secwatch.observer — SEC 8-K summary ====================================== Issuer: Moleculin Biotech, Inc. (MBRX) CIK: 0001659617 Form: 8-K Filed at: 2026-09-29T12:45:26+00:00 Accession: 0001437749-26-031419 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 7.01, 9.01 LLM model: deepseek-v4.1-flash:cloud@v2 Moleculin Biotech completes Part A enrollment in Phase 2/3 MIRACLE trial with 89 R/R AML subjects -------------------------------------------------------------------------------- - Part A of the pivotal Phase 2/3 MIRACLE trial closed enrollment with 89 subjects enrolled and one additional subject in screening. - Moleculin remains on track for a comprehensive Part A data readout in Q1 2027. - The full Part A population is expected to be approximately 50/50 between 1L 7+3 and venetoclax-based regimens, versus a 70/30 split in the first 45 subjects. - CEO Walter Klemp said the Q1 2027 readout will be deeper in data than the first interim n45 readout. - The company continues to see no cardiotoxicity in blinded MIRACLE data; AnnAraC combines Annamycin with cytarabine. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1659617/000143774926031419/0001437749-26-031419-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1659617/000143774926031419/mbrx20260928_8k.htm HTML page: https://secwatch.observer/filing/0001437749-26-031419 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer