---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-26-000092"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2026-09-16T18:06:28+00:00"
generated_at: "2026-09-16T18:07:16.816815+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# First Interstate BancSystem appoints Jeff Lee as EVP & COO; base salary $480K

## Summary
- Employment agreement effective Sept 14, 2026; Lee named Executive VP and Chief Operations Officer of company and bank.
- Base salary $480,000/year, payable biweekly, reviewed annually; eligible for incentive comp and benefits.
- Severance without cause: 1x base salary plus 1x average bonus (prior 3 years), paid over 12 months; benefits 12 months.
- On change in control termination: 2x base salary plus 2x target bonus plus pro-rata bonus, paid over 12 months; benefits 24 months.
- 12-month non-compete/non-solicitation; extends to 18 months after change in control.

## SEC filing metadata
- accession: 0000860413-26-000092
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2026-09-16T18:06:28+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041326000092/0000860413-26-000092-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041326000092/fibk-20260914.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-26-000092
- JSON: https://secwatch.observer/filing/0000860413-26-000092.json
- Plain text: https://secwatch.observer/filing/0000860413-26-000092.txt

## Key facts
- Executive change
  Jeff Lee was appointed as Executive Vice President and Chief Operations Officer at FIRST INTERSTATE BANCSYSTEM INC.
  - Action: appointed
  - Role: Executive Vice President and Chief Operations Officer
  source text: With the execution of the Employment Agreement, the previously announced appointment of Mr. Lee as Executive Vice President and Chief Operations Officer of the Company and the Bank became effective.
  evidence_url: https://www.sec.gov/Archives/edgar/data/860413/000086041326000092/0000860413-26-000092-index.htm

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