Waterstone Financial, Inc. (WSBF): Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Waterstone Financial, Inc. (WSBF) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. Exhibit 99.1 Contact: WATERSTONE FINANCIAL, INC. Mark R. Gerke WATERSTONE BANK Chief Financial Officer 11200 W. PLANK CT. 414.459.4012 WAUWATOSA, WI 53226 markgerke@wsbonline.com FOR IMMEDIATE RELEASE WATERSTONE FINANCIAL ANNOUNCES RESIGNATION OF DIRECTOR DEREK TYUS Wauwatosa, Wi

Event · Exec change
Person
Derek L. Tyus
Title
Director
Action
resigned
Effective
October 20, 2026

Facts are quoted from the filing text and checked against it.

Original reporting
Published Oct 16, 2026, 8:59 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 16, 2026, 9:01 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefCorporate actions
Primary signal
$WSBF
Neutral
high confidence
Mentioned
$WSBF
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR 8-K
Decision brief

The 30-second read

$WSBFNeutralLow
01

Why it matters

The resignation is a routine corporate governance event with limited immediate price effect, but it may affect future board composition.

02

Market read

A standard SEC disclosure of a director's departure; low trading relevance.

03

What to watch

Potential impact on audit and compensation committee oversight.

Relevance 6/10Novelty 5/10Timing: effective Oct 20 2026

Background

Waterstone Financial, Inc. (NASDAQ: WSBF) is a community‑focused bank holding company. The 8‑K filing announces a director resignation.

Company-level read

Ticker impact

$WSBFNeutralHigh confidence
Context

SEC Form 8‑K reports the resignation of director Derek L. Tyus effective Oct 20 2026.

Expected impact

likely slight pressure as the market prices in the board change.

Evidence & confidence

The filing is the first public disclosure of the resignation; no material operational impact is indicated.

Market effects

Minimal; banking sector sees routine board change.

Limited to regional investors in Wisconsin and existing shareholders.

None

Counterpoint

Board turnover could signal upcoming strategic shifts not yet disclosed.

Key entities

  • Derek L. Tyus

    Resigning director of Waterstone Financial and WaterStone Bank.

  • Patrick S. Lawton

    Chairman of Waterstone Financial who commented on the resignation.

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