Waterstone Financial Inc (NASDAQ: WSBF) is a bank holding company that operates WaterStone Bank SSB, a state-chartered savings bank. The company generates revenue primarily through net interest income on loans and deposits, and through mortgage banking activities. Waterstone Financial was organized in 2013 as a Maryland corporation, and in 2014 became the holding company of WaterStone Bank SSB upon completion of the mutual-to-stock conversion of Lamplighter Financial, MHC. The 10-K filed 2026-02-26 covers the fiscal year ended December 31, 2025. The filing does not disclose segment revenue percentages, branch counts, loan portfolio size, or named competitors in the excerpts provided.

Revenue model

Net interest income from loans and deposits held at WaterStone Bank SSB, supplemented by mortgage banking activities. Specific revenue figures and segment breakdowns are not supported by the provided filing excerpts.

Products and services

Banking and savings products through WaterStone Bank SSB, including deposit accounts and lending. Mortgage banking services are also referenced. Specific product names, loan types, or service line details are not supported by the provided filing excerpts.

Customers and end markets

Retail and commercial banking customers served through WaterStone Bank SSB. Specific customer counts, customer concentration data, or end market breakdowns are not supported by the provided filing excerpts.

Value-chain role

Depository institution and mortgage originator. Waterstone Financial serves as the holding company; WaterStone Bank SSB is the operating bank subsidiary.

Geographic exposure

Headquartered in Wisconsin, per the holding company structure. Specific branch locations, states served, or geographic revenue mix are not supported by the provided filing excerpts.

Source: SEC 10-K, filed 2026-02-26

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