secwatch.observer — SEC 8-K summary ====================================== Issuer: Kyverna Therapeutics, Inc. (KYTX) CIK: 0001994702 Form: 8-K Filed at: 2026-04-22T23:59:59+00:00 Accession: 0001193125-26-167512 Event type: other_material Sentiment: positive Materiality: 0.85 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Kyverna's miv-cel meets all endpoints in KYSA-8 SPS trial; median T25FW improvement 46% (p=0.0003) -------------------------------------------------------------------------------- - Single-dose miv-cel achieved statistically significant improvements across all primary and secondary endpoints at Week 16. - 81% of patients achieved ≥20% improvement in T25FW; 67% of walking-aid users no longer needed assistance. - All 26 patients discontinued chronic immunotherapies through last follow-up; no high-grade CRS or ICANS observed. - Company plans to submit BLA for miv-cel in SPS; data also support potential in myasthenia gravis. - Natural history study of 153 SPS patients showed minimal improvement with current treatments, underscoring unmet need. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1994702/000119312526167512/0001193125-26-167512-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1994702/000119312526167512/kytx-20260421.htm HTML page: https://secwatch.observer/filing/0001193125-26-167512 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer