Atara Biotherapeutics, Inc. (ATRA)
NASDAQ: ATRA · Real-Time Price · USD
5.42
+0.16 (3.04%)
At close: Feb 27, 2026, 4:00 PM EST
5.52
+0.10 (1.85%)
After-hours: Feb 27, 2026, 4:59 PM EST
Atara Biotherapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| 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 |
| Dec 29, 2025 | 17.15 | 17.99 | 16.80 | 17.99 | 17.99 | 4.17% | 72,603 |
| Dec 26, 2025 | 17.61 | 18.30 | 16.59 | 17.27 | 17.27 | -1.82% | 71,067 |
| Dec 24, 2025 | 17.70 | 18.04 | 16.91 | 17.59 | 17.59 | 0.51% | 67,531 |
| Dec 23, 2025 | 17.97 | 18.75 | 17.36 | 17.50 | 17.50 | -2.02% | 66,809 |
| Dec 22, 2025 | 16.90 | 18.95 | 16.90 | 17.86 | 17.86 | 4.02% | 105,640 |
| Dec 19, 2025 | 17.70 | 18.09 | 16.51 | 17.17 | 17.17 | -0.35% | 79,656 |
| Dec 18, 2025 | 17.22 | 17.80 | 17.12 | 17.23 | 17.23 | 0.29% | 36,354 |
| Dec 17, 2025 | 17.70 | 18.15 | 16.70 | 17.18 | 17.18 | -2.28% | 59,423 |
| Dec 16, 2025 | 17.79 | 18.00 | 17.12 | 17.58 | 17.58 | -2.06% | 62,156 |
| Dec 15, 2025 | 18.00 | 18.25 | 17.66 | 17.95 | 17.95 | -0.25% | 69,301 |
| Dec 12, 2025 | 17.82 | 18.17 | 16.65 | 18.00 | 18.00 | 0.98% | 103,345 |
| Dec 11, 2025 | 16.50 | 18.37 | 16.40 | 17.82 | 17.82 | 5.88% | 102,105 |
| Dec 10, 2025 | 15.65 | 17.25 | 15.36 | 16.83 | 16.83 | 7.27% | 132,716 |
| Dec 9, 2025 | 14.97 | 15.95 | 14.37 | 15.69 | 15.69 | 4.05% | 62,316 |
| Dec 8, 2025 | 14.52 | 15.09 | 14.43 | 15.08 | 15.08 | 5.23% | 52,281 |
| Dec 5, 2025 | 14.26 | 14.75 | 14.08 | 14.33 | 14.33 | 0.92% | 69,064 |
| Dec 4, 2025 | 12.55 | 14.25 | 12.55 | 14.20 | 14.20 | 13.15% | 127,385 |
| Dec 3, 2025 | 12.35 | 12.86 | 12.05 | 12.55 | 12.55 | 2.70% | 63,022 |
| Dec 2, 2025 | 13.61 | 13.68 | 12.22 | 12.22 | 12.22 | -9.75% | 53,319 |
| Dec 1, 2025 | 14.77 | 14.96 | 13.54 | 13.54 | 13.54 | -10.33% | 87,225 |
| Nov 28, 2025 | 15.01 | 15.28 | 14.53 | 15.10 | 15.10 | 1.62% | 17,984 |
| Nov 26, 2025 | 14.61 | 15.28 | 14.61 | 14.86 | 14.86 | 1.99% | 63,009 |
| Nov 25, 2025 | 14.20 | 14.71 | 14.01 | 14.57 | 14.57 | 3.85% | 58,207 |
| Nov 24, 2025 | 13.69 | 14.35 | 13.43 | 14.03 | 14.03 | 2.56% | 73,969 |
| Nov 21, 2025 | 13.34 | 14.19 | 13.26 | 13.68 | 13.68 | 3.48% | 47,554 |
| Nov 20, 2025 | 13.94 | 15.12 | 12.93 | 13.22 | 13.22 | -3.78% | 91,067 |
| Nov 19, 2025 | 13.44 | 13.96 | 13.35 | 13.74 | 13.74 | 2.08% | 39,547 |
