secwatch.observer — SEC 8-K summary
======================================

Issuer:     FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK:        0000860413
Form:       8-K
Filed at:   2025-09-09T23:59:59+00:00
Accession:  0000860413-25-000147
Event type: leadership
Sentiment:  neutral
Materiality: 0.60
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

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

- 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.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/860413/000086041325000147/0000860413-25-000147-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/860413/000086041325000147/fibk-20250903.htm
  HTML page:      https://secwatch.observer/filing/0000860413-25-000147

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer