$COLB: Columbia Banking System, Inc. - Common Stock
2025-11-03 COLB 2025-11-03 00:03:37 0.00 0.00 2.61% COLB 2025-11-03 06:01:49 42.61 24.05 2.61% COLB 2025-11-03 08:01:54 26.99 26.80 2.61% COLB 2025-11-03 09:01:29 26.94 26.73 0.00% COLB 2025-11-03 10:01:50 29.24 24.05 -0.27% COLB 2025-11-03 11:01:32 26.38 26.34 -1.77% COLB 2025-11-03 12:01:53 26.67 26.66 -0.46% COLB 2025-11-03 13:01:36 26.73 26.72 -0.27% COLB 2025-11-03 14:02:06 26.65 26.64 -0.61% COLB 2025-11-03 15:01:31 26.72 26.71 -0.27% COLB 2025-11-03 16:01:55 26.56 26.55 -0.88% COLB 2025-11-03 17:03:08 27.02 26.51 0.50% COLB 2025-11-03 18:01:58 27.02 26.51 0.49% COLB 2025-11-03 21:03:54 0.00 0.00 0.49% COLB 2025-11-03 22:03:54 27.02 26.51 0.49% 2025-11-04 COLB 2025-11-04 05:01:58 26.89 26.39 0.49% COLB 2025-11-04 07:01:39 27.49 24.05 0.49% COLB 2025-11-04 08:01:50 26.89 26.39 0.49% COLB 2025-11-04 09:01:24 26.92 26.39 0.49% COLB 2025-11-04 10:01:48 26.82 26.33 0.49% COLB 2025-11-04 11:01:24 26.56 26.55 -1.31% COLB 2025-11-04 12:01:46 26.68 26.67 -0.90% COLB 2025-11-04 13:01:26 26.56 26.55 -1.31% COLB 2025-11-04 14:01:51 26.37 26.36 -2.05% COLB 2025-11-04 15:06:07 26.47 26.46 -1.68% COLB 2025-11-04 16:02:55 26.38 26.37 -2.01% COLB 2025-11-04 17:01:37 26.80 25.68 -1.64% COLB 2025-11-04 18:01:55 26.80 25.68 -1.63% COLB 2025-11-04 19:01:47 26.80 25.68 -0.48% COLB 2025-11-04 20:03:08 26.80 25.51 -0.48% 2025-11-05 COLB 2025-11-05 06:01:55 26.47 24.05 -0.48% COLB 2025-11-05 09:01:35 29.06 24.05 0.00% COLB 2025-11-05 10:01:58 29.06 24.12 0.00% COLB 2025-11-05 11:01:30 26.66 26.63 0.67% COLB 2025-11-05 12:01:45 26.80 26.79 1.26% COLB 2025-11-05 13:01:26 26.90 26.89 1.60% COLB 2025-11-05 14:01:47 27.04 27.03 2.15% COLB 2025-11-05 15:01:36 27.00 26.99 2.01% COLB 2025-11-05 16:02:02 26.93 26.92 1.75% COLB 2025-11-05 17:01:29 27.05 26.25 0.22% COLB 2025-11-05 18:06:39 27.05 26.25 0.23% COLB 2025-11-05 19:01:33 27.08 26.25 0.23% COLB 2025-11-05 21:03:35 0.00 0.00 0.23% 2025-11-06 COLB 2025-11-06 06:01:49 26.65 26.39 0.23% COLB 2025-11-06 07:01:41 26.69 26.43 0.23% COLB 2025-11-06 08:01:48 26.70 26.35 0.23% COLB 2025-11-06 09:01:25 26.74 26.40 0.23% COLB 2025-11-06 10:01:48 29.85 24.15 0.23% COLB 2025-11-06 11:01:28 26.60 26.59 0.34% COLB 2025-11-06 12:01:45 26.45 26.44 -0.26% COLB 2025-11-06 13:01:31 26.30 26.29 -0.87% COLB 2025-11-06 14:01:56 26.38 26.37 -0.53% COLB 2025-11-06 16:01:49 26.43 26.42 -0.34% COLB 2025-11-06 17:01:32 26.78 26.20 -0.34% COLB 2025-11-06 19:01:33 26.85 26.20 -0.38% 2025-11-07 COLB 2025-11-07 06:01:58 42.27 26.36 -0.38% COLB 2025-11-07 07:01:44 26.59 26.25 -0.38% COLB 2025-11-07 08:01:48 26.54 26.21 -0.38% COLB 2025-11-07 09:01:34 26.42 26.21 -0.38% COLB 2025-11-07 10:01:58 26.42 26.24 -0.38% COLB 2025-11-07 11:01:29 26.33 26.31 -0.38% COLB 2025-11-07 12:01:46 26.36 26.35 -0.23% COLB 2025-11-07 13:01:30 26.24 26.23 -0.64% COLB 2025-11-07 14:02:10 26.35 26.34 -0.30% COLB 2025-11-07 15:01:40 26.52 26.51 0.38% COLB 2025-11-07 16:01:55 26.81 26.80 1.51% COLB 2025-11-07 17:01:41 32.00 26.01 1.92% COLB 2025-11-07 18:01:55 27.64 26.10 1.93% COLB 2025-11-07 20:01:54 27.62 26.11 1.93% COLB 2025-11-07 21:03:26 0.00 0.00 1.93% 2025-11-10 COLB 2025-11-10 06:02:06 42.81 26.81 1.93% COLB 2025-11-10 08:01:56 27.28 26.93 1.93% COLB 2025-11-10 09:01:44 27.28 26.96 1.93% COLB 2025-11-10 10:01:52 27.24 26.97 1.93% COLB 2025-11-10 11:01:39 26.98 26.96 0.23% COLB 2025-11-10 12:01:53 26.89 26.88 -0.08% COLB 2025-11-10 13:01:36 27.05 27.04 0.42% COLB 2025-11-10 14:01:56 27.29 27.28 1.36% COLB 2025-11-10 15:01:37 27.37 27.36 1.70% COLB 2025-11-10 16:02:15 27.35 27.34 1.59% COLB 2025-11-10 17:01:48 27.40 26.35 0.68% COLB 2025-11-10 18:02:00 28.00 26.72 0.67% COLB 2025-11-10 19:01:41 28.00 26.35 0.67% COLB 2025-11-10 21:02:47 0.00 0.00 0.67% 2025-11-11 COLB 2025-11-11 05:01:43 27.29 26.90 0.67% COLB 2025-11-11 06:02:04 27.24 26.90 0.67% COLB 2025-11-11 07:01:43 27.29 26.93 0.67% COLB 2025-11-11 08:02:02 27.34 26.90 0.67% COLB 2025-11-11 09:02:06 27.24 26.90 0.67% COLB 2025-11-11 11:01:33 27.18 27.17 0.26% COLB 2025-11-11 12:01:55 27.12 27.11 0.00% COLB 2025-11-11 13:01:42 27.17 27.16 0.22% COLB 2025-11-11 14:01:55 27.33 27.32 0.85% COLB 2025-11-11 15:01:40 27.21 27.20 0.41% COLB 2025-11-11 16:01:54 27.22 27.21 0.41% COLB 2025-11-11 17:01:33 27.40 26.35 -0.74% COLB 2025-11-11 21:02:49 0.00 0.00 -0.74% 2025-11-12 COLB 2025-11-12 06:01:56 27.10 26.83 -0.74% COLB 2025-11-12 07:01:33 43.04 26.83 -0.74% COLB 2025-11-12 08:01:52 27.08 26.72 -0.74% COLB 2025-11-12 09:01:32 27.13 26.90 -0.74% COLB 2025-11-12 10:01:54 27.13 26.96 -0.74% COLB 2025-11-12 11:01:28 27.30 27.29 1.51% COLB 2025-11-12 12:01:47 27.33 27.32 1.62% COLB 2025-11-12 13:01:30 27.07 27.06 0.63% COLB 2025-11-12 14:01:52 27.19 27.18 1.07% COLB 2025-11-12 15:01:34 27.25 27.24 1.33% COLB 2025-11-12 16:01:52 27.12 27.11 0.81% COLB 2025-11-12 17:01:36 28.00 26.96 0.92% COLB 2025-11-12 18:01:51 27.58 26.96 0.93% COLB 2025-11-12 21:02:21 0.00 0.00 0.93% COLB 2025-11-12 22:03:08 27.91 26.96 0.93% 2025-11-13 COLB 2025-11-13 05:01:41 27.37 27.01 0.93% COLB 2025-11-13 06:02:00 27.32 26.93 0.56% COLB 2025-11-13 08:01:50 27.24 26.93 0.56% COLB 2025-11-13 09:01:32 27.24 26.94 0.56% COLB 2025-11-13 10:01:53 27.22 26.87 0.56% COLB 2025-11-13 11:01:33 27.26 27.23 0.41% COLB 2025-11-13 12:01:54 27.33 27.31 0.74% COLB 2025-11-13 13:01:36 27.23 27.22 0.30% COLB 2025-11-13 14:02:03 27.09 27.07 -0.19% COLB 2025-11-13 15:01:49 26.92 26.91 -0.78% COLB 2025-11-13 16:02:03 26.81 26.80 -1.30% COLB 2025-11-13 17:01:35 27.39 24.05 -0.97% COLB 2025-11-13 18:01:53 27.39 24.05 -0.96% COLB 2025-11-13 21:02:49 0.00 0.00 -0.96% 2025-11-14 COLB 2025-11-14 05:01:30 27.00 26.64 -0.96% COLB 2025-11-14 06:02:02 27.00 26.66 -0.96% COLB 2025-11-14 07:01:34 26.99 26.63 -0.96% COLB 2025-11-14 08:01:57 26.80 26.35 -0.18% COLB 2025-11-14 09:01:38 26.75 26.35 -0.96% COLB 2025-11-14 10:02:00 26.87 24.10 -0.96% COLB 2025-11-14 11:01:28 26.68 26.66 -0.70% COLB 2025-11-14 12:01:44 26.80 26.79 -0.26% COLB 2025-11-14 13:01:34 26.94 26.93 0.29% COLB 2025-11-14 14:01:57 26.82 26.81 -0.18% COLB 2025-11-14 15:01:45 26.87 26.86 -0.04% COLB 2025-11-14 15:44:13 8-K Sec report https://www.sec.gov/Archives/edgar/data/887343/000088734325000271/0000887343-25-000271-index.htm 8-K - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Filer) COLB 2025-11-14 16:02:09 26.97 26.96 0.37% COLB 2025-11-14 17:01:47 27.31 26.50 -0.96% COLB 2025-11-14 18:01:57 27.31 26.50 -0.97% COLB 2025-11-14 21:03:31 0.00 0.00 -0.97% 2025-11-17 COLB 2025-11-17 05:01:35 27.17 26.80 -0.97% COLB 2025-11-17 06:01:55 27.11 26.80 -0.97% COLB 2025-11-17 07:01:32 27.06 26.69 -0.97% COLB 2025-11-17 08:01:52 27.09 26.75 -0.97% COLB 2025-11-17 09:01:29 27.01 26.75 -0.97% COLB 2025-11-17 10:01:49 26.95 26.75 -0.97% COLB 2025-11-17 11:01:24 26.81 26.79 -0.45% COLB 2025-11-17 12:01:47 26.68 26.67 -0.93% COLB 2025-11-17 13:01:34 26.64 26.63 -1.12% COLB 2025-11-17 14:02:08 26.52 26.51 -1.53% COLB 2025-11-17 15:01:35 26.30 26.29 -2.31% COLB 2025-11-17 16:01:58 25.84 25.83 -4.02% COLB 2025-11-17 17:02:24 26.25 25.25 -4.32% COLB 2025-11-17 18:01:52 26.25 25.25 -4.31% COLB 2025-11-17 21:03:32 0.00 0.00 -4.31% 2025-11-18 COLB 2025-11-18 06:01:59 25.82 25.53 -4.31% COLB 2025-11-18 11:04:03 25.78 25.76 0.07% COLB 2025-11-18 12:01:30 25.60 25.59 -0.52% COLB 2025-11-18 13:01:43 25.85 25.84 0.41% COLB 2025-11-18 14:01:36 25.98 25.97 0.89% COLB 2025-11-18 15:01:47 25.91 25.90 0.59% COLB 2025-11-18 16:01:41 25.93 25.92 0.67% COLB 2025-11-18 17:01:50 26.23 21.43 0.22% COLB 2025-11-18 18:01:38 26.23 24.94 0.23% COLB 2025-11-18 21:05:58 0.00 0.00 0.23% COLB 2025-11-18 22:02:06 26.23 24.94 0.23% 2025-11-19 COLB 2025-11-19 06:01:35 26.05 25.73 0.23% COLB 2025-11-19 07:01:45 26.12 25.47 0.23% COLB 2025-11-19 08:01:39 26.05 25.80 0.23% COLB 2025-11-19 10:01:35 26.05 25.73 0.85% COLB 2025-11-19 11:01:45 26.12 26.10 1.20% COLB 2025-11-19 12:01:38 26.06 26.05 0.97% COLB 2025-11-19 13:01:47 26.12 26.11 1.28% COLB 2025-11-19 14:01:38 25.98 25.97 0.66% COLB 2025-11-19 15:01:49 26.00 25.99 0.78% COLB 2025-11-19 16:01:44 26.02 26.01 0.85% COLB 2025-11-19 17:01:44 0.00 24.05 2.25% COLB 2025-11-19 18:01:42 26.84 24.05 2.25% COLB 2025-11-19 21:04:34 0.00 0.00 2.25% 2025-11-20 COLB 2025-11-20 06:01:34 26.76 26.37 2.25% COLB 2025-11-20 07:01:38 41.92 24.05 2.25% COLB 2025-11-20 08:01:38 26.60 26.37 2.25% COLB 2025-11-20 09:01:48 29.38 26.30 2.25% COLB 2025-11-20 10:01:40 26.76 26.40 2.25% COLB 2025-11-20 11:01:46 26.96 26.93 2.25% COLB 2025-11-20 12:01:32 26.94 26.93 2.17% COLB 2025-11-20 13:01:52 26.48 26.45 0.35% COLB 2025-11-20 14:01:42 26.33 26.31 -0.19% COLB 2025-11-20 15:01:50 26.28 26.27 -0.31% COLB 2025-11-20 16:01:50 26.39 26.38 0.08% COLB 2025-11-20 17:01:55 26.75 25.66 -0.54% COLB 2025-11-20 18:02:05 26.75 25.66 -0.53% COLB 2025-11-20 21:03:21 0.00 0.00 -0.53% 2025-11-21 COLB 2025-11-21 06:02:04 26.49 25.97 -0.53% COLB 2025-11-21 07:01:55 26.57 24.05 -0.53% COLB 2025-11-21 08:01:46 26.49 26.10 -0.46% COLB 2025-11-21 09:01:53 30.12 26.26 -0.46% COLB 2025-11-21 09:45:06 8-K Sec report https://www.sec.gov/Archives/edgar/data/887343/000119312525290691/0001193125-25-290691-index.htm 8-K - COLUMBIA BANKING SYSTEM, INC. (0000887343) (Filer) COLB 2025-11-21 10:02:51 30.12 24.05 -0.46% COLB 2025-11-21 11:01:43 26.53 26.51 1.10% COLB 2025-11-21 12:01:38 26.63 26.62 1.52% COLB 2025-11-21 13:01:53 27.18 27.17 3.60% COLB 2025-11-21 14:01:39 27.23 27.22 3.79% COLB 2025-11-21 15:02:03 27.39 27.38 4.36% COLB 2025-11-21 16:01:50 27.35 27.34 4.29% COLB 2025-11-21 17:01:52 27.45 27.00 3.60% COLB 2025-11-21 18:01:42 27.74 