| Nov 18, 2025 | 13.08 | 13.75 | 12.76 | 13.46 | 13.46 | 2.75% | 45,484 |
| Nov 17, 2025 | 13.65 | 13.73 | 12.78 | 13.10 | 13.10 | -4.80% | 99,276 |
| Nov 14, 2025 | 13.19 | 14.28 | 13.13 | 13.76 | 13.76 | 2.76% | 43,930 |
| Nov 13, 2025 | 12.45 | 13.50 | 12.41 | 13.39 | 13.39 | 7.38% | 51,939 |
| Nov 12, 2025 | 12.36 | 12.50 | 11.21 | 12.47 | 12.47 | -0.72% | 80,986 |
| Nov 11, 2025 | 12.24 | 12.89 | 12.05 | 12.56 | 12.56 | 2.11% | 61,159 |
| Nov 10, 2025 | 11.97 | 12.75 | 11.76 | 12.30 | 12.30 | 4.15% | 27,349 |
| Nov 7, 2025 | 10.86 | 12.04 | 10.53 | 11.81 | 11.81 | -0.08% | 64,310 |
| Nov 6, 2025 | 10.76 | 12.47 | 10.56 | 11.82 | 11.82 | 9.95% | 113,243 |
| Nov 5, 2025 | 12.40 | 12.61 | 10.50 | 10.75 | 10.75 | -12.53% | 158,739 |
| Nov 4, 2025 | 13.62 | 13.71 | 12.13 | 12.29 | 12.29 | -11.26% | 103,923 |
| Nov 3, 2025 | 14.90 | 15.30 | 13.70 | 13.85 | 13.85 | -6.73% | 49,868 |
| Oct 31, 2025 | 13.99 | 14.89 | 13.99 | 14.85 | 14.85 | 5.73% | 51,465 |
| Oct 30, 2025 | 14.06 | 14.50 | 13.30 | 14.05 | 14.05 | -0.11% | 45,796 |
| Oct 29, 2025 | 15.43 | 15.43 | 13.87 | 14.06 | 14.06 | -7.56% | 37,661 |
| Oct 28, 2025 | 15.58 | 15.74 | 15.05 | 15.21 | 15.21 | -2.44% | 21,762 |
| Oct 27, 2025 | 14.75 | 15.59 | 14.63 | 15.59 | 15.59 | 7.59% | 51,196 |
| Oct 24, 2025 | 14.38 | 14.70 | 14.04 | 14.49 | 14.49 | 2.62% | 39,363 |
| Oct 23, 2025 | 14.66 | 15.39 | 14.05 | 14.12 | 14.12 | -3.49% | 44,151 |
| Oct 22, 2025 | 15.71 | 15.84 | 14.61 | 14.63 | 14.63 | -7.35% | 45,056 |
| Oct 21, 2025 | 16.04 | 16.15 | 15.02 | 15.79 | 15.79 | -1.56% | 55,596 |
| Oct 20, 2025 | 15.08 | 16.09 | 14.95 | 16.04 | 16.04 | 8.31% | 76,768 |
| Oct 17, 2025 | 15.09 | 15.42 | 14.58 | 14.81 | 14.81 | -2.85% | 33,574 |
| Oct 16, 2025 | 15.42 | 16.28 | 14.92 | 15.25 | 15.25 | -0.23% | 47,104 |
| Oct 15, 2025 | 15.09 | 15.45 | 14.61 | 15.28 | 15.28 | 4.59% | 34,238 |
| Oct 14, 2025 | 14.85 | 14.85 | 14.00 | 14.61 | 14.61 | -2.86% | 51,015 |
| Oct 13, 2025 | 14.62 | 15.35 | 14.30 | 15.04 | 15.04 | 4.99% | 66,435 |
| Oct 10, 2025 | 16.28 | 16.28 | 14.03 | 14.33 | 14.33 | -10.91% | 91,565 |
| Oct 9, 2025 | 16.00 | 16.72 | 15.85 | 16.08 | 16.08 | 1.45% | 80,341 |
| Oct 8, 2025 | 15.76 | 15.97 | 14.85 | 15.85 | 15.85 | 1.41% | 69,652 |
| 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 |