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 |
|---|---|---|---|---|
| 425 | 425 | 4y ago2021-12-23 | - | View filing |
| 8-K | Major company event | 4y ago2021-12-23 | 2021-12-22 | View filing |
| EFFECT | EFFECT | 4y ago2021-12-16 | - | View filing |
| 424B3 | 424B3 | 4y ago2021-12-16 | - | View filing |
| 4 | Insider trade | 4y ago2021-12-16 | 2021-12-14 | View filing |
| CORRESP | Company correspondence | 4y ago2021-12-14 | - | View filing |
| S-4/A | S-4/A | 4y ago2021-12-14 | - | View filing |
| 4 | Insider trade | 4y ago2021-12-14 | 2021-12-14 | View filing |
| 4 | Insider trade | 4y ago2021-12-14 | 2021-12-13 | View filing |
| 4 | Insider trade | 4y ago2021-12-14 | 2021-12-13 | View filing |
| 4 | Insider trade | 4y ago2021-12-13 | 2021-12-10 | View filing |
| 4 | Insider trade | 4y ago2021-12-10 | 2021-12-10 | View filing |
| 4 | Insider trade | 4y ago2021-12-10 | 2021-12-08 | View filing |
| 4 | Insider trade | 4y ago2021-11-29 | 2021-11-26 | View filing |
| 4 | Insider trade | 4y ago2021-11-29 | 2021-11-24 | View filing |
| 4 | Insider trade | 4y ago2021-11-18 | 2021-11-18 | View filing |
| UPLOAD | SEC correspondence | 4y ago2021-11-09 | - | View filing |
| S-4 | S-4 | 4y ago2021-11-04 | - | View filing |
| 10-Q | Quarterly report | 4y ago2021-11-04 | 2021-09-30 | View filing |
| 425 | 425 | 4y ago2021-10-29 | - | View filing |
| 425 | 425 | 4y ago2021-10-29 | - | View filing |
| 8-K | Major company event | 4y ago2021-10-26 | 2021-10-25 | View filing |
| 425 | 425 | 4y ago2021-09-21 | - | View filing |
| 425 | 425 | 4y ago2021-09-21 | - | View filing |
| 425 | 425 | 4y ago2021-09-20 | - | View filing |
| 8-K | Major company event | 4y ago2021-09-20 | 2021-09-15 | View filing |
| 425 | 425 | 4y ago2021-09-20 | - | View filing |
| 425 | 425 | 4y ago2021-09-17 | - | View filing |
| 425 | 425 | 4y ago2021-09-17 | - | View filing |
| 425 | 425 | 4y ago2021-09-17 | - | View filing |
| SC 13D/A | Activist ownership stake (update) | 4y ago2021-09-17 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 425 | 425 | 4y ago2021-09-16 | - | View filing |
| 8-K | Major company event | 4y ago2021-09-16 | 2021-09-15 | View filing |
| 8-K/A | Major company event (amended) | 4y ago2021-08-23 | 2021-08-19 | View filing |
| 8-K | Major company event | 4y ago2021-08-20 | 2021-08-19 | View filing |
| 10-Q | Quarterly report | 4y ago2021-08-06 | 2021-06-30 | View filing |
| 8-K | Major company event | 4y ago2021-07-27 | 2021-07-26 | View filing |
| 8-K | Major company event | 4y ago2021-07-15 | 2021-07-14 | View filing |
| 4 | Insider trade | 4y ago2021-07-13 | 2021-05-24 | View filing |
| 4 | Insider trade | 5y ago2021-06-02 | 2021-06-01 | View filing |
| 4 | Insider trade | 5y ago2021-06-02 | 2021-06-01 | View filing |
| 4 | Insider trade | 5y ago2021-06-02 | 2021-06-01 | View filing |
| 4 | Insider trade | 5y ago2021-06-02 | 2021-06-01 | View filing |