$ATRA: Atara Biotherapeutics, Inc. - Common Stock
2025-11-28 ATRA 2025-11-28 00:01:35 0.00 0.00 1.99% ATRA 2025-11-28 06:01:33 18.00 13.27 1.99% ATRA 2025-11-28 08:01:22 17.36 13.27 1.99% ATRA 2025-11-28 09:01:13 15.45 14.78 1.99% ATRA 2025-11-28 11:01:15 15.23 14.87 1.24% ATRA 2025-11-28 12:01:21 14.74 14.53 -0.75% ATRA 2025-11-28 13:01:18 14.80 14.53 -0.89% ATRA 2025-11-28 14:01:29 15.45 0.00 1.72% ATRA 2025-11-28 15:01:21 15.45 0.00 1.68% ATRA 2025-11-28 18:01:21 0.00 0.00 1.68% 2025-11-30 ATRA 2025-11-30 09:51:44 Atara Biotherapeutics: An Empty Pipeline With Little Gas 2025-12-01 ATRA 2025-12-01 06:01:25 18.45 13.27 1.68% ATRA 2025-12-01 08:01:23 17.36 12.99 1.68% ATRA 2025-12-01 09:01:17 16.82 12.99 0.00% ATRA 2025-12-01 11:01:15 14.65 14.41 -4.44% ATRA 2025-12-01 12:01:24 14.45 14.31 -4.44% ATRA 2025-12-01 13:01:21 13.90 13.77 -8.34% ATRA 2025-12-01 14:01:37 14.12 13.78 -7.27% ATRA 2025-12-01 15:01:21 14.05 13.88 -7.27% ATRA 2025-12-01 16:01:34 14.06 13.73 -8.34% ATRA 2025-12-01 17:01:25 0.00 0.00 -10.43% ATRA 2025-12-01 18:01:34 16.18 12.63 -10.26% ATRA 2025-12-01 19:01:23 16.66 12.63 -10.26% ATRA 2025-12-01 21:01:55 0.00 0.00 -10.26% 2025-12-02 ATRA 2025-12-02 06:01:37 18.45 11.44 -10.26% ATRA 2025-12-02 07:01:42 18.00 11.44 -10.26% ATRA 2025-12-02 08:01:32 17.30 11.44 -10.26% ATRA 2025-12-02 09:01:20 14.25 11.44 -10.26% ATRA 2025-12-02 11:01:19 13.67 13.36 0.66% ATRA 2025-12-02 13:01:25 13.51 13.19 -1.13% ATRA 2025-12-02 14:01:14 13.27 13.04 -2.98% ATRA 2025-12-02 15:01:28 13.09 12.95 -4.11% ATRA 2025-12-02 16:01:21 12.89 12.68 -5.30% ATRA 2025-12-02 17:01:29 13.80 0.00 -8.68% ATRA 2025-12-02 18:01:16 13.50 11.12 -7.90% ATRA 2025-12-02 21:02:48 0.00 0.00 -7.90% 2025-12-03 ATRA 2025-12-03 06:01:18 18.45 10.75 -7.90% ATRA 2025-12-03 08:01:25 17.36 11.21 -7.90% ATRA 2025-12-03 09:01:27 13.76 11.21 -7.90% ATRA 2025-12-03 11:01:27 12.84 12.50 2.36% ATRA 2025-12-03 12:01:11 12.69 12.35 1.26% ATRA 2025-12-03 13:01:21 12.65 12.21 0.00% ATRA 2025-12-03 14:01:19 12.54 12.30 0.74% ATRA 2025-12-03 15:01:36 12.54 12.37 1.33% ATRA 2025-12-03 16:01:22 12.49 12.44 1.92% ATRA 2025-12-03 17:01:44 12.79 12.38 2.51% ATRA 2025-12-03 18:01:36 12.79 12.65 2.78% ATRA 2025-12-03 19:01:28 12.79 12.45 2.78% ATRA 2025-12-03 21:03:09 0.00 0.00 2.78% 2025-12-04 ATRA 2025-12-04 06:01:27 13.88 10.75 -2.95% ATRA 2025-12-04 07:01:36 13.88 12.20 -2.78% ATRA 2025-12-04 09:01:44 13.78 12.00 -2.78% ATRA 2025-12-04 11:06:15 13.77 13.24 9.82% ATRA 2025-12-04 12:01:14 13.90 13.72 9.66% ATRA 2025-12-04 13:04:47 14.05 13.95 12.27% ATRA 2025-12-04 14:01:23 14.00 13.84 12.27% ATRA 2025-12-04 15:01:36 14.16 13.88 13.01% ATRA 2025-12-04 16:01:58 14.26 14.20 13.91% ATRA 2025-12-04 17:01:25 15.04 14.00 13.58% ATRA 2025-12-04 18:01:18 15.04 14.25 14.10% ATRA 2025-12-04 21:03:07 0.00 0.00 14.10% 2025-12-05 ATRA 2025-12-05 06:01:23 15.73 10.75 14.10% ATRA 2025-12-05 08:01:20 15.73 12.64 14.10% ATRA 2025-12-05 10:01:21 15.71 10.75 14.10% ATRA 2025-12-05 11:01:37 14.40 14.10 1.59% ATRA 2025-12-05 12:01:14 14.65 14.30 0.80% ATRA 2025-12-05 13:01:27 14.65 14.12 1.27% ATRA 2025-12-05 14:01:15 14.56 14.40 1.91% ATRA 2025-12-05 15:01:25 14.78 14.60 3.75% ATRA 2025-12-05 16:01:37 14.80 14.51 3.11% ATRA 2025-12-05 17:01:31 15.00 13.50 1.12% ATRA 2025-12-05 18:01:12 15.00 13.50 2.96% ATRA 2025-12-05 21:02:23 0.00 0.00 2.96% 2025-12-08 ATRA 2025-12-08 06:01:22 16.60 12.55 2.96% ATRA 2025-12-08 09:01:37 14.70 14.00 2.96% ATRA 2025-12-08 10:01:32 16.44 14.00 2.68% ATRA 2025-12-08 11:01:09 14.87 14.62 2.39% ATRA 2025-12-08 12:01:28 14.66 14.50 1.97% ATRA 2025-12-08 13:01:40 14.63 14.42 1.48% ATRA 2025-12-08 14:01:46 14.68 14.33 1.76% ATRA 2025-12-08 15:01:48 14.85 14.58 3.59% ATRA 2025-12-08 16:01:35 15.12 14.85 4.72% ATRA 2025-12-08 17:01:36 15.28 14.20 5.28% ATRA 2025-12-08 18:01:52 15.28 14.20 5.23% ATRA 2025-12-08 21:02:27 0.00 0.00 5.23% 2025-12-09 ATRA 2025-12-09 06:01:39 16.60 12.35 5.23% ATRA 2025-12-09 09:01:24 16.58 12.35 5.23% ATRA 2025-12-09 10:02:24 15.25 10.80 -3.49% ATRA 2025-12-09 11:01:27 15.00 14.70 -0.70% ATRA 2025-12-09 12:01:39 15.34 15.16 1.67% ATRA 2025-12-09 13:01:34 15.94 15.60 5.02% ATRA 2025-12-09 14:02:15 15.80 15.60 3.77% ATRA 2025-12-09 15:02:11 15.66 15.30 2.37% ATRA 2025-12-09 16:01:39 15.61 15.44 2.72% ATRA 2025-12-09 17:02:25 15.89 0.00 4.26% ATRA 2025-12-09 18:01:34 15.89 10.75 4.05% ATRA 2025-12-09 19:02:16 15.89 10.80 4.05% ATRA 2025-12-09 21:01:53 0.00 0.00 4.05% 2025-12-10 ATRA 2025-12-10 06:01:51 18.18 10.75 4.05% ATRA 2025-12-10 08:01:35 17.02 10.75 4.05% ATRA 2025-12-10 10:01:34 15.92 10.75 4.05% ATRA 2025-12-10 11:01:16 16.15 15.98 3.05% ATRA 2025-12-10 12:01:21 16.60 16.44 5.37% ATRA 2025-12-10 13:01:28 16.90 16.48 7.43% ATRA 2025-12-10 14:01:50 16.95 16.37 6.96% ATRA 2025-12-10 15:01:15 17.05 16.95 8.36% ATRA 2025-12-10 16:01:40 16.90 16.64 7.76% ATRA 2025-12-10 17:01:14 17.00 12.87 7.63% ATRA 2025-12-10 18:01:55 17.65 15.40 8.41% ATRA 2025-12-10 19:01:21 17.65 12.87 8.41% ATRA 2025-12-10 20:01:41 17.65 15.09 8.41% ATRA 2025-12-10 21:01:28 0.00 0.00 8.41% ATRA 2025-12-10 22:02:42 17.65 15.09 8.41% 2025-12-11 ATRA 2025-12-11 06:01:33 21.69 11.77 8.41% ATRA 2025-12-11 08:01:31 19.15 11.77 8.41% ATRA 2025-12-11 09:01:14 19.15 15.40 8.41% ATRA 2025-12-11 10:01:45 18.71 14.02 8.41% ATRA 2025-12-11 11:01:46 17.24 16.89 2.42% ATRA 2025-12-11 12:01:41 17.80 17.39 5.80% ATRA 2025-12-11 13:01:30 17.86 17.48 5.48% ATRA 2025-12-11 14:01:33 18.18 17.82 7.52% ATRA 2025-12-11 15:01:29 18.09 17.82 7.52% ATRA 2025-12-11 16:01:36 18.05 17.82 7.84% ATRA 2025-12-11 17:01:20 18.36 16.60 6.37% ATRA 2025-12-11 18:02:36 18.02 17.25 5.94% ATRA 2025-12-11 20:01:24 18.02 17.25 5.53% ATRA 2025-12-11 21:01:36 0.00 0.00 5.53% 2025-12-12 ATRA 2025-12-12 06:01:37 20.50 10.75 5.53% ATRA 2025-12-12 08:01:27 19.91 16.46 5.53% ATRA 2025-12-12 10:02:16 19.91 14.02 5.53% ATRA 2025-12-12 11:01:11 17.97 17.39 0.24% ATRA 2025-12-12 12:01:23 17.70 17.35 -2.20% ATRA 2025-12-12 13:01:11 17.48 16.66 -2.44% ATRA 2025-12-12 14:01:30 18.10 17.51 1.07% ATRA 2025-12-12 15:01:18 18.16 17.67 1.84% ATRA 2025-12-12 16:01:46 18.16 17.73 1.31% ATRA 2025-12-12 17:01:12 18.32 17.55 1.07% ATRA 2025-12-12 18:01:29 18.32 17.55 1.01% ATRA 2025-12-12 21:01:21 0.00 0.00 1.01% 2025-12-15 ATRA 2025-12-15 06:01:28 18.70 15.09 1.01% ATRA 2025-12-15 08:01:29 18.70 16.01 1.01% ATRA 2025-12-15 09:01:21 18.49 16.01 1.01% ATRA 2025-12-15 10:01:32 18.70 16.01 0.06% ATRA 2025-12-15 11:01:17 18.15 17.66 -0.34% ATRA 2025-12-15 12:01:24 18.18 18.02 0.56% ATRA 2025-12-15 13:01:11 18.06 17.89 0.51% ATRA 2025-12-15 14:01:32 18.21 17.93 0.00% ATRA 2025-12-15 15:01:25 17.99 17.92 0.00% ATRA 2025-12-15 16:01:41 18.07 17.80 0.00% ATRA 2025-12-15 17:01:22 0.00 17.50 -0.22% ATRA 2025-12-15 18:01:29 19.75 17.50 -0.22% ATRA 2025-12-15 21:01:35 0.00 0.00 -0.22% 2025-12-16 ATRA 2025-12-16 06:01:30 20.00 10.75 -0.22% ATRA 2025-12-16 07:01:20 19.72 16.73 -0.22% ATRA 2025-12-16 11:01:18 18.02 17.73 -0.39% ATRA 2025-12-16 12:01:22 17.59 17.12 -3.22% ATRA 2025-12-16 13:01:13 17.65 17.36 -2.00% ATRA 2025-12-16 14:01:24 17.48 17.30 -3.39% ATRA 2025-12-16 15:01:16 17.72 17.45 -2.44% ATRA 2025-12-16 16:01:25 17.75 17.55 -1.56% ATRA 2025-12-16 17:01:16 18.36 17.01 -2.00% ATRA 2025-12-16 18:01:24 18.36 17.50 -1.62% ATRA 2025-12-16 21:01:25 0.00 0.00 -1.62% 2025-12-17 ATRA 2025-12-17 05:01:23 0.00 17.00 -1.62% ATRA 2025-12-17 06:01:38 20.00 17.00 -1.62% ATRA 2025-12-17 08:01:35 20.00 17.57 -1.62% ATRA 2025-12-17 10:01:25 19.72 17.07 -1.62% ATRA 2025-12-17 11:01:36 18.02 17.77 2.51% ATRA 2025-12-17 12:01:31 17.85 17.57 1.00% ATRA 2025-12-17 13:01:14 17.84 17.60 0.84% ATRA 2025-12-17 14:01:32 17.81 17.60 0.89% ATRA 2025-12-17 15:01:19 17.12 17.00 -3.18% ATRA 2025-12-17 16:01:40 16.98 16.70 -3.45% ATRA 2025-12-17 17:01:39 18.32 16.71 -2.17% ATRA 2025-12-17 18:01:31 18.15 16.71 -2.22% ATRA 2025-12-17 19:01:33 18.00 16.71 -2.22% ATRA 2025-12-17 21:01:53 0.00 0.00 -2.22% 2025-12-18 ATRA 2025-12-18 05:01:19 20.00 0.00 -2.22% ATRA 2025-12-18 06:01:30 19.91 10.75 -2.22% ATRA 2025-12-18 08:01:32 19.91 11.16 -2.22% ATRA 2025-12-18 10:01:26 18.50 11.16 -2.22% ATRA 2025-12-18 11:01:20 17.84 17.23 2.05% ATRA 2025-12-18 12:01:24 17.55 17.14 1.93% ATRA 2025-12-18 13:01:12 17.79 17.23 2.96% ATRA 2025-12-18 14:01:27 17.43 17.07 0.23% ATRA 2025-12-18 15:01:23 17.38 16.82 -0.28% ATRA 2025-12-18 16:01:35 17.27 16.96 0.46% ATRA 2025-12-18 17:01:18 18.00 16.71 0.34% ATRA 2025-12-18 18:01:30 17.97 17.00 0.35% ATRA 2025-12-18 21:01:35 0.00 0.00 0.35% 2025-12-19 ATRA 2025-12-19 06:01:25 19.73 10.75 0.35% ATRA 2025-12-19 08:01:20 19.73 12.44 0.35% ATRA 2025-12-19 10:01:24 17.90 12.44 0.35% ATRA 2025-12-19 11:02:18 18.25 17.98 5.12% ATRA 2025-12-19 12:01:44 17.79 17.37 2.10% ATRA 2025-12-19 13:01:24 17.69 17.32 0.76% ATRA 2025-12-19 14:01:45 17.46 17.18 -0.58% ATRA 2025-12-19 15:01:39 17.57 16.96 -0.99% ATRA 2025-12-19 16:01:30 16.82 16.51 -4.13% ATRA 2025-12-19 17:02:43 17.33 16.61 -0.29% ATRA 2025-12-19 18:01:27 17.33 16.61 0.23% ATRA 2025-12-19 19:01:26 17.33 16.61 0.64% ATRA 2025-12-19 21:01:59 0.00 0.00 0.64% 2025-12-22 ATRA 2025-12-22 06:01:34 19.70 10.75 0.64% ATRA 2025-12-22 08:01:35 19.70 17.17 0.64% ATRA 2025-12-22 11:01:15 17.58 17.26 1.51% ATRA 2025-12-22 12:01:28 17.28 17.05 0.64% ATRA 2025-12-22 13:01:20 17.77 17.41 2.26% ATRA 2025-12-22 14:01:44 18.80 18.39 7.31% ATRA 2025-12-22 15:01:22 18.63 18.32 7.20% ATRA 2025-12-22 16:01:39 18.36 18.11 6.62% ATRA 2025-12-22 17:01:25 18.88 16.20 4.00% ATRA 2025-12-22 18:01:38 18.88 17.87 4.02% ATRA 2025-12-22 19:01:23 18.88 17.87 6.06% ATRA 2025-12-22 21:01:32 0.00 0.00 6.06% 2025-12-23 ATRA 2025-12-23 06:01:22 20.02 18.30 8.21% ATRA 2025-12-23 09:01:26 19.18 18.30 8.21% ATRA 2025-12-23 10:01:35 20.02 16.55 8.21% ATRA 2025-12-23 11:01:19 18.89 18.21 3.73% ATRA 2025-12-23 12:01:35 18.78 18.27 3.44% ATRA 2025-12-23 13:01:16 18.68 18.35 3.44% ATRA 2025-12-23 14:01:25 18.31 18.00 3.15% ATRA 2025-12-23 15:01:22 17.99 17.55 -1.63% ATRA 2025-12-23 16:01:32 17.75 17.17 -2.27% ATRA 2025-12-23 17:01:18 19.00 15.00 -2.04% ATRA 2025-12-23 18:01:43 19.10 16.01 -1.96% ATRA 2025-12-23 19:01:15 19.10 17.75 -1.96% ATRA 2025-12-23 21:01:21 0.00 0.00 -1.96% 2025-12-24 ATRA 2025-12-24 06:01:28 20.00 15.88 5.32% ATRA 2025-12-24 08:01:26 20.00 16.19 5.32% ATRA 2025-12-24 09:01:15 20.00 17.77 5.32% ATRA 2025-12-24 10:01:27 18.40 16.19 1.74% ATRA 2025-12-24 11:01:26 17.57 17.21 -2.07% ATRA 2025-12-24 12:01:22 17.43 17.03 -0.90% ATRA 2025-12-24 13:01:16 17.46 17.21 -0.39% ATRA 2025-12-24 14:01:24 18.40 17.30 0.50% ATRA 2025-12-24 15:01:18 18.40 17.30 0.51% ATRA 2025-12-24 16:01:22 18.40 17.80 0.51% ATRA 2025-12-24 18:01:20 0.00 0.00 0.51% 2025-12-26 ATRA 2025-12-26 06:01:48 18.90 17.00 0.51% ATRA 2025-12-26 08:01:45 18.90 17.60 0.51% ATRA 2025-12-26 11:01:17 17.64 17.07 -0.46% ATRA 2025-12-26 12:01:38 17.23 16.91 -3.31% ATRA 2025-12-26 13:02:01 17.24 16.92 -3.03% ATRA 2025-12-26 14:02:12 17.22 16.98 -3.14% ATRA 2025-12-26 15:01:42 17.29 17.00 -3.66% ATRA 2025-12-26 16:03:38 17.18 16.92 -3.31% ATRA 2025-12-26 17:09:54 18.39 16.94 -1.83% ATRA 2025-12-26 18:01:17 18.39 16.94 -1.82% ATRA 2025-12-26 21:01:32 0.00 0.00 -1.82% ATRA 2025-12-26 22:02:07 18.39 16.94 -1.82%