---
schema_version: "secwatch.filing_event.v1"
accession: "0000939057-26-000205"
form_type: "8-K"
ticker: "FSBW"
cik: "0001530249"
company_name: "FS Bancorp, Inc."
filed_at: "2026-08-21T14:34:39+00:00"
generated_at: "2026-08-21T14:36:05.624656+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# FS Bancorp completes Pacific West Bancorp acquisition; 430,176 shares + $16.8M cash

## Summary
- Effective Aug 19, 2026, FS Bancorp closed merger with Pacific West Bancorp; Pacific West Bank merged into 1st Security Bank of Washington.
- Aggregate consideration: 430,176 FS Bancorp common shares and $16,832,742 cash, with proration election rights for Pacific West shareholders.
- Merger agreement dated Feb 25, 2026; expands FS Bancorp's Oregon presence via Pacific West Bank's Portland operations.
- CEO Matthew D. Mullet cites shared relationship-banking values; Pacific West Chairman Ed Kawasaki endorsed the partnership.

## SEC filing metadata
- accession: 0000939057-26-000205
- form_type: 8-K
- ticker: FSBW
- cik: 0001530249
- company_name: FS Bancorp, Inc.
- filed_at: 2026-08-21T14:34:39+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1530249/000093905726000205/0000939057-26-000205-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1530249/000093905726000205/8k82026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000939057-26-000205
- JSON: https://secwatch.observer/filing/0000939057-26-000205.json
- Plain text: https://secwatch.observer/filing/0000939057-26-000205.txt

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