---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-104126"
form_type: "8-K"
ticker: "FBIZ"
cik: "0001521951"
company_name: "FIRST BUSINESS FINANCIAL SERVICES, INC."
filed_at: "2026-03-12T23:59:59+00:00"
generated_at: "2026-05-15T13:16:38.838898+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CEO Corey Chambas to retire May 2, 2026; 2025 revenue +10%, EPS +>14%

## Summary
- CEO Corey Chambas to retire effective May 2, 2026; President Dave Seiler to succeed as CEO.
- 2025 top-line revenue grew 10% YoY; pre-tax pre-provision earnings and EPS each grew >14%.
- Core deposits increased 12% over 2024; core deposit funding mix reached 75% at year-end.
- Non-interest income CAGR of 12% over 20 years; private wealth fees grew >14% annually.
- Employee engagement score of 85% vs industry benchmark 78%; NPS of 78 beat top banks.

## SEC filing metadata
- accession: 0001193125-26-104126
- form_type: 8-K
- ticker: FBIZ
- cik: 0001521951
- company_name: FIRST BUSINESS FINANCIAL SERVICES, INC.
- filed_at: 2026-03-12T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521951/000119312526104126/0001193125-26-104126-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521951/000119312526104126/fbiz-20260312.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-104126
- JSON: https://secwatch.observer/filing/0001193125-26-104126.json
- Plain text: https://secwatch.observer/filing/0001193125-26-104126.txt

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