| (Values in U.S. Thousands) | Sep, 2025 | Jun, 2025 | Mar, 2025 | Dec, 2024 | Sep, 2024 |
| Sales | 335,700 | 338,600 | 345,300 | 372,800 | 374,400 |
| Sales Growth | -0.86% | -1.94% | -7.38% | -0.43% | +2.13% |
| Net Income | 71,400 | 71,700 | 50,200 | 52,100 | 55,500 |
| Net Income Growth | -0.42% | +42.83% | -3.65% | -6.13% | -7.50% |
First Interstate Ban (FIBK)
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First Interstate BancSystem, Inc. is a financial and bank holding company. Through its wholly-owned subsidiary, First Interstate Bank, it delivers a range of banking products and services to individuals, businesses, municipalities and other entities throughout its market areas. The Company's banking products and services include demand, time, checking, and savings deposits. The Company's loan portfolio consists of a mix of real estate, consumer, commercial, agricultural, and other loans, including fixed and variable rate loans. Its real estate loans comprise commercial real estate, construction, residential, agricultural, and other real estate loans. It also provides a range of trust, employee benefit, investment management, insurance, agency, and custodial services to individuals, businesses, and nonprofit organizations. First Interstate BancSystem, Inc. is headquartered in Billings, Montana.
Fiscal Year End Date: 12/31