Atara Biotherapeutics, Inc. (ATRA)
NASDAQ: ATRA · Real-Time Price · USD
6.85
+0.62 (9.95%)
Mar 12, 2026, 3:11 PM EDT - Market open
Atara Biotherapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 12, 2026 | 6.46 | 6.50 | 6.05 | 6.40 | - | 2.73% | 167,008 |
| 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 |
| Feb 9, 2026 | 4.86 | 5.06 | 4.70 | 4.98 | 4.98 | 2.05% | 51,430 |
| Feb 6, 2026 | 4.58 | 4.92 | 4.58 | 4.88 | 4.88 | 8.20% | 99,983 |
| Feb 5, 2026 | 4.62 | 4.97 | 4.50 | 4.51 | 4.51 | -7.20% | 132,815 |
| Feb 4, 2026 | 5.07 | 5.18 | 4.76 | 4.86 | 4.86 | -3.57% | 101,783 |
| Feb 3, 2026 | 5.03 | 5.25 | 5.00 | 5.04 | 5.04 | - | 89,077 |
| Feb 2, 2026 | 5.11 | 5.27 | 5.00 | 5.04 | 5.04 | -3.08% | 93,592 |
| Jan 30, 2026 | 5.45 | 5.59 | 4.91 | 5.20 | 5.20 | -5.63% | 201,751 |
| Jan 29, 2026 | 5.53 | 5.69 | 5.40 | 5.51 | 5.51 | 0.18% | 175,082 |
| Jan 28, 2026 | 5.60 | 5.71 | 5.35 | 5.50 | 5.50 | -1.08% | 192,440 |
| Jan 27, 2026 | 5.20 | 5.68 | 5.20 | 5.56 | 5.56 | 5.10% | 292,587 |
| Jan 26, 2026 | 5.22 | 5.42 | 5.07 | 5.29 | 5.29 | 1.34% | 216,776 |
| Jan 23, 2026 | 4.98 | 5.35 | 4.90 | 5.22 | 5.22 | 4.40% | 362,966 |
| Jan 22, 2026 | 4.58 | 5.15 | 4.46 | 5.00 | 5.00 | 8.70% | 569,502 |
| Jan 21, 2026 | 4.34 | 4.69 | 4.20 | 4.60 | 4.60 | 6.48% | 418,348 |
| Jan 20, 2026 | 4.50 | 4.79 | 4.25 | 4.32 | 4.32 | -4.85% | 597,183 |
| Jan 16, 2026 | 4.72 | 5.00 | 4.52 | 4.54 | 4.54 | -1.73% | 506,283 |
| Jan 15, 2026 | 4.52 | 5.19 | 4.40 | 4.62 | 4.62 | 3.36% | 1,095,210 |
| Jan 14, 2026 | 4.50 | 4.82 | 4.36 | 4.47 | 4.47 | 2.29% | 865,301 |
| Jan 13, 2026 | 5.95 | 5.96 | 4.25 | 4.37 | 4.37 | -25.68% | 2,484,080 |
| Jan 12, 2026 | 5.62 | 6.51 | 5.58 | 5.88 | 5.88 | -56.99% | 4,586,043 |
| Jan 9, 2026 | 17.68 | 17.98 | 13.08 | 13.67 | 13.67 | -21.62% | 830,707 |
| Jan 8, 2026 | 15.10 | 17.97 | 14.90 | 17.44 | 17.44 | 16.73% | 415,224 |
| Jan 7, 2026 | 15.16 | 15.53 | 14.72 | 14.94 | 14.94 | 2.54% | 256,031 |
| Jan 6, 2026 | 16.97 | 17.65 | 14.27 | 14.57 | 14.57 | -13.58% | 226,659 |
| Jan 5, 2026 | 18.47 | 19.15 | 16.61 | 16.86 | 16.86 | -5.12% | 216,180 |
| Jan 2, 2026 | 18.35 | 19.08 | 17.64 | 17.77 | 17.77 | -1.77% | 110,726 |
| Dec 31, 2025 | 17.95 | 18.34 | 17.94 | 18.09 | 18.09 | 1.17% | 65,810 |
| Dec 30, 2025 | 17.92 | 18.25 | 17.54 | 17.88 | 17.88 | -0.61% | 47,888 |