---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-25-000147"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2025-09-09T23:59:59+00:00"
generated_at: "2026-05-17T07:25:55.370516+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# First Interstate splits CBO role into co-CBOs; hires Chris Shepler from Wells Fargo

## Summary
- Lorrie Asker (current CBO) appointed Co-CBO covering Arizona, Idaho, Montana, Oregon, Washington, Wyoming.
- Chris Shepler joins from Wells Fargo as Co-CBO covering Colorado, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota.
- Effective September 10, 2025; no changes to Asker's employment terms other than title and responsibilities.

## SEC filing metadata
- accession: 0000860413-25-000147
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2025-09-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041325000147/0000860413-25-000147-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041325000147/fibk-20250903.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-25-000147
- JSON: https://secwatch.observer/filing/0000860413-25-000147.json
- Plain text: https://secwatch.observer/filing/0000860413-25-000147.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.