First Interstate BancSystem, Inc. - FIBK - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	36.95	37.44	37.44	37.55	36.69	785,600
February 19, 2026	36.92	37.14	37.14	37.19	36.66	828,905
February 18, 2026	37.8	37.26	37.26	38.47	37.18	815,100
February 17, 2026	37.73	37.97	37.97	38.21	37.31	858,200
February 13, 2026	37.27	37.66	37.66	38.08	36.94	674,802
February 12, 2026	38.25	37.34	37.34	38.55	36.65	1.03M
February 11, 2026	38.5	37.93	37.93	38.84	37.59	964,400
February 10, 2026	38.51	38.14	38.14	38.68	37.82	738,200
February 09, 2026	38.56	39	38.53	39.26	38.37	981,600
February 06, 2026	38.37	38.82	38.82	39.17	38.32	1.2M
February 05, 2026	37.66	38	38	38.34	37.5	1.44M
February 04, 2026	37.8	38.14	38.14	38.7	37.8	914,622
February 03, 2026	36.84	37.6	37.6	38.02	36.8	1.39M
February 02, 2026	35.87	36.81	36.81	37.17	35.6	1.95M
January 30, 2026	35.74	35.47	35.47	36.17	35.38	2.11M
January 29, 2026	37.9	36.14	36.14	38.41	35.43	2.03M
January 28, 2026	36.97	36.66	36.66	37.35	36.56	759,647
January 27, 2026	36.74	36.86	36.86	37.04	36.67	431,473
January 26, 2026	36.66	36.72	36.72	37.04	36.19	571,200
January 23, 2026	38.02	36.66	36.66	38.35	36.49	677,046
January 22, 2026	38.12	38.22	38.22	38.78	38	1.11M
January 21, 2026	36.38	38.05	38.05	38.18	36.34	1.76M
January 20, 2026	36.16	36.11	36.11	36.8	35.95	914,820
January 16, 2026	37.18	36.85	36.85	37.35	36.83	1.33M
January 15, 2026	36.66	37.27	37.27	37.56	36.65	1.63M
January 14, 2026	36.35	36.53	36.53	36.61	35.97	1.69M
January 13, 2026	36.96	36.47	36.47	37.12	36.33	732,341
January 12, 2026	36.82	36.75	36.75	37.03	36.27	752,929
January 09, 2026	37.55	37.21	37.21	37.88	37.18	629,200
January 08, 2026	36.69	37.52	37.52	38.01	36.67	990,800
January 07, 2026	37.05	36.88	36.88	37.15	36.71	939,240
January 06, 2026	35.94	37.09	37.09	37.15	35.75	1.06M
January 05, 2026	35.1	36.05	36.05	36.39	35.1	1.13M
January 02, 2026	34.72	35.3	35.3	35.5	34.25	1.24M
December 31, 2025	35.21	34.6	34.6	35.24	34.59	671,818
December 30, 2025	35.81	35.15	35.15	35.81	35.14	912,654
December 29, 2025	35.93	35.77	35.77	36.03	35.53	820,500
December 26, 2025	35.89	35.93	35.93	35.97	35.53	928,612
December 24, 2025	35.86	35.86	35.86	35.92	35.67	429,925
December 23, 2025	36.11	35.9	35.9	36.29	35.77	1.28M
December 22, 2025	35.82	36.07	36.07	36.25	35.82	866,344
December 19, 2025	35.54	35.76	35.76	35.8	35.35	1.94M
December 18, 2025	35.73	35.59	35.59	35.99	35.28	1.35M
December 17, 2025	35.6	35.54	35.54	36.35	35.53	1.01M
December 16, 2025	35.65	35.57	35.57	35.84	35.48	1.36M
December 15, 2025	35.8	35.64	35.64	35.86	35.47	956,500
December 12, 2025	35.64	35.4	35.4	35.75	35.05	1.08M
December 11, 2025	35.51	35.47	35.47	36.05	35.35	1.71M
December 10, 2025	34.2	35.63	35.63	35.72	34.17	1.56M
December 09, 2025	33.92	34.2	34.2	34.45	33.87	1.26M
December 08, 2025	34.24	33.87	33.87	34.61	33.8	1.39M
December 05, 2025	33.52	34.11	34.11	34.41	33.52	1.21M
December 04, 2025	33.27	33.67	33.67	33.98	33.27	996,834
December 03, 2025	32.84	33.33	33.33	33.6	32.78	1.15M
December 02, 2025	33.09	32.78	32.78	33.3	32.72	1.76M
December 01, 2025	32.73	33.03	33.03	33.5	32.7	16.61M
November 28, 2025	33.02	32.84	32.84	33.24	32.7	1.47M
November 26, 2025	32.98	32.8	32.8	33.12	32.47	2.33M
November 25, 2025	33.51	33.13	33.13	34.25	33.05	4.86M
November 24, 2025	31.43	31.72	31.72	31.86	31.18	779,230

First Interstate BancSystem, Inc. (FIBK) NASDAQ