secwatch.observer — SEC 8-K summary ====================================== Issuer: Kyverna Therapeutics, Inc. (KYTX) CIK: 0001994702 Form: 8-K Filed at: 2026-04-20T23:59:59+00:00 Accession: 0001193125-26-162755 Event type: other_material Sentiment: positive Materiality: 0.85 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Kyverna Phase 2 miv-cel data shows 100% response rate at 24 weeks in gMG; durable to 52 weeks -------------------------------------------------------------------------------- - 100% of 7 patients achieved ≥3-point reduction in MG-ADL and QMG (co-primary endpoints) at 24 weeks; mean reductions -8.5 and -11.3 points. - 57% of patients achieved minimal symptom expression (MG-ADL 0 or 1) at last follow-up; responses deepened over time. - 100% were free of nonsteroidal immunosuppressants, high-dose steroids, and FcRn/complement inhibitors through Week 24. - No high-grade CRS or ICANS; two transient grade 3/4 neutropenia events resolved; safety supports outpatient administration. - Median follow-up 10.2 months (range 3.3–16.0); company enrolling Phase 3 registrational trial across 14 sites. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1994702/000119312526162755/0001193125-26-162755-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1994702/000119312526162755/kytx-20260420.htm HTML page: https://secwatch.observer/filing/0001193125-26-162755 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer