Columbia Banking System, Inc. (COLB)

Columbia Banking System Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 3, 2026	29.04	29.10	28.55	28.59	28.59	-2.02%	2,686,774
Jun 2, 2026	29.00	29.48	28.95	29.18	29.18	0.62%	2,794,965
Jun 1, 2026	29.28	29.42	28.94	29.00	29.00	-2.16%	2,442,075
May 29, 2026	29.27	29.81	29.05	29.64	29.64	1.26%	3,453,386
May 28, 2026	29.70	29.73	29.32	29.64	29.27	-0.50%	2,683,843
May 27, 2026	30.13	30.24	29.56	29.79	29.42	-0.93%	3,201,360
May 26, 2026	29.96	30.23	29.70	30.07	29.69	1.14%	2,237,365
May 22, 2026	29.80	29.82	29.59	29.73	29.36	0.37%	1,438,166
May 21, 2026	29.57	29.65	29.19	29.62	29.25	-0.17%	2,049,513
May 20, 2026	28.91	29.79	28.75	29.67	29.30	3.27%	2,297,395
May 19, 2026	28.95	29.03	28.54	28.73	28.37	-0.97%	2,671,365
May 18, 2026	28.88	29.34	28.88	29.01	28.65	0.83%	2,480,484
May 15, 2026	29.12	29.22	28.49	28.77	28.41	-1.20%	3,184,158
May 14, 2026	29.04	29.33	28.96	29.12	28.76	1.43%	6,210,628
May 13, 2026	29.07	29.11	28.55	28.71	28.35	-1.31%	2,799,329
May 12, 2026	29.47	29.65	28.74	29.09	28.73	-1.12%	2,839,806
May 11, 2026	30.11	30.25	29.35	29.42	29.05	-2.06%	2,974,883
May 8, 2026	29.64	30.11	29.64	30.04	29.67	1.62%	3,398,957
May 7, 2026	30.24	30.46	29.46	29.56	29.19	-2.12%	2,331,422
May 6, 2026	30.10	30.38	29.96	30.20	29.82	1.65%	2,667,531
May 5, 2026	29.13	29.83	29.07	29.71	29.34	2.20%	2,396,334
May 4, 2026	29.36	29.47	28.94	29.07	28.71	-1.66%	2,583,394
May 1, 2026	29.44	29.98	29.28	29.56	29.19	-0.14%	1,835,409
Apr 30, 2026	29.11	29.91	28.94	29.60	29.23	1.65%	2,396,233
Apr 29, 2026	29.59	29.68	28.91	29.12	28.76	-1.69%	2,033,590
Apr 28, 2026	30.10	30.19	29.54	29.62	29.25	-0.77%	2,351,065
Apr 27, 2026	29.25	29.96	29.25	29.85	29.48	2.16%	2,419,668
Apr 24, 2026	29.05	29.73	28.78	29.22	28.86	-1.45%	3,183,337
Apr 23, 2026	29.13	29.80	28.97	29.65	29.28	2.24%	3,066,299
Apr 22, 2026	29.30	29.39	28.86	29.00	28.64	-0.31%	3,199,514
Apr 21, 2026	29.68	29.98	29.04	29.09	28.73	-1.99%	1,890,576
Apr 20, 2026	29.60	29.87	29.37	29.68	29.31	0.17%	2,243,793
Apr 17, 2026	29.40	30.11	29.37	29.63	29.26	2.28%	2,047,108
Apr 16, 2026	29.10	29.28	28.86	28.97	28.61	-0.45%	1,942,163
Apr 15, 2026	29.05	29.26	28.79	29.10	28.74	0.17%	1,550,182
Apr 14, 2026	28.96	29.28	28.92	29.05	28.69	-0.38%	1,402,922
Apr 13, 2026	28.82	29.20	28.59	29.16	28.80	0.69%	4,222,034
Apr 10, 2026	29.53	29.62	28.94	28.96	28.60	-2.06%	1,987,591
Apr 9, 2026	28.69	29.66	28.69	29.57	29.20	2.39%	2,751,327
Apr 8, 2026	28.56	29.23	28.56	28.88	28.52	4.34%	4,770,676
Apr 7, 2026	27.86	28.08	27.50	27.68	27.33	-1.28%	4,440,057
Apr 6, 2026	27.72	28.14	27.58	28.04	27.69	1.12%	2,049,853
Apr 2, 2026	27.41	27.89	27.23	27.73	27.38	-0.68%	2,328,675
Apr 1, 2026	27.65	28.25	27.57	27.92	27.57	1.79%	2,444,470
Mar 31, 2026	27.24	27.75	27.13	27.43	27.09	2.39%	4,530,799
Mar 30, 2026	26.81	27.08	26.57	26.79	26.46	0.34%	2,556,991
Mar 27, 2026	27.25	27.28	26.65	26.70	26.37	-2.77%	1,973,419
Mar 26, 2026	27.44	27.60	27.26	27.46	27.12	-0.51%	1,890,772
Mar 25, 2026	27.64	27.80	27.19	27.60	27.26	0.73%	2,337,720
Mar 24, 2026	26.71	27.52	26.61	27.40	27.06	1.97%	2,934,451

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