---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-130813"
form_type: "8-K"
ticker: "FBIZ"
cik: "0001521951"
company_name: "FIRST BUSINESS FINANCIAL SERVICES, INC."
filed_at: "2024-12-20T23:59:59+00:00"
generated_at: "2026-05-29T00:16:11.192533+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Director Carol P. Sanders resigns; board reduced to seven; Kauten named Audit Chair

## Summary
- Carol P. Sanders resigned from the Board effective Dec 17, 2024; no disagreement with Company.
- Board reduced from nine to seven seats; vacancies from resignation and death of John J. Harris.
- Ralph R. Kauten appointed Chair of Audit Committee; qualifies as audit committee financial expert.
- Jerry L. Kilcoyne (Board Chair) joins Audit Committee; W. Kent Lorenz joins Compensation Committee.

## SEC filing metadata
- accession: 0001104659-24-130813
- form_type: 8-K
- ticker: FBIZ
- cik: 0001521951
- company_name: FIRST BUSINESS FINANCIAL SERVICES, INC.
- filed_at: 2024-12-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521951/000110465924130813/0001104659-24-130813-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521951/000110465924130813/tm2430994d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-130813
- JSON: https://secwatch.observer/filing/0001104659-24-130813.json
- Plain text: https://secwatch.observer/filing/0001104659-24-130813.txt

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