{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-038448","form_type":"8-K","ticker":"MNSB","cik":"0001693577","company_name":"MainStreet Bancshares, Inc.","filed_at":"2025-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.167391+00:00","generated_at":"2026-05-16T12:35:29.667422+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Ali Reza Manouchehri to resign from MainStreet Bancshares board effective Jan 1, 2026","bullets":["Ali Reza Manouchehri resigns from boards of MainStreet Bancshares and MainStreet Bank, effective January 1, 2026.","Resignation due to increased time commitments following sale of his company Metrostar Systems to Veritas Capital.","No disagreement with company's operations, policies, or financial disclosures.","Board size expected to reduce from 11 to 10 after his departure."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-038448","json":"https://secwatch.observer/filing/0001437749-25-038448.json","markdown":"https://secwatch.observer/filing/0001437749-25-038448.md","text":"https://secwatch.observer/filing/0001437749-25-038448.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925038448/0001437749-25-038448-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925038448/main20251216c_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:35:29.667422+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"}