{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-26-031005","form_type":"8-K","ticker":"MBRX","cik":"0001659617","company_name":"Moleculin Biotech, Inc.","filed_at":"2026-09-23T12:25:34+00:00","discovered_at":"2026-09-23T12:30:00.401796+00:00","generated_at":"2026-09-23T12:30:05.243011+00:00","sec_items":["7.01","8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Moleculin secures Mexican patent for lung-targeted liposomal Annamycin through 2040","bullets":["Mexican Patent Office granted Patent No. 436849 for lung-targeted liposomal Annamycin; expires Nov 23, 2040.","Patent strengthens global IP for Annamycin, now in pivotal MIRACLE trial for relapsed/refractory AML.","Issued 888,400 shares via ATM in Sept 2026 for $0.48M gross proceeds; shares outstanding now 20,385,780.","Series I warrant exercise price reduced from $0.75 to $0.51 per share due to anti-dilution after ATM issuance.","CEO Walter Klemp cites patent as reinforcing long-term commercial potential of Annamycin platform."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-26-031005","json":"https://secwatch.observer/filing/0001437749-26-031005.json","markdown":"https://secwatch.observer/filing/0001437749-26-031005.md","text":"https://secwatch.observer/filing/0001437749-26-031005.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1659617/000143774926031005/0001437749-26-031005-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1659617/000143774926031005/mbrx20260922_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T12:30:05.243011+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"}