27.00 3.62% COLB 2025-11-21 21:05:21 0.00 0.00 3.62% 2025-11-24 COLB 2025-11-24 06:01:56 27.30 26.98 3.62% COLB 2025-11-24 07:01:45 28.00 26.91 3.62% COLB 2025-11-24 08:01:57 27.30 26.99 3.62% COLB 2025-11-24 09:01:35 27.36 26.98 3.62% COLB 2025-11-24 10:01:47 27.44 27.04 3.62% COLB 2025-11-24 11:01:36 27.32 27.31 0.57% COLB 2025-11-24 12:01:49 27.24 27.23 0.30% COLB 2025-11-24 13:01:36 27.32 27.31 0.57% COLB 2025-11-24 14:04:40 27.44 27.43 1.03% COLB 2025-11-24 15:01:42 27.48 27.47 1.18% COLB 2025-11-24 16:03:36 27.43 27.42 0.95% COLB 2025-11-24 17:02:01 27.98 27.57 1.68% COLB 2025-11-24 18:01:58 27.98 27.60 1.66% COLB 2025-11-24 21:02:36 0.00 0.00 1.66% 2025-11-25 COLB 2025-11-25 06:02:28 28.00 27.30 1.66% COLB 2025-11-25 07:01:41 30.40 22.00 1.66% COLB 2025-11-25 08:01:58 27.73 27.35 1.66% COLB 2025-11-25 09:01:38 27.74 27.55 1.66% COLB 2025-11-25 11:01:42 28.23 28.20 2.50% COLB 2025-11-25 12:02:00 28.37 28.36 3.09% COLB 2025-11-25 13:01:34 28.66 28.65 4.12% COLB 2025-11-25 14:01:53 28.74 28.73 4.42% COLB 2025-11-25 15:01:33 28.49 28.47 3.50% COLB 2025-11-25 16:01:58 28.58 28.57 3.86% COLB 2025-11-25 17:01:39 28.88 28.02 3.28% COLB 2025-11-25 18:01:44 28.88 28.02 3.23% COLB 2025-11-25 21:03:24 0.00 0.00 3.23% 2025-11-26 COLB 2025-11-26 06:01:53 45.47 24.05 3.23% COLB 2025-11-26 08:01:53 28.70 28.28 3.23% COLB 2025-11-26 09:01:31 28.70 28.20 3.23% COLB 2025-11-26 10:01:51 28.93 28.04 3.23% COLB 2025-11-26 11:01:34 28.50 28.48 0.29% COLB 2025-11-26 12:01:46 28.53 28.52 0.40% COLB 2025-11-26 13:01:52 28.48 28.47 0.22% COLB 2025-11-26 14:01:54 28.49 28.48 0.29% COLB 2025-11-26 15:01:34 28.52 28.51 0.33% COLB 2025-11-26 16:01:53 28.52 28.51 0.29% COLB 2025-11-26 17:01:38 28.55 28.02 -0.22% COLB 2025-11-26 18:02:01 28.55 28.02 -0.21% COLB 2025-11-26 21:03:16 0.00 0.00 -0.21% 2025-11-27 COLB 2025-11-27 19:01:37 28.55 28.02 -0.21% COLB 2025-11-27 21:02:42 0.00 0.00 -0.21% 2025-11-28 COLB 2025-11-28 06:01:52 44.50 22.83 -0.21% COLB 2025-11-28 08:01:42 28.94 24.36 -0.21% COLB 2025-11-28 09:01:27 28.47 24.36 -0.21% COLB 2025-11-28 10:01:43 28.46 24.36 -0.21% COLB 2025-11-28 11:01:30 28.13 28.11 0.49% COLB 2025-11-28 12:01:41 27.97 27.96 -0.07% COLB 2025-11-28 13:01:32 27.99 27.98 0.04% COLB 2025-11-28 14:01:49 28.48 25.85 -0.91% COLB 2025-11-28 15:01:35 27.70 24.01 -0.93% COLB 2025-11-28 17:01:33 27.70 24.01 -0.07% COLB 2025-11-28 18:01:40 0.00 0.00 -1.04%