{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-031387","form_type":"8-K","ticker":"MNSB","cik":"0001693577","company_name":"MainStreet Bancshares, Inc.","filed_at":"2025-10-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.166339+00:00","generated_at":"2026-05-17T03:02:43.768807+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"MainStreet Bancshares authorizes new $10M stock repurchase program, replacing prior plan","bullets":["New program authorizes up to $10M of common stock repurchases, replacing the May 2022 program.","Program expected to extend up to 18 months or until fully repurchased, at management's discretion.","Repurchases depend on market price, economic conditions, legal requirements; no assurance of any buys.","Repurchases may be made on open market or in private transactions; program can be suspended or discontinued."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-031387","json":"https://secwatch.observer/filing/0001437749-25-031387.json","markdown":"https://secwatch.observer/filing/0001437749-25-031387.md","text":"https://secwatch.observer/filing/0001437749-25-031387.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925031387/0001437749-25-031387-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925031387/main20251017_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T03:02:43.768807+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"}