{"url_path":"/sec/mbrx/10-q/2026/item-4","section_key":"item-4","section_title":"Item 4 MINE SAFETY DISCLOSURE**","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-14","source_url":"https://www.sec.gov/Archives/edgar/data/1659617/0001437749-26-017034-index.html","accession_number":"0001437749-26-017034","cik":"0001659617","ticker":"MBRX","issuer_name":"Moleculin Biotech, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1659617/0001437749-26-017034-index.html","primary_entity_key":"0001659617","primary_entity_name":"Moleculin Biotech, Inc."},"word_count":7,"has_tables":true,"body_markdown":"**ITEM 4. MINE SAFETY DISCLOSURE**\n\n \n\nNot applicable."}