---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-154867"
form_type: "8-K"
ticker: "FBIZ"
cik: "0001521951"
company_name: "FIRST BUSINESS FINANCIAL SERVICES, INC."
filed_at: "2026-04-14T23:59:59+00:00"
generated_at: "2026-05-15T06:22:13.579804+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# First Business Financial Services vests PRSUs for NEOs at 'Superior' performance level

## Summary
- Compensation Committee determined 'Superior' TSR and ROATCE performance for 2023-2025 PRSUs.
- President & CEO Corey Chambas vested 10,370 shares; total NEO vesting of 23,810 shares.
- Other NEOs: Hartlieb 2,730, Quade 2,740, Seiler 4,780, Spielmann 3,190 shares vested.
- Vesting effective April 9, 2026; shares issued under 2023 Long-Term Incentive Plan.

## SEC filing metadata
- accession: 0001193125-26-154867
- form_type: 8-K
- ticker: FBIZ
- cik: 0001521951
- company_name: FIRST BUSINESS FINANCIAL SERVICES, INC.
- filed_at: 2026-04-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1521951/000119312526154867/0001193125-26-154867-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1521951/000119312526154867/fbiz-20260409.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-154867
- JSON: https://secwatch.observer/filing/0001193125-26-154867.json
- Plain text: https://secwatch.observer/filing/0001193125-26-154867.txt

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