{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-031750","form_type":"8-K","ticker":"MNSB","cik":"0001693577","company_name":"MainStreet Bancshares, Inc.","filed_at":"2025-10-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:40.166464+00:00","generated_at":"2026-05-17T02:11:46.582478+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"MainStreet Bancshares beats Q3 expectations, initiates $10M buyback","bullets":["Q3 2025 net income $4.52M, EPS $0.52, beating consensus of $4.48M and $0.51.","Core net interest margin of 3.54%; balance sheet structured for rate changes.","Board authorized $10M common stock repurchase program, replacing 2022 program.","Management notes strong asset quality and continued lending opportunities."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-031750","json":"https://secwatch.observer/filing/0001437749-25-031750.json","markdown":"https://secwatch.observer/filing/0001437749-25-031750.md","text":"https://secwatch.observer/filing/0001437749-25-031750.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925031750/0001437749-25-031750-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1693577/000143774925031750/main20250814_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T02:11:46.582478+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"}