{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-033596","form_type":"8-K","ticker":"FBIZ","cik":"0001521951","company_name":"FIRST BUSINESS FINANCIAL SERVICES, INC.","filed_at":"2026-02-02T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.313808+00:00","generated_at":"2026-05-16T05:35:26.098440+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Director Ralph R. Kauten to retire from First Business Financial Services Board at April 2026 annual meeting","bullets":["Kauten, Board member since 2018, retiring effective at conclusion of April 24, 2026 annual meeting.","Retirement due to reaching age 75 per Director Retirement Policy; no disagreement with company.","Jason R. Graham to succeed Kauten as Chair of the Audit Committee upon his retirement."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-033596","json":"https://secwatch.observer/filing/0001193125-26-033596.json","markdown":"https://secwatch.observer/filing/0001193125-26-033596.md","text":"https://secwatch.observer/filing/0001193125-26-033596.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1521951/000119312526033596/0001193125-26-033596-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1521951/000119312526033596/fbiz-20260129.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T05:35:26.098440+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"}