 | 4.03 | 4.21 | 4.21 | 0.24% | 40,958 |
| Feb 23, 2026 | 4.12 | 4.20 | 3.92 | 4.20 | 4.20 | 0.48% | 144,107 |
| Feb 20, 2026 | 4.26 | 4.30 | 4.13 | 4.18 | 4.18 | -1.42% | 55,162 |
| Feb 19, 2026 | 4.37 | 4.37 | 4.13 | 4.24 | 4.24 | -4.29% | 87,700 |
| Feb 18, 2026 | 4.47 | 4.64 | 4.34 | 4.43 | 4.43 | -1.34% | 103,737 |
| Feb 17, 2026 | 4.46 | 4.60 | 4.38 | 4.49 | 4.49 | 0.90% | 54,001 |
| Feb 13, 2026 | 4.45 | 4.68 | 4.45 | 4.45 | 4.45 | - | 29,828 |
| Feb 12, 2026 | 4.60 | 4.70 | 4.37 | 4.45 | 4.45 | -3.05% | 103,653 |
| Feb 11, 2026 | 4.84 | 4.86 | 4.51 | 4.59 | 4.59 | -4.97% | 124,082 |
| Feb 10, 2026 | 4.96 | 5.11 | 4.80 | 4.83 | 4.83 | -3.01% | 50,134 |