secwatch.observer — SEC 8-K summary ====================================== Issuer: ARROWHEAD PHARMACEUTICALS, INC. (ARWR) CIK: 0000879407 Form: 8-K Filed at: 2025-11-18T23:59:59+00:00 Accession: 0000879407-25-000019 Event type: regulatory Sentiment: positive Materiality: 0.95 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud Arrowhead Pharmaceuticals Announces FDA Approval of REDEMPLO for Familial Chylomicronemia Syndrome -------------------------------------------------------------------------------- - REDEMPLO (plozasiran) approved by FDA as adjunct to diet to reduce triglycerides in adults with FCS. - Phase 3 PALISADE study showed 80% median triglyceride reduction vs 17% placebo and lower acute pancreatitis incidence. - REDEMPLO is first FDA-approved siRNA medicine for FCS, self-administered quarterly at home. - Approximately 6,500 people in the U.S. live with genetic or clinical FCS. - Arrowhead's first FDA-approved medicine marks transition to a commercial-stage company. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/879407/000087940725000019/0000879407-25-000019-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/879407/000087940725000019/arwr-20251118.htm HTML page: https://secwatch.observer/filing/0000879407-25-000019 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer