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 |
|---|---|---|---|
| Insider trade | 4 | 2024-06-04 | 2024-06-01 |
| New insider ownership | 3 | 2024-06-03 | 2024-05-23 |
| Activist ownership stake (update) | SC 13D/A | 2024-05-29 | - |
| Insider trade | 4 | 2024-05-29 | 2024-05-28 |
| Employee stock plan | S-8 | 2024-05-23 | - |
| Major company event | 8-K | 2024-05-23 | 2024-05-20 |
| Insider trade | 4 | 2024-05-15 | 2024-05-14 |
| Insider sale notice | 144 | 2024-05-14 | - |
| Insider sale notice | 144 | 2024-05-14 | - |
| Insider sale notice | 144 | 2024-05-14 | - |
| Proxy materials | DEFA14A | 2024-05-07 | - |
| Quarterly report | 10-Q | 2024-05-03 | 2024-03-31 |
| Proxy materials | DEFA14A | 2024-04-30 | - |
| Major company event | 8-K | 2024-04-24 | 2024-04-24 |
| Annual report to shareholders | ARS | 2024-04-11 | 2023-12-31 |
| Proxy materials | DEFA14A | 2024-04-11 | - |
| Proxy statement | DEF 14A | 2024-04-11 | 2024-04-11 |
| Activist ownership stake (update) | SC 13D/A | 2024-04-04 | - |
| Major company event | 8-K | 2024-04-04 | 2024-04-02 |
| Insider trade (amended) | 4/A | 2024-03-26 | 2024-03-15 |
| Insider trade (amended) | 4/A | 2024-03-26 | 2024-03-15 |
| Insider trade (amended) | 4/A | 2024-03-26 | 2024-03-15 |
| Insider trade (amended) | 4/A | 2024-03-26 | 2024-03-15 |
| Insider trade (amended) | 4/A | 2024-03-26 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-19 | 2024-03-15 |
| Insider trade | 4 | 2024-03-08 | 2024-03-07 |
| Insider sale notice | 144 | 2024-03-07 | - |
| Insider trade | 4 | 2024-03-07 | 2024-03-06 |
| Insider sale notice | 144 | 2024-03-06 | - |
| Annual report | 10-K | 2024-02-29 | 2023-12-31 |
| Insider trade | 4 | 2024-02-20 | 2024-02-15 |
| Annual insider summary | 5 | 2024-02-14 | 2023-12-31 |
| Insider trade (amended) | 4/A | 2024-02-14 | 2023-02-15 |
| Passive ownership stake (update) | SC 13G/A | 2024-02-13 | - |
| Insider trade | 4 | 2024-02-12 | 2024-02-09 |
| Passive ownership stake | SC 13G | 2024-02-09 | - |
| Insider trade | 4 | 2024-02-08 | 2024-02-07 |
| Insider sale notice | 144 | 2024-02-07 | - |
| Passive ownership stake | SC 13G | 2024-01-30 | - |
| Major company event | 8-K | 2024-01-30 | 2024-01-30 |
| Passive ownership stake (update) | SC 13G/A | 2024-01-26 | - |
| Annual insider summary | 5 | 2024-01-02 | 2023-12-31 |
| Activist ownership stake (update) | SC 13D/A | 2023-12-21 | - |
| Insider trade | 4 | 2023-12-19 | 2023-11-30 |