secwatch.observer — SEC 8-K summary ====================================== Issuer: Intellia Therapeutics, Inc. (NTLA) CIK: 0001652130 Form: 8-K Filed at: 2025-10-29T23:59:59+00:00 Accession: 0001193125-25-256378 Event type: regulatory Sentiment: negative Materiality: 0.85 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 FDA places clinical hold on NTLA's Phase 3 nex-z trials after Grade 4 liver event -------------------------------------------------------------------------------- - FDA verbally informed Intellia of clinical hold on MAGNITUDE and MAGNITUDE-2 Phase 3 trials for nex-z (nexiguran ziclumeran). - Hold follows Grade 4 liver transaminases and increased total bilirubin in a MAGNITUDE patient dosed with nex-z. - Company had temporarily paused dosing/screening on Oct 27 per protocol-defined pausing criteria. - FDA will issue a formal Clinical Hold Letter within 30 days; Intellia plans to work with FDA to resolve. - NTLA (Nasdaq) stock expected to react to this regulatory setback. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1652130/000119312525256378/0001193125-25-256378-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1652130/000119312525256378/d98865d8k.htm HTML page: https://secwatch.observer/filing/0001193125-25-256378 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer