NASDAQ:FIBK | News | FIRST INTERSTATE BANCSYSTEM INC

FIBK News

Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.

DateTypePublisherHeadlineSummary
2026-08-21Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2026-07-23Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2026-07-16Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2026-07-09Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2026-05-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,5.03,5.07,9.01.
2026-05-13Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2026-04-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2026-01-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2025-11-18Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2025-10-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01.
2025-10-16Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2025-10-14Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2025-09-09Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,7.01,9.01.
2025-09-02Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2025-08-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/AFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/A covering items 5.02.
2025-08-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2025-08-18Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 1.02,8.01,9.01.
2025-08-15Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2025-07-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2025-07-03Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2025-06-10Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 1.01,2.03,9.01.
2025-06-06Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,8.01,9.01.
2025-06-02Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,7.01,9.01.
2025-06-02Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2025-05-23Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,5.03,5.07,9.01.
2025-04-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2025-04-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2025-03-19Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2025-02-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2025-02-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,7.01,9.01.
2025-01-29Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2025-01-10Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,2.06,9.01.
2024-10-24Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2024-10-09Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,7.01,9.01.
2024-07-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2024-07-12Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2024-06-14Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2024-05-23Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,5.07,7.01.
2024-04-24Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2024-04-04Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2024-01-30Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2023-12-14Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 1.01,9.01.
2023-12-01Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2023-11-30Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 4.01,9.01.
2023-10-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2023-08-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2023-07-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2023-06-30Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2023-05-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 3.03,5.02,5.03,5.07,9.01.
2023-05-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,9.01.
2023-04-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2023-03-16Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.03,9.01.
2023-02-10Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2023-01-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2023-01-13Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2022-10-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2022-10-03Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2022-07-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2022-05-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.07,9.01.
2022-05-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2022-04-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2022-04-19Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/AFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/A covering items 9.01.
2022-03-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 3.03,8.01,9.01.
2022-03-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2022-03-21Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2022-02-25Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2022-02-01Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.01,2.03,5.02,5.03,7.01,8.01,9.01.
2022-01-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2022-01-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2022-01-20Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,5.03,5.07,8.01,9.01.
2022-01-10Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01.
2021-12-23Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2021-10-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2021-09-20Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 1.01,9.01.
2021-09-16Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2021-08-23Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/AFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/A covering items 5.02,9.01.
2021-08-20Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2021-07-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2021-07-15Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02,9.01.
2021-05-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.07,9.01.
2021-05-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,9.01.
2021-05-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/AFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/A covering items 2.02,9.01.
2021-04-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2021-02-17Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.02.
2021-01-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,7.01,8.01,9.01.
2020-10-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2020-10-26Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,8.01,9.01.
2020-09-14Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2020-08-24Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2020-07-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2020-07-28Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/AFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K/A covering items 7.01,9.01.
2020-07-27Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,8.01,9.01.
2020-05-18Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 1.01,2.03,9.01.
2020-05-14Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,8.01,9.01.
2020-05-12Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.
2020-05-06Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 5.07,7.01,9.01.
2020-04-30Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 2.02,8.01,9.01.
2020-04-30Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01.
2020-04-15Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 8.01,9.01.
2020-03-23Current reportSEC filingFIRST INTERSTATE BANCSYSTEM INC filed Form 8-KFIRST INTERSTATE BANCSYSTEM INC filed Form 8-K covering items 7.01,9.01.