{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-26-009702","form_type":"8-K","ticker":"MNSB","cik":"0001693577","company_name":"MainStreet Bancshares, Inc.","filed_at":"2026-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.915705+00:00","generated_at":"2026-05-15T09:01:58.939355+00:00","sec_items":["7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"MainStreet Bancshares appoints Morgan Higgins to Bank board of directors","bullets":["Morgan Higgins appointed as a Director of MainStreet Bank effective March 25, 2026.","Higgins is a Partner at Blue Delta Capital Partners, a venture capital firm.","She brings over 20 years of banking and government contracting experience.","Previously an Executive Director at JP Morgan Chase, scaling government service banking.","Chairman Jeff Dick states her expertise will drive shareholder value."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-26-009702","json":"https://secwatch.observer/filing/0001437749-26-009702.json","markdown":"https://secwatch.observer/filing/0001437749-26-009702.md","text":"https://secwatch.observer/filing/0001437749-26-009702.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693577/000143774926009702/0001437749-26-009702-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693577/000143774926009702/main20260325_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T09:01:58.939355+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"}