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 |
|---|---|---|---|---|
| 4 | Insider trade | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 4 | Insider trade | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 4 | Insider trade | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 4 | Insider trade | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 4 | Insider trade | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 4 | Insider trade | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 8-K | Major company event | 16y ago2010-05-11 | 2010-05-07 | View filing |
| 10-Q | Quarterly report | 16y ago2010-05-03 | 2010-03-31 | View filing |
| 8-K | Major company event | 16y ago2010-04-22 | 2010-04-22 | View filing |
| 8-K | Major company event | 16y ago2010-03-29 | 2010-03-25 | View filing |
| DEFA14A | Proxy materials | 16y ago2010-03-26 | - | View filing |
| DEFA14A | Proxy materials | 16y ago2010-03-26 | - | View filing |
| DEF 14A | Proxy statement | 16y ago2010-03-26 | 2010-05-07 | View filing |
| 424B4 | 424B4 | 16y ago2010-03-24 | - | View filing |
| 8-K | Major company event | 16y ago2010-03-24 | 2010-03-23 | View filing |
| EFFECT | EFFECT | 16y ago2010-03-23 | - | View filing |
| S-1MEF | S-1MEF | 16y ago2010-03-23 | - | View filing |
| S-1/A | S-1/A | 16y ago2010-03-23 | - | View filing |
| CORRESP | Company correspondence | 16y ago2010-03-22 | - | View filing |
| 8-K | Major company event | 16y ago2010-03-22 | 2010-03-19 | View filing |
| FWP | Free writing prospectus | 16y ago2010-03-22 | - | View filing |
| FWP | Free writing prospectus | 16y ago2010-03-22 | - | View filing |
| CORRESP | Company correspondence | 16y ago2010-03-19 | - | View filing |
| CORRESP | Company correspondence | 16y ago2010-03-19 | - | View filing |
| 4/A | Insider trade (amended) | 16y ago2010-03-16 | 2010-03-16 | View filing |
| 4 | Insider trade | 16y ago2010-03-16 | 2010-03-16 | View filing |
| RW | RW | 16y ago2010-03-12 | - | View filing |
| RW WD | RW WD | 16y ago2010-03-12 | - | View filing |
| 8-A12G/A | 8-A12G/A | 16y ago2010-03-12 | - | View filing |
| RW | RW | 16y ago2010-03-11 | - | View filing |
| S-1/A | S-1/A | 16y ago2010-03-10 | - | View filing |
| 8-K/A | Major company event (amended) | 16y ago2010-03-10 | 2010-03-10 | View filing |
| 8-A12B/A | 8-A12B/A | 16y ago2010-03-10 | - | View filing |
| CERTNAS | CERTNAS | 16y ago2010-03-09 | - | View filing |
| 8-A12B | 8-A12B | 16y ago2010-03-09 | - | View filing |
| 4 | Insider trade | 16y ago2010-03-08 | 2010-03-04 | View filing |
| 8-K | Major company event | 16y ago2010-03-08 | 2010-03-05 | View filing |
| UPLOAD | SEC correspondence | 16y ago2010-03-08 | - | View filing |
| 4 | Insider trade | 16y ago2010-03-04 | 2010-02-05 | View filing |
| CORRESP | Company correspondence | 16y ago2010-03-02 | - | View filing |
| S-1/A | S-1/A | 16y ago2010-03-02 | - | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-22 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-22 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-12 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-22 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-22 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-12 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-12 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-12 | View filing |
| 4 | Insider trade | 16y ago2010-02-22 | 2010-02-12 | View filing |