First Interstate BancSystem, Inc. (FIBK)

FIBK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 26, 2026	38.51	38.75	38.26	38.63	38.63	0.49%	2,373,745
Jun 25, 2026	37.95	38.64	37.68	38.44	38.44	1.48%	670,990
Jun 24, 2026	37.33	38.03	37.33	37.88	37.88	1.47%	888,552
Jun 23, 2026	36.61	37.36	36.61	37.33	37.33	1.69%	771,795
Jun 22, 2026	36.47	36.89	36.33	36.71	36.71	0.77%	888,593
Jun 18, 2026	36.00	36.54	35.88	36.43	36.43	2.22%	2,424,655
Jun 17, 2026	36.35	36.79	35.14	35.64	35.64	-2.41%	1,486,084
Jun 16, 2026	36.67	37.03	36.35	36.52	36.52	0.25%	753,456
Jun 15, 2026	37.39	37.63	36.37	36.43	36.43	-1.83%	802,293
Jun 12, 2026	36.63	37.17	36.63	37.11	37.11	1.50%	646,125
Jun 11, 2026	36.29	36.76	36.02	36.56	36.56	0.94%	891,974
Jun 10, 2026	36.08	36.58	36.08	36.22	36.22	0.33%	796,579
Jun 9, 2026	35.80	36.85	35.80	36.10	36.10	1.49%	829,705
Jun 8, 2026	35.65	36.03	35.56	35.57	35.57	-	713,808
Jun 5, 2026	35.66	36.03	35.41	35.57	35.57	-0.42%	1,088,967
Jun 4, 2026	34.89	35.74	34.86	35.72	35.72	4.08%	853,250
Jun 3, 2026	35.04	35.15	34.26	34.32	34.32	-2.56%	1,115,062
Jun 2, 2026	34.56	35.36	34.56	35.22	35.22	1.41%	691,737
Jun 1, 2026	35.25	35.27	34.45	34.73	34.73	-2.44%	932,357
May 29, 2026	36.01	36.01	35.55	35.60	35.60	-	1,310,754
May 28, 2026	35.52	35.63	35.04	35.60	35.60	-0.17%	957,568
May 27, 2026	35.86	36.05	35.42	35.66	35.66	-1.30%	1,109,176
May 26, 2026	35.67	36.14	35.61	36.13	36.13	1.80%	900,072
May 22, 2026	35.30	35.55	35.10	35.49	35.49	0.82%	1,251,666
May 21, 2026	34.91	35.49	34.80	35.20	35.20	0.06%	815,105
May 20, 2026	34.48	35.44	34.32	35.18	35.18	2.39%	1,164,033
May 19, 2026	34.31	34.56	34.00	34.36	34.36	-0.06%	970,090
May 18, 2026	34.44	34.79	34.24	34.38	34.38	0.88%	1,289,515
May 15, 2026	34.26	34.40	33.70	34.08	34.08	-0.76%	1,360,738
May 14, 2026	34.46	34.76	34.28	34.34	34.34	0.67%	863,499
May 13, 2026	34.65	34.93	33.83	34.11	34.11	-1.39%	1,709,567
May 12, 2026	35.25	35.34	34.38	34.59	34.59	-1.45%	1,701,961
May 11, 2026	36.08	36.19	35.01	35.10	35.10	-2.36%	1,724,700
May 8, 2026	36.34	36.54	36.04	36.42	35.95	0.47%	1,559,801
May 7, 2026	36.50	36.78	36.16	36.25	35.78	-0.37%	1,480,224
May 6, 2026	36.31	36.68	36.11	36.39	35.92	1.35%	1,219,706
May 5, 2026	35.23	36.09	34.99	35.90	35.44	2.60%	1,098,844
May 4, 2026	35.15	35.46	34.88	34.99	34.54	-1.30%	1,107,441
May 1, 2026	35.46	35.95	35.05	35.45	34.99	-0.11%	1,385,008
Apr 30, 2026	34.53	35.73	34.46	35.49	35.03	3.08%	2,670,941
Apr 29, 2026	35.66	35.77	34.39	34.43	33.99	-3.50%	1,880,208
Apr 28, 2026	35.62	35.83	35.37	35.68	35.22	0.99%	1,332,317
Apr 27, 2026	34.91	35.58	34.81	35.33	34.87	1.38%	1,767,292
Apr 24, 2026	34.84	35.02	34.28	34.85	34.40	-0.03%	1,278,982
Apr 23, 2026	34.63	34.93	34.40	34.86	34.41	1.10%	1,008,157
Apr 22, 2026	34.43	34.57	34.10	34.48	34.04	0.73%	998,143
Apr 21, 2026	34.49	34.75	34.10	34.23	33.79	-0.67%	869,222
Apr 20, 2026	34.40	34.96	34.40	34.46	34.02	-0.46%	789,481
Apr 17, 2026	34.27	35.12	34.12	34.62	34.17	2.52%	1,429,600
Apr 16, 2026	34.01	34.21	33.65	33.77	33.33	-0.88%	916,651

Data Source: S&P Global Market Intelligence Last updated: Jun 26, 2026

Historical price data is provided by S&P Global Market Intelligence. New prices are added after the close of each trading day, and past prices are adjusted for stock splits.

Update frequency:

Daily

Last checked:

Jun 27, 2026

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