{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-022230","form_type":"8-K","ticker":"MNSB","cik":"0001693577","company_name":"MainStreet Bancshares, Inc.","filed_at":"2025-07-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.693529+00:00","generated_at":"2026-05-18T09:17:35.742691+00:00","sec_items":["7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"MainStreet Bank promotes Alex Vari to EVP and CFO of the bank","bullets":["Alex Vari promoted to Executive Vice President and Chief Financial Officer of MainStreet Bank, effective July 7, 2025.","Tom Chmelik remains CFO of MainStreet Bancshares, Inc.; Vari reports to Chmelik.","Vari previously led Sarbanes-Oxley internal control framework implementation at the company.","Vari is a Certified Public Accountant with a Bachelor of Accountancy from University of North Dakota.","Promotion reflects internal leadership development; Vari joined from public accounting and is a VA Bankers School graduate."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-022230","json":"https://secwatch.observer/filing/0001437749-25-022230.json","markdown":"https://secwatch.observer/filing/0001437749-25-022230.md","text":"https://secwatch.observer/filing/0001437749-25-022230.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925022230/0001437749-25-022230-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925022230/main20250707c_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-18T09:17:35.742691+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"}