FIBK - Company ID 0000860413
FIRST INTERSTATE BANCSYSTEM INC has filed 2,932 public company documents between 1996 and 2026. The most frequent type is insider trade (1,721 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 8-K/A | Major company event (amended) | 10mo ago2025-08-29 | 2025-08-13 | View filing |
| 8-K/A | Major company event (amended) | 4y ago2022-04-19 | 2022-02-01 | View filing |
| 8-K/A | Major company event (amended) | 4y ago2021-08-23 | 2021-08-19 | View filing |
| 8-K/A | Major company event (amended) | 5y ago2021-05-26 | 2021-05-26 | View filing |
| 8-K/A | Major company event (amended) | 5y ago2020-07-28 | 2020-07-28 | View filing |
| 8-K/A | Major company event (amended) | 8y ago2017-08-15 | 2017-08-14 | View filing |
| 8-K/A | Major company event (amended) | 9y ago2017-06-15 | 2017-06-15 | View filing |
| 8-K/A | Major company event (amended) | 14y ago2011-09-09 | 2011-05-24 | View filing |
| 8-K/A | Major company event (amended) | 16y ago2010-03-10 | 2010-03-10 | View filing |
| 8-K/A | Major company event (amended) | 19y ago2007-02-07 | 2007-02-02 | View filing |
| 8-K/A | Major company event (amended) | 25y ago2001-06-08 | 2001-05-25 | View filing |
| 8-K/A | Major company event (amended) | 29y ago1996-12-16 | 1996-10-01 | View filing |