# First Interstate Bancsystem Inc: Form 8-K, filed Jan 28, 2026

- Company: [First Interstate Bancsystem Inc](/companies/fibk.md) (CIK 860413)
- Form: 8-K
- Filed: 2026-01-28
- Accepted by EDGAR: Jan 28, 2026, 16:10 ET
- Period: 2026-01-28
- Accession: 0000860413-26-000007
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/860413/000086041326000007/fibk-20260128.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/860413/000086041326000007/

## Items reported

- Item 2.02: Results of operations
- Item 7.01: Regulation FD disclosure
- Item 8.01: Other events
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/860413/000086041326000007/fibk-20260128.htm

Filed Jan 28, 2026.
Source: SEC EDGAR, the filing index for accession 0000860413-26-000007. Last ingested by Listed: Nov 3, 2026, 14:55 ET. No prices; not investment advice.