secwatch.observer — SEC 8-K summary ====================================== Issuer: FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ) CIK: 0001521951 Form: 8-K Filed at: 2025-05-05T23:59:59+00:00 Accession: 0000950170-25-063201 Event type: leadership Sentiment: neutral Materiality: 0.70 Item codes: 5.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 First Business CEO Corey Chambas to retire May 2, 2026; COO Dave Seiler named successor -------------------------------------------------------------------------------- - Corey Chambas to retire as CEO effective May 2, 2026; will remain on boards. - David R. Seiler, currently President and COO, appointed CEO effective same date. - Chambas has been CEO since Jan 2006; joined company in 1993. - Seiler joined in Apr 2016; previously MD at BMO Harris Bank. - Board Chairman Jerry Kilcoyne praises Chambas' leadership and transition plan. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1521951/000095017025063201/0000950170-25-063201-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1521951/000095017025063201/fbiz-20250502.htm HTML page: https://secwatch.observer/filing/0000950170-25-063201 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer