---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-031417"
form_type: "8-K"
ticker: "WSBF"
cik: "0001569994"
company_name: "Waterstone Financial, Inc."
filed_at: "2025-10-21T23:59:59+00:00"
generated_at: "2026-05-17T03:01:40.491941+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Waterstone Financial Director Michael Hansen to Retire; Piotrowski Named Audit Committee Chair

## Summary
- Michael Hansen resigns as Audit Committee Chair effective Oct 21, 2025; will retire from Board on Dec 31, 2025.
- Laura Piotrowski appointed Chairperson of Audit Committee; she joined Board July 8, 2025.
- Hansen's departure not due to disagreement; he continues on Audit, Executive, and Nominating Committees until retirement.
- Piotrowski is CEO/President of Cavendish Vernal; previously CFO at Stein's Garden & Home and Managing Director at Robert W. Baird.

## SEC filing metadata
- accession: 0001437749-25-031417
- form_type: 8-K
- ticker: WSBF
- cik: 0001569994
- company_name: Waterstone Financial, Inc.
- filed_at: 2025-10-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1569994/000143774925031417/0001437749-25-031417-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1569994/000143774925031417/wsbf20251020_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-031417
- JSON: https://secwatch.observer/filing/0001437749-25-031417.json
- Plain text: https://secwatch.observer/filing/0001437749-25-031417.txt

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