{"filing": {"accession": "0001437749-26-017288", "cik": "0001693577", "ticker": "MNSB", "company_name": "MainStreet Bancshares, Inc.", "form_type": "S-3", "filing_type": "S-3", "filing_date": "2026-05-15", "accepted_datetime": null, "acceptance_datetime": null, "accepted_at": null, "primary_doc_url": "https://www.sec.gov/Archives/edgar/data/1693577/000143774926017288/0001437749-26-017288-index.htm", "filing_url": "https://www.sec.gov/Archives/edgar/data/1693577/000143774926017288/0001437749-26-017288-index.htm", "period_of_report": null}, "html_url": "/api/filings/000143774926017288/stream", "exhibits": [], "sections": [{"section_name": "part_1", "section_title": "Part I", "start_position": 18507, "end_position": 18516}, {"section_name": "item_1a", "section_title": "Risk Factors", "start_position": 18516, "end_position": 127188}, {"section_name": "part_2", "section_title": "Part II", "start_position": 127188, "end_position": 147146}], "tables": [{"table_index": 0, "table_type": "text", "caption": null, "header_text": ""}, {"table_index": 1, "table_type": "text", "caption": null, "header_text": ""}, {"table_index": 2, "table_type": "text", "caption": null, "header_text": "Page"}, {"table_index": 7, "table_type": "text", "caption": null, "header_text": "\u2022general economic conditions, either nationally or in our market area, that are worse than expected;"}, {"table_index": 8, "table_type": "financial", "caption": null, "header_text": "\u2022the concentration of our business in the Northern Virginia as well as the greater Washington, DC metropolitan area and the effect of changes in the economic, political and environmental conditions on"}, {"table_index": 9, "table_type": "exhibit_index", "caption": null, "header_text": ""}, {"table_index": 111, "table_type": "financial", "caption": null, "header_text": ""}, {"table_index": 112, "table_type": "exhibit_index", "caption": null, "header_text": ""}, {"table_index": 113, "table_type": "exhibit_index", "caption": null, "header_text": "4.5Form of Indenture for Subordinated Indebtedness*"}, {"table_index": 116, "table_type": "text", "caption": null, "header_text": ""}, {"table_index": 117, "table_type": "text", "caption": null, "header_text": ""}], "exhibits_pending": false, "cdn_html": true, "response_time_ms": 27}