FIBK - CIK 0000860413
FIRST INTERSTATE BANCSYSTEM INC has filed 2,932 documents with the SEC 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.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2020-05-14 | 2020-05-13 |
| Free writing prospectus | FWP | 2020-05-13 | - |
| 305B2 | - | 2020-05-12 | - |
| Major company event | 8-K | 2020-05-12 | 2020-05-11 |
| Prospectus supplement | 424B5 | 2020-05-11 | - |
| Free writing prospectus | FWP | 2020-05-11 | - |
| Quarterly report | 10-Q | 2020-05-11 | 2020-03-31 |
| Insider trade | 4 | 2020-05-07 | 2020-05-06 |
| Major company event | 8-K | 2020-05-06 | 2020-05-05 |
| Insider trade | 4 | 2020-05-06 | 2020-05-05 |
| Major company event | 8-K | 2020-04-30 | 2020-04-30 |
| Major company event | 8-K | 2020-04-30 | 2020-04-30 |
| Insider trade (amended) | 4/A | 2020-04-24 | 2020-02-25 |
| Insider trade | 4 | 2020-04-23 | 2020-04-22 |
| Major company event | 8-K | 2020-04-15 | 2020-04-15 |
| Proxy materials | DEFA14A | 2020-04-15 | - |
| EFFECT | - | 2020-03-23 | - |
| Major company event | 8-K | 2020-03-23 | 2020-03-20 |
| Proxy statement | DEF 14A | 2020-03-20 | 2020-05-05 |
| POS AM | - | 2020-03-18 | - |
| Major company event | 8-K | 2020-03-18 | 2020-03-18 |
| Insider trade | 4 | 2020-03-17 | 2020-03-13 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-16 |
| Insider trade | 4 | 2020-03-17 | 2020-03-13 |
| Insider trade | 4 | 2020-03-17 | 2020-03-13 |
| Insider trade | 4 | 2020-03-17 | 2020-03-13 |
| S-3ASR | - | 2020-03-16 | - |
| Insider trade | 4 | 2020-03-16 | 2020-03-12 |
| Activist ownership stake (update) | SC 13D/A | 2020-03-12 | - |
| Insider trade | 4 | 2020-03-06 | 2020-03-05 |
| Insider trade | 4 | 2020-03-06 | 2020-03-05 |
| Insider trade | 4 | 2020-03-06 | 2020-03-05 |
| Insider trade | 4 | 2020-03-06 | 2020-03-05 |
| New insider ownership | 3 | 2020-03-04 | 2020-02-21 |
| New insider ownership | 3 | 2020-02-27 | 2020-02-21 |
| Annual report | 10-K | 2020-02-27 | 2019-12-31 |
| Insider trade | 4 | 2020-02-26 | 2020-02-25 |
| Insider trade | 4 | 2020-02-24 | 2020-02-18 |
| New insider ownership | 3 | 2020-02-24 | 2020-01-06 |
| Major company event | 8-K | 2020-02-21 | 2020-02-18 |
| Activist ownership stake (update) | SC 13D/A | 2020-02-21 | - |
| New insider ownership | 3 | 2020-02-20 | 2020-02-19 |
| Insider trade | 4 | 2020-02-19 | 2020-02-18 |