secwatch.observer — SEC 8-K summary ====================================== Issuer: Krystal Biotech, Inc. (KRYS) CIK: 0001711279 Form: 8-K Filed at: 2025-05-13T23:59:59+00:00 Accession: 0001711279-25-000048 Event type: other_material Sentiment: positive Materiality: 0.45 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Krystal Biotech presents preclinical data for KB111 (HHD) and KB112 (Darier) at SID 2025 -------------------------------------------------------------------------------- - KB111 targets ATP2C1 for Hailey-Hailey disease; KB112 targets ATP2A2 for Darier disease. - Both HSV-1-based vectors transduced keratinocytes with dose-dependent target protein expression and no cytotoxicity. - KB111 functionally corrected ATP2C1 siRNA knockdown in keratinocytes, reversing F-actin loss (p<0.05). - Topical administration in mice showed proper localization of ATP2C1 and ATP2A2 with minimal toxicity. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1711279/000171127925000048/0001711279-25-000048-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1711279/000171127925000048/krys-20250512.htm HTML page: https://secwatch.observer/filing/0001711279-25-000048 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer