$GBIO: Generation Bio Co. - Common stock
2025-10-27 GBIO 2025-10-27 00:05:03 0.00 0.00 -1.94% GBIO 2025-10-27 05:02:04 7.25 5.12 -3.24% GBIO 2025-10-27 06:02:41 6.60 5.12 -3.24% GBIO 2025-10-27 09:02:18 6.60 5.13 -3.24% GBIO 2025-10-27 10:02:41 6.10 6.00 -0.32% GBIO 2025-10-27 11:02:07 6.07 5.85 -1.78% GBIO 2025-10-27 12:02:38 6.07 5.90 -1.78% GBIO 2025-10-27 13:02:12 6.06 5.92 -1.78% GBIO 2025-10-27 14:02:46 6.00 5.94 -1.46% GBIO 2025-10-27 15:02:18 6.02 5.99 -1.46% GBIO 2025-10-27 16:02:23 6.07 5.90 -1.46% GBIO 2025-10-27 17:01:59 6.07 5.90 -1.48% GBIO 2025-10-27 18:02:27 6.07 5.80 -1.48% GBIO 2025-10-27 20:02:24 0.00 0.00 -1.48% 2025-10-28 GBIO 2025-10-28 05:01:51 7.16 5.12 -1.48% GBIO 2025-10-28 07:01:46 6.79 5.12 -1.48% GBIO 2025-10-28 08:02:28 6.79 5.80 -1.48% GBIO 2025-10-28 10:02:17 6.00 5.94 -0.16% GBIO 2025-10-28 11:01:40 6.00 5.85 -1.31% GBIO 2025-10-28 12:02:24 5.89 5.83 -2.62% GBIO 2025-10-28 13:02:02 5.93 5.82 -1.97% GBIO 2025-10-28 14:02:17 5.88 5.84 -2.62% GBIO 2025-10-28 15:01:46 5.83 5.77 -3.44% GBIO 2025-10-28 16:02:21 5.83 5.75 -3.28% GBIO 2025-10-28 17:01:54 5.83 5.75 -3.33% GBIO 2025-10-28 18:02:09 6.79 5.75 -2.67% GBIO 2025-10-28 20:02:07 0.00 0.00 -2.67% 2025-10-29 GBIO 2025-10-29 05:01:42 7.16 5.08 -2.67% GBIO 2025-10-29 07:01:40 6.79 5.08 -2.67% GBIO 2025-10-29 09:01:43 6.79 5.34 -2.67% GBIO 2025-10-29 10:02:10 5.94 5.80 0.67% GBIO 2025-10-29 11:01:40 5.80 5.60 -1.50% GBIO 2025-10-29 12:02:17 5.72 5.60 -1.50% GBIO 2025-10-29 13:01:41 5.71 5.65 -2.17% GBIO 2025-10-29 14:02:10 5.68 5.61 -2.33% GBIO 2025-10-29 15:01:44 5.63 5.60 -3.17% GBIO 2025-10-29 16:02:19 5.68 5.55 -3.67% GBIO 2025-10-29 17:01:47 5.68 5.55 -3.79% GBIO 2025-10-29 20:02:09 0.00 0.00 -3.79% 2025-10-30 GBIO 2025-10-30 05:01:41 6.28 4.88 -3.79% GBIO 2025-10-30 07:01:47 6.28 5.03 -3.79% GBIO 2025-10-30 10:02:10 5.74 5.56 0.00% GBIO 2025-10-30 11:01:43 5.57 5.43 -1.21% GBIO 2025-10-30 12:02:12 5.52 5.46 -1.38% GBIO 2025-10-30 13:01:47 5.57 5.48 -1.38% GBIO 2025-10-30 14:02:13 5.51 5.48 -1.38% GBIO 2025-10-30 15:01:46 5.53 5.45 -1.21% GBIO 2025-10-30 16:02:17 5.72 5.34 -1.21% GBIO 2025-10-30 17:01:42 5.72 5.34 -1.26% GBIO 2025-10-30 20:02:19 0.00 0.00 -1.26% 2025-10-31 GBIO 2025-10-31 05:01:49 6.24 4.88 -1.26% GBIO 2025-10-31 10:02:16 5.51 5.42 0.18% GBIO 2025-10-31 11:01:43 5.50 5.45 -0.18% GBIO 2025-10-31 12:02:14 5.48 5.40 -0.72% GBIO 2025-10-31 13:01:46 5.41 5.40 -1.44% GBIO 2025-10-31 14:02:31 5.42 5.39 -1.62% GBIO 2025-10-31 15:01:44 5.51 5.37 -1.44% GBIO 2025-10-31 16:03:58 5.57 5.39 0.18% GBIO 2025-10-31 19:01:40 6.24 5.39 1.45% GBIO 2025-10-31 20:02:12 0.00 0.00 1.45% 2025-11-03 GBIO 2025-11-03 06:02:16 6.24 5.03 1.45% GBIO 2025-11-03 09:01:47 6.24 5.41 1.45% GBIO 2025-11-03 10:02:17 5.51 5.41 1.45% GBIO 2025-11-03 11:01:49 5.35 5.23 -3.82% GBIO 2025-11-03 12:02:19 5.30 5.22 -4.55% GBIO 2025-11-03 13:01:53 5.30 5.27 -3.64% GBIO 2025-11-03 14:02:33 5.33 5.22 -3.64% GBIO 2025-11-03 15:01:49 5.33 5.23 -3.82% GBIO 2025-11-03 16:02:21 5.26 5.25 -4.55% GBIO 2025-11-03 17:03:25 5.35 5.15 -4.18% GBIO 2025-11-03 18:02:24 5.35 5.15 -4.17% GBIO 2025-11-03 21:05:33 0.00 0.00 -4.17% GBIO 2025-11-03 22:05:15 5.35 5.15 -4.17% 2025-11-04 GBIO 2025-11-04 06:02:13 5.87 4.71 -4.17% GBIO 2025-11-04 07:01:56 5.94 4.71 -4.17% GBIO 2025-11-04 10:02:15 5.87 4.90 -4.17% GBIO 2025-11-04 11:01:41 5.28 5.16 -0.73% GBIO 2025-11-04 12:02:13 5.22 5.17 -1.63% GBIO 2025-11-04 13:01:43 5.32 5.30 0.73% GBIO 2025-11-04 14:02:18 5.31 5.30 0.73% GBIO 2025-11-04 15:06:24 5.32 5.29 0.54% GBIO 2025-11-04 16:03:21 5.32 5.30 0.73% GBIO 2025-11-04 17:01:55 6.80 5.24 -0.36% GBIO 2025-11-04 18:02:21 5.94 5.26 -0.38% GBIO 2025-11-04 19:02:04 5.81 5.26 -0.38% 2025-11-05 GBIO 2025-11-05 06:02:22 5.81 5.30 -0.38% GBIO 2025-11-05 10:02:24 5.32 5.30 -0.38% GBIO 2025-11-05 11:01:48 5.30 5.23 -0.19% GBIO 2025-11-05 12:02:12 5.24 5.21 -0.19% GBIO 2025-11-05 13:01:43 5.32 5.24 0.76% GBIO 2025-11-05 14:02:14 5.32 5.26 0.19% GBIO 2025-11-05 15:01:54 5.26 5.23 -0.19% GBIO 2025-11-05 16:02:28 5.23 5.21 -0.57% GBIO 2025-11-05 17:01:46 6.80 5.18 -0.95% GBIO 2025-11-05 17:16:21 10-Q Sec report https://www.sec.gov/Archives/edgar/data/1733294/000110465925107006/0001104659-25-107006-index.htm 10-Q - Generation Bio Co. (0001733294) (Filer) GBIO 2025-11-05 18:07:05 5.94 5.22 -0.95% GBIO 2025-11-05 21:05:32 0.00 0.00 -0.95% 2025-11-06 GBIO 2025-11-06 06:02:15 5.29 5.21 0.95% GBIO 2025-11-06 07:01:58 5.29 4.79 0.19% GBIO 2025-11-06 08:02:15 5.94 5.29 1.90% GBIO 2025-11-06 11:01:46 5.25 5.19 0.19% GBIO 2025-11-06 12:02:12 5.19 5.17 -0.19% GBIO 2025-11-06 13:01:48 5.14 5.13 -1.14% GBIO 2025-11-06 14:02:23 5.13 5.09 -1.33% GBIO 2025-11-06 15:02:03 5.10 5.07 -2.29% GBIO 2025-11-06 16:02:15 5.06 5.01 -3.05% GBIO 2025-11-06 17:01:49 6.00 5.01 -3.05% GBIO 2025-11-06 18:02:16 6.00 5.01 -3.08% GBIO 2025-11-06 19:01:50 6.00 5.05 -3.08% 2025-11-07 GBIO 2025-11-07 06:02:24 6.51 5.01 -3.08% GBIO 2025-11-07 08:02:15 6.43 5.01 -3.08% GBIO 2025-11-07 10:02:25 6.51 5.01 -3.08% GBIO 2025-11-07 11:01:47 5.10 5.01 0.39% GBIO 2025-11-07 12:02:13 5.01 4.92 -1.16% GBIO 2025-11-07 13:01:47 4.95 4.92 -1.16% GBIO 2025-11-07 14:02:37 4.99 4.96 -0.96% GBIO 2025-11-07 15:01:58 5.01 4.95 -0.39% GBIO 2025-11-07 16:02:21 5.16 5.05 1.35% GBIO 2025-11-07 17:01:58 6.80 4.99 1.93% GBIO 2025-11-07 18:02:20 6.51 4.99 1.99% GBIO 2025-11-07 21:04:40 0.00 0.00 1.99% 2025-11-10 GBIO 2025-11-10 06:02:32 6.51 5.05 1.99% GBIO 2025-11-10 08:02:23 6.51 5.15 1.99% GBIO 2025-11-10 10:02:19 6.51 5.15 1.00% GBIO 2025-11-10 11:01:57 5.27 5.21 2.19% GBIO 2025-11-10 12:02:20 5.54 5.40 8.37% GBIO 2025-11-10 13:01:53 5.50 5.45 6.77% GBIO 2025-11-10 14:02:22 5.43 5.40 6.37% GBIO 2025-11-10 15:01:55 5.42 5.41 5.98% GBIO 2025-11-10 16:02:41 5.49 5.42 6.18% GBIO 2025-11-10 17:02:05 5.50 5.31 7.17% GBIO 2025-11-10 18:02:25 5.50 5.31 7.05% GBIO 2025-11-10 19:01:58 5.50 5.05 7.63% GBIO 2025-11-10 21:03:40 0.00 0.00 7.63% 2025-11-11 GBIO 2025-11-11 06:02:31 6.46 4.62 7.63% GBIO 2025-11-11 08:02:30 6.46 5.01 7.63% GBIO 2025-11-11 10:02:25 6.46 5.16 7.63% GBIO 2025-11-11 11:01:51 5.49 5.40 -1.57% GBIO 2025-11-11 12:02:22 5.55 5.47 0.98% GBIO 2025-11-11 13:02:00 5.60 5.51 0.98% GBIO 2025-11-11 14:02:22 5.72 5.57 2.74% GBIO 2025-11-11 15:01:57 5.85 5.70 4.89% GBIO 2025-11-11 16:02:20 5.84 5.73 6.46% GBIO 2025-11-11 17:01:50 5.97 5.30 6.07% GBIO 2025-11-11 18:02:40 5.97 5.30 5.67% GBIO 2025-11-11 21:04:01 0.00 0.00 5.67% 2025-11-12 GBIO 2025-11-12 06:02:23 6.49 4.84 5.67% GBIO 2025-11-12 10:02:21 6.26 4.86 5.67% GBIO 2025-11-12 11:01:46 5.70 5.52 -2.74% GBIO 2025-11-12 12:02:14 5.82 5.61 -1.10% GBIO 2025-11-12 13:01:48 5.64 5.50 -2.93% GBIO 2025-11-12 14:02:18 5.69 5.52 -3.11% GBIO 2025-11-12 15:01:51 5.63 5.51 -4.39% GBIO 2025-11-12 16:02:18 5.61 5.51 -4.39% GBIO 2025-11-12 17:01:53 5.62 5.49 -4.02% GBIO 2025-11-12 18:02:16 5.62 5.49 -3.81% GBIO 2025-11-12 21:03:19 0.00 0.00 -3.81% GBIO 2025-11-12 22:04:20 5.62 5.49 -3.81% 2025-11-13 GBIO 2025-11-13 06:02:26 6.39 4.84 -3.81% GBIO 2025-11-13 08:02:16 6.30 5.03 -3.81% GBIO 2025-11-13 11:01:50 5.90 5.66 4.33% GBIO 2025-11-13 12:02:20 5.79 5.72 3.64% GBIO 2025-11-13 13:01:53 5.78 5.71 3.12% GBIO 2025-11-13 14:02:30 5.73 5.65 2.77% GBIO 2025-11-13 15:02:06 5.61 5.50 1.21% GBIO 2025-11-13 16:02:30 5.55 5.50 0.17% GBIO 2025-11-13 17:01:53 5.80 4.95 1.56% GBIO 2025-11-13 18:02:18 5.80 5.03 1.62% GBIO 2025-11-13 21:03:50 0.00 0.00 1.62% 2025-11-14 GBIO 2025-11-14 06:02:29 6.33 4.84 1.62% GBIO 2025-11-14 08:02:24 6.33 5.03 1.62% GBIO 2025-11-14 09:01:56 6.33 5.03 -3.07% GBIO 2025-11-14 11:01:45 5.83 5.53 0.18% GBIO 2025-11-14 12:02:10 5.77 5.53 0.72% GBIO 2025-11-14 13:01:51 5.58 5.53 -1.44% GBIO 2025-11-14 14:02:24 5.59 5.51 -1.62% GBIO 2025-11-14 15:02:02 5.58 5.51 -1.99% GBIO 2025-11-14 16:02:36 5.50 5.35 -2.17% GBIO 2025-11-14 17:02:04 5.85 5.30 -3.61% GBIO 2025-11-14 18:02:23 5.41 5.30 -3.56% GBIO 2025-11-14 19:02:15 5.85 5.30 -3.56% GBIO 2025-11-14 21:05:14 0.00 0.00 -3.56% 2025-11-17 GBIO 2025-11-17 06:02:21 6.33 4.84 -3.56% GBIO 2025-11-17 08:02:18 6.33 5.25 -3.56% GBIO 2025-11-17 11:01:41 5.55 5.45 0.18% GBIO 2025-11-17 12:02:15 5.58 5.45 1.60% GBIO 2025-11-17 14:02:34 5.47 5.45 1.25% GBIO 2025-11-17 15:01:53 5.52 5.48 1.60% GBIO 2025-11-17 16:02:25 5.47 5.45 0.71% GBIO 2025-11-17 17:02:41 6.69 5.32 -0.18% GBIO 2025-11-17 18:02:17 6.30 5.32 -0.18% GBIO 2025-11-17 21:05:13 0.00 0.00 -0.18% 2025-11-18 GBIO 2025-11-18 06:02:26 6.33 4.87 -0.18% GBIO 2025-11-18 11:10:47 5.39 5.26 -1.85% GBIO 2025-11-18 12:01:52 5.38 5.20 -1.48% GBIO 2025-11-18 13:02:06 5.34 5.23 -1.29% GBIO 2025-11-18 14:01:59 5.40 5.33 -0.55% GBIO 2025-11-18 16:02:03 5.35 5.23 -2.58% GBIO 2025-11-18 17:02:12 5.40 5.23 -2.77% GBIO 2025-11-18 18:02:00 5.40 5.23 -2.78% 2025-11-19 GBIO 2025-11-19 06:01:58 6.29 4.79 -2.78% GBIO 2025-11-19 09:02:03 6.29 5.20 -2.78% GBIO 2025-11-19 11:02:07 5.47 5.25 0.00% GBIO 2025-11-19 12:02:01 5.47 5.26 2.96% GBIO 2025-11-19 13:02:09 5.44 5.28 2.96% GBIO 2025-11-19 14:02:00 5.31 5.22 1.30% GBIO 2025-11-19 15:02:10 5.28 5.25 0.19% GBIO 2025-11-19 16:02:06 5.25 5.17 0.00% GBIO 2025-11-19 17:02:05 5.26 5.18 -1.30% GBIO 2025-11-19 18:02:04 5.40 5.18 -1.33% GBIO 2025-11-19 21:06:27 0.00 0.00 -1.33% 2025-11-20 GBIO 2025-11-20 06:02:01 5.40 4.71 -1.33% GBIO 2025-11-20 10:02:06 5.40 4.95 -1.33% GBIO 2025-11-20 11:02:13 5.29 5.25 1.52% GBIO 2025-11-20 12:01:58 5.29 5.25 2.10% GBIO 2025-11-20 13:02:18 5.32 5.21 1.90% GBIO 2025-11-20 14:02:09 5.31 5.21 1.14% GBIO 2025-11-20 15:02:16 5.13 5.04 -1.14% GBIO 2025-11-20 16:02:16 5.18 5.07 -1.90% GBIO 2025-11-20 17:02:21 6.69 4.99 -3.05% GBIO 2025-11-20 18:02:31 5.53 5.00 -3.09% GBIO 2025-11-20 21:04:51 0.00 0.00 -2.51% 2025-11-21 GBIO 2025-11-21 06:02:31 5.86 4.58 -2.51% GBIO 2025-11-21 09:02:20 5.59 4.58 -2.51% GBIO 2025-11-21 10:03:17 5.59 5.00 -2.51% GBIO 2025-11-21 11:02:10 5.10 5.00 1.16% GBIO 2025-11-21 12:02:04 5.05 5.00 0.00% GBIO 2025-11-21 13:02:20 5.13 5.01 1.35% GBIO 2025-11-21 14:02:06 5.10 5.05 1.16% GBIO 2025-11-21 15:02:30 5.06 5.00 0.97% GBIO 2025-11-21 16:02:16 5.04 5.00 0.39% GBIO 2025-11-21 17:02:18 5.15 5.00 0.58% GBIO 2025-11-21 18:02:07 5.86 5.01 0.60% GBIO 2025-11-21 21:08:14 0.00 0.00 0.60% 2025-11-24 GBIO 2025-11-24 06:02:24 5.86 4.58 0.60% GBIO 2025-11-24 10:02:14 5.86 5.03 0.60% GBIO 2025-11-24 11:01:53 5.15 5.09 1.60% GBIO 2025-11-24 12:02:17 5.13 5.09 1.20% GBIO 2025-11-24 13:01:54 5.16 5.13 2.00% GBIO 2025-11-24 14:05:11 5.31 5.11 3.39% GBIO 2025-11-24 15:02:00 5.18 5.09 2.59% GBIO 2025-11-24 16:04:04 5.21 5.14 2.59% GBIO 2025-11-24 17:02:18 6.69 0.00 3.39%