{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-130813","form_type":"8-K","ticker":"FBIZ","cik":"0001521951","company_name":"FIRST BUSINESS FINANCIAL SERVICES, INC.","filed_at":"2024-12-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.679212+00:00","generated_at":"2026-05-29T00:16:11.192533+00:00","sec_items":["5.02","8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Director Carol P. Sanders resigns; board reduced to seven; Kauten named Audit Chair","bullets":["Carol P. Sanders resigned from the Board effective Dec 17, 2024; no disagreement with Company.","Board reduced from nine to seven seats; vacancies from resignation and death of John J. Harris.","Ralph R. Kauten appointed Chair of Audit Committee; qualifies as audit committee financial expert.","Jerry L. Kilcoyne (Board Chair) joins Audit Committee; W. Kent Lorenz joins Compensation Committee."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-130813","json":"https://secwatch.observer/filing/0001104659-24-130813.json","markdown":"https://secwatch.observer/filing/0001104659-24-130813.md","text":"https://secwatch.observer/filing/0001104659-24-130813.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1521951/000110465924130813/0001104659-24-130813-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1521951/000110465924130813/tm2430994d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T00:16:11.192533+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}