BILLINGS, Mont., July 08, 2025--First Interstate BancSystem, Inc. (NASDAQ: FIBK), parent company of First Interstate Bank, will report second quarter results after the market closes on Tuesday ...

First Interstate BancSystem Inc. (Nasdaq: FIBK), a Billings-based institution, is acquiring Sioux Falls-headquartered Great Western Bancorp Inc. (NYSE: GWB) in an all-stock transaction valued at ab… ...

Ownership of Idaho Independent Bank will switch to First Interstate Bank when a merger between the two companies takes effect. Idaho Independent Bank, which includes this branch at 401 W. Front St ...