{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-029795","form_type":"8-K","ticker":"MNSB","cik":"0001693577","company_name":"MainStreet Bancshares, Inc.","filed_at":"2025-09-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.694626+00:00","generated_at":"2026-05-17T05:47:53.945032+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"MainStreet Bancshares appoints Wendy Adeler Hall as director effective Oct 16","bullets":["Appointment fills vacancy left by Elizabeth Bennett in 2024; term up for election in 2026.","Effective October 16, 2025; Hall is independent director per Nasdaq standards.","Will serve on Nominating and Compensation Committee of the Company's board.","Compensation consistent with non-employee director program; no material transactions.","Hall brings 30+ years experience in jewelry industry, marketing, and philanthropy."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-029795","json":"https://secwatch.observer/filing/0001437749-25-029795.json","markdown":"https://secwatch.observer/filing/0001437749-25-029795.md","text":"https://secwatch.observer/filing/0001437749-25-029795.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925029795/0001437749-25-029795-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925029795/main20250918_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T05:47:53.945032+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"}