secwatch.observer — SEC 8-K summary ====================================== Issuer: Dianthus Therapeutics, Inc. /DE/ (DNTH) CIK: 0001690585 Form: 8-K Filed at: 2022-05-16T23:59:59+00:00 Accession: 0001193125-22-151011 Event type: earnings Sentiment: positive Materiality: 0.75 Item codes: 2.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Magenta Q1 net loss $23M; MGTA-117 shows target binding and rapid clearance at lowest dose -------------------------------------------------------------------------------- - Net loss of $23.0M for Q1 2022 vs. $17.5M in Q1 2021; R&D expenses rose to $16.5M from $11.7M. - Cash, equivalents and marketable securities $156.6M as of Mar 31, 2022; expected to fund operations into Q2 2024. - Phase 1/2 MGTA-117 Cohort 1 data: target binding on CD117+ cells, rapid drug clearance within 48 hours, no serious drug-related AEs; dose escalation to Cohort 2 (0.04 mg/kg) underway. - One patient with low blast burden showed ~83% reduction of bone marrow blasts at day 14; supports planned transition to transplant-eligible AML patients. - IND-enabling studies for CD45-ADC ongoing; key toxicology results expected 2H 2022. MGTA-145 sickle cell trial startup progressing; initial data expected 2H 2022. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1690585/000119312522151011/0001193125-22-151011-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1690585/000119312522151011/d264834d8k.htm HTML page: https://secwatch.observer/filing/0001193125-22-151011 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer