---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-25-000135"
form_type: "8-K/A"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2025-08-29T23:59:59+00:00"
generated_at: "2026-05-17T09:21:29.711513+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# FIBK appoints Scudder to Audit and Risk Committees effective Aug 28, 2025

## Summary
- Michael L. Scudder appointed as Class I director on Aug 13, 2025, filling a vacancy due to board size increase.
- Effective Aug 28, 2025, Scudder assigned to the Audit Committee and Risk Committee.
- Amendment filed solely to report committee assignments; original 8-K unchanged.
- Scudder's term expires at the 2028 annual meeting.

## SEC filing metadata
- accession: 0000860413-25-000135
- form_type: 8-K/A
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2025-08-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041325000135/0000860413-25-000135-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041325000135/fibk-20250813.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-25-000135
- JSON: https://secwatch.observer/filing/0000860413-25-000135.json
- Plain text: https://secwatch.observer/filing/0000860413-25-000135.txt

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