# First Interstate Bancsystem Inc: Form 8-K/A, filed Aug 29, 2025

- Company: [First Interstate Bancsystem Inc](/companies/fibk.md) (CIK 860413)
- Form: 8-K/A
- Filed: 2025-08-29
- Accepted by EDGAR: Aug 29, 2025, 16:20 ET
- Period: 2025-08-13
- Accession: 0000860413-25-000135
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/860413/000086041325000135/fibk-20250813.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/860413/000086041325000135/

## Items reported

- Item 5.02: Departure or appointment of officers or directors

## 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/860413/000086041325000135/fibk-20250813.htm

Filed Aug 29, 2025.
Source: SEC EDGAR, the filing index for accession 0000860413-25-000135. Last ingested by Listed: Nov 3, 2026, 14:55 ET. No prices; not investment advice.