First Interstate BancSystem, Inc. (FIBK)

NASDAQ: FIBK · Real-Time Price · USD

37.04

-0.23 (-0.62%)

At close: Aug 28, 2026, 4:00 PM EDT

37.04

0.00 (0.00%)

After-hours: Aug 28, 2026, 4:20 PM EDT

FIBK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 28, 2026	37.27	37.62	36.98	37.04	37.04	-0.62%	801,047
Aug 27, 2026	36.92	37.28	36.71	37.27	37.27	0.19%	596,590
Aug 26, 2026	37.20	37.42	36.92	37.20	37.20	0.38%	632,318
Aug 25, 2026	37.37	37.38	36.88	37.06	37.06	-0.48%	749,636
Aug 24, 2026	37.46	37.89	37.19	37.24	37.24	-0.67%	1,006,998
Aug 21, 2026	38.25	38.33	37.45	37.49	37.49	-0.85%	1,075,551
Aug 20, 2026	37.78	37.98	37.55	37.81	37.81	-0.08%	837,032
Aug 19, 2026	38.46	38.49	37.69	37.84	37.84	-1.61%	886,910
Aug 18, 2026	38.89	39.04	38.38	38.46	38.46	-1.11%	894,720
Aug 17, 2026	39.03	39.46	38.89	38.89	38.89	-0.71%	903,528
Aug 14, 2026	38.75	39.27	38.75	39.17	39.17	0.85%	884,389
Aug 13, 2026	38.81	39.09	38.69	38.84	38.84	0.80%	688,183
Aug 12, 2026	38.30	38.64	37.88	38.53	38.53	1.34%	975,099
Aug 11, 2026	37.63	38.13	37.41	38.02	38.02	1.71%	930,559
Aug 10, 2026	37.22	37.56	37.04	37.38	37.38	-0.40%	943,364
Aug 7, 2026	37.32	37.77	37.17	37.53	37.53	0.29%	878,865
Aug 6, 2026	38.17	38.32	37.39	37.42	37.42	-1.71%	1,120,982
Aug 5, 2026	38.52	38.53	38.03	38.07	38.07	-0.86%	1,095,849
Aug 4, 2026	38.10	38.84	37.99	38.40	38.40	0.79%	1,585,673
Aug 3, 2026	37.80	38.62	37.80	38.57	38.10	1.45%	1,119,475
Jul 31, 2026	38.65	38.75	37.94	38.02	37.56	-1.14%	1,015,606
Jul 30, 2026	38.04	38.67	37.95	38.46	37.99	1.88%	1,103,258
Jul 29, 2026	38.08	38.11	37.54	37.75	37.29	-0.89%	1,480,762
Jul 28, 2026	38.00	38.42	37.76	38.09	37.63	0.87%	2,118,138
Jul 27, 2026	38.28	38.66	37.74	37.76	37.30	-0.94%	1,599,417
Jul 24, 2026	37.68	38.52	37.54	38.12	37.66	0.05%	1,996,797
Jul 23, 2026	37.90	38.10	37.59	38.10	37.64	-0.76%	1,759,266
Jul 22, 2026	38.94	38.94	38.29	38.39	37.92	-1.49%	821,509
Jul 21, 2026	38.52	38.98	38.18	38.97	38.50	1.09%	987,502
Jul 20, 2026	39.24	39.25	38.47	38.55	38.08	-1.61%	918,327
Jul 17, 2026	39.83	39.94	38.86	39.18	38.70	-2.59%	1,659,657
Jul 16, 2026	39.36	40.60	39.00	40.22	39.73	2.21%	1,910,171
Jul 15, 2026	39.13	40.06	38.96	39.35	38.87	1.05%	1,660,513
Jul 14, 2026	38.83	39.26	38.74	38.94	38.47	0.28%	897,822
Jul 13, 2026	38.94	39.05	38.58	38.83	38.36	-0.05%	887,851
Jul 10, 2026	39.05	39.25	38.69	38.85	38.38	-0.15%	629,556
Jul 9, 2026	38.38	39.21	38.38	38.91	38.44	1.73%	754,964
Jul 8, 2026	39.06	39.11	37.95	38.25	37.78	-2.32%	1,220,015
Jul 7, 2026	39.50	39.54	39.08	39.16	38.68	-0.56%	848,589
Jul 6, 2026	38.95	39.40	38.92	39.38	38.90	0.59%	797,909
Jul 2, 2026	39.50	39.65	38.69	39.15	38.67	-0.28%	911,428
Jul 1, 2026	38.50	39.33	38.34	39.26	38.78	1.82%	1,280,367
Jun 30, 2026	38.41	38.58	38.20	38.56	38.09	-0.08%	1,240,141
Jun 29, 2026	38.33	38.61	37.87	38.59	38.12	-0.10%	979,765
Jun 26, 2026	38.51	38.75	38.26	38.63	38.16	0.49%	2,415,016
Jun 25, 2026	37.95	38.64	37.68	38.44	37.97	1.48%	670,990
Jun 24, 2026	37.33	38.03	37.33	37.88	37.42	1.47%	888,637
Jun 23, 2026	36.61	37.36	36.61	37.33	36.88	1.69%	771,796
Jun 22, 2026	36.47	36.89	36.33	36.71	36.26	0.77%	888,796
Jun 18, 2026	36.00	36.54	35.88	36.43	35.99	2.22%	2,426,846