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

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 17, 2025	29.74	29.9	29.9	30.08	29.44	878,805
October 16, 2025	31.32	29.31	29.31	31.48	29.1	1.64M
October 15, 2025	32.48	31.53	31.53	32.55	31.35	777,200
October 14, 2025	30.83	32.3	32.3	32.57	30.83	863,600
October 13, 2025	31.11	31.21	31.21	31.27	30.5	680,038
October 10, 2025	31.68	30.36	30.36	31.96	30.32	990,334
October 09, 2025	31.76	31.35	31.35	31.91	31.27	706,417
October 08, 2025	31.86	31.72	31.72	32.07	31.6	521,400
October 07, 2025	32.13	31.84	31.84	32.4	31.81	739,400
October 06, 2025	32.16	32	32	32.6	31.82	1.03M
October 03, 2025	31.7	31.89	31.89	32.32	31.7	554,448
October 02, 2025	31.74	31.69	31.69	31.91	31.28	810,809
October 01, 2025	31.68	31.75	31.75	31.92	31.34	793,738
September 30, 2025	32.12	31.87	31.87	32.31	31.4	959,400
September 29, 2025	32.55	32.13	32.13	32.65	31.91	769,300
September 26, 2025	32.85	32.55	32.55	33.1	32.3	1.06M
September 25, 2025	32.78	32.69	32.69	32.88	32.48	738,394
September 24, 2025	33.24	33.06	33.06	33.8	32.87	1.06M
September 23, 2025	32.76	33.25	33.25	33.32	32.65	1.7M
September 22, 2025	33.3	32.73	32.73	33.39	32.55	549,548
September 19, 2025	33.84	33.45	33.45	33.99	33.45	2.19M
September 18, 2025	32.44	33.84	33.84	33.9	32.44	1.78M
September 17, 2025	32.23	32.44	32.44	33.36	32.16	836,831
September 16, 2025	32.34	32.06	32.06	32.52	31.76	797,123
September 15, 2025	32.74	32.42	32.42	32.94	32.38	627,815
September 12, 2025	32.59	32.68	32.68	32.92	32.39	743,047
September 11, 2025	32.17	32.48	32.48	32.62	32	732,000
September 10, 2025	32.48	32.12	32.12	32.79	32.02	1.05M
September 09, 2025	32.81	32.49	32.49	32.99	32.43	2.8M
September 08, 2025	32.68	32.86	32.86	32.89	32.35	480,000
September 05, 2025	32.99	32.55	32.55	33.25	32.29	432,300
September 04, 2025	32.67	32.83	32.83	32.84	32.39	533,300
September 03, 2025	32.36	32.48	32.48	32.93	32.11	710,437
September 02, 2025	32.29	32.56	32.56	32.58	32.09	960,100
August 29, 2025	32.32	32.72	32.72	33.01	32.27	1.07M
August 28, 2025	32.35	32.05	32.05	32.39	31.94	562,900
August 27, 2025	31.87	32.2	32.2	32.27	31.87	554,220
August 26, 2025	31.83	31.93	31.93	32.1	31.67	689,400
August 25, 2025	31.78	31.83	31.83	31.97	31.64	690,517
August 22, 2025	30.21	31.99	31.99	32.1	30.21	1.03M
August 21, 2025	30	30.03	30.03	30.26	29.87	411,600
August 20, 2025	30.24	30.22	30.22	30.55	30.02	533,613
August 19, 2025	30.25	30.16	30.16	30.6	30.09	486,600
August 18, 2025	30.04	30.33	30.33	30.34	29.84	418,633
August 15, 2025	30.71	30.04	30.04	30.8	29.97	941,900
August 14, 2025	30.13	30.61	30.61	30.69	29.86	501,257
August 13, 2025	30.08	30.59	30.59	30.69	30.02	751,331
August 12, 2025	29.09	30.05	30.05	30.09	28.94	903,700
August 11, 2025	28.92	28.84	28.84	28.99	28.64	664,806
August 08, 2025	29.11	29.24	29.24	29.38	28.85	840,446
August 07, 2025	29.53	28.8	28.8	29.53	28.57	887,200
August 06, 2025	29.75	29.17	29.17	29.97	29.04	1.01M
August 05, 2025	29.38	29.71	29.71	29.78	28.88	1.33M
August 04, 2025	28.61	29.28	29.28	29.3	28.44	1.09M
August 01, 2025	28.28	28.41	28.41	28.61	27.6	1.21M
July 31, 2025	28.73	28.79	28.79	28.93	28.35	1.25M
July 30, 2025	29.34	28.6	28.6	29.6	28.24	1.94M
July 29, 2025	29.91	29.38	29.38	30	29.17	1.02M
July 28, 2025	29.69	29.65	29.65	29.8	29.55	599,907
July 25, 2025	29.49	29.73	29.73	29.73	29.06	734,400

First Interstate BancSystem, Inc. (FIBK) NASDAQ