Columbia Banking System, Inc. - COLB - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	31.17	31.76	31.76	31.81	30.93	3.07M
February 19, 2026	31.18	31.19	31.19	31.41	30.8	2.59M
February 18, 2026	31.29	31.24	31.24	32.12	31.19	3.43M
February 17, 2026	31.59	31.3	31.3	32	31.15	2.7M
February 13, 2026	31.1	31.49	31.49	31.63	30.79	3.29M
February 12, 2026	31.99	31.25	31.25	32.21	30.75	4.15M
February 11, 2026	32.24	31.63	31.63	32.62	31.38	2.04M
February 10, 2026	32.37	32.02	32.02	32.6	31.72	2.38M
February 09, 2026	32.04	32.42	32.42	32.7	31.88	2.42M
February 06, 2026	31.43	32.07	32.07	32.23	31.43	2.75M
February 05, 2026	30.97	31.24	31.24	31.4	30.14	3.45M
February 04, 2026	30.59	31.14	31.14	31.42	30.59	3.48M
February 03, 2026	29.74	30.44	30.44	30.49	29.54	2.75M
February 02, 2026	29.3	29.69	29.69	29.96	29.03	2.4M
January 30, 2026	28.98	29.44	29.44	29.5	28.92	2.71M
January 29, 2026	29.18	29.04	29.04	29.36	28.56	3.75M
January 28, 2026	28.96	28.96	28.96	29.34	28.82	2.6M
January 27, 2026	28.96	28.96	28.96	29.16	28.72	3.1M
January 26, 2026	28.91	28.87	28.87	29.26	28.37	3.25M
January 23, 2026	30.31	28.88	28.88	31.11	28.83	8.06M
January 22, 2026	29.8	29.67	29.67	30.28	29.53	4.04M
January 21, 2026	28.61	29.7	29.7	29.97	28.46	3.75M
January 20, 2026	28.52	28.35	28.35	28.84	28.21	1.83M
January 16, 2026	29.28	28.91	28.91	29.39	28.85	1.8M
January 15, 2026	28.55	29.25	29.25	29.36	28.51	1.91M
January 14, 2026	28.24	28.41	28.41	28.62	28.04	2.32M
January 13, 2026	28.65	28.29	28.29	28.8	28.23	2.05M
January 12, 2026	28.74	28.61	28.61	28.88	28.44	1.58M
January 09, 2026	29.5	29.05	29.05	29.72	29.03	1.47M
January 08, 2026	28.75	29.36	29.36	29.7	28.5	1.9M
January 07, 2026	28.95	28.9	28.9	29.16	28.67	2.19M
January 06, 2026	28.68	28.99	28.99	29.09	28.54	2.53M
January 05, 2026	28.11	28.78	28.78	29.1	28.06	2.54M
January 02, 2026	28.05	28.19	28.19	28.35	27.54	2.29M
December 31, 2025	28.5	27.95	27.95	28.5	27.9	1.45M
December 30, 2025	28.5	28.25	28.25	28.5	28.15	1.76M
December 29, 2025	28.43	28.44	28.44	28.69	28.36	1.82M
December 26, 2025	28.56	28.59	28.59	28.72	28.47	850,900
December 24, 2025	28.65	28.62	28.62	28.72	28.54	826,100
December 23, 2025	29	28.61	28.61	29.07	28.57	2M
December 22, 2025	29.02	29.02	29.02	29.26	28.89	2.55M
December 19, 2025	28.86	28.85	28.85	29.12	28.64	4.59M
December 18, 2025	29.18	28.86	28.86	29.26	28.76	2.62M
December 17, 2025	28.96	28.95	28.95	29.33	28.82	2.42M
December 16, 2025	29.14	28.91	28.91	29.31	28.79	2.43M
December 15, 2025	29.51	29.16	29.16	29.61	29.09	1.89M
December 12, 2025	29.33	29.24	29.24	29.46	29.05	2.21M
December 11, 2025	28.96	29.26	29.26	29.5	28.91	3.12M
December 10, 2025	27.99	29.04	29.04	29.35	27.99	5.33M
December 09, 2025	28.27	28.15	28.15	28.71	28.1	1.84M
December 08, 2025	28.18	28.3	28.3	28.64	28.06	2.09M
December 05, 2025	28.14	28.18	28.18	28.38	28.05	2.41M
December 04, 2025	28.1	28.28	28.28	28.39	28.03	1.98M
December 03, 2025	27.72	28.17	28.17	28.32	27.72	3.9M
December 02, 2025	28.23	27.67	27.67	28.25	27.66	3.01M
December 01, 2025	27.56	28.08	28.08	28.33	27.51	2.46M
November 28, 2025	27.93	27.72	27.72	28.21	27.69	1.7M
November 26, 2025	28.32	28.36	27.99	28.59	28.32	2.03M
November 25, 2025	27.71	28.42	28.05	28.77	27.69	2.51M
November 24, 2025	27.26	27.54	27.18	27.67	26.96	2.45M

Columbia Banking System, Inc. (COLB) NASDAQ