secwatch.observer — SEC 8-K summary ====================================== Issuer: Arcellx, Inc. (ACLX) CIK: 0001786205 Form: 8-K Filed at: 2024-12-12T23:59:59+00:00 Accession: 0001193125-24-275844 Event type: other_material Sentiment: positive Materiality: 0.70 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Arcellx reports positive Phase 2 anito-cel data for relapsed/refractory multiple myeloma at ASH 2024 -------------------------------------------------------------------------------- - Hosted investor webcast at ASH highlighting new positive data from Phase 2 pivotal iMMagine-1 study of anito-cel. - Study evaluates anitocabtagene autoleucel in patients with relapsed or refractory multiple myeloma. - Filing notes data as positive but does not disclose specific efficacy or safety numbers. - Corporate presentation attached as Exhibit 99.1 provides further details not included in this summary. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1786205/000119312524275844/0001193125-24-275844-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1786205/000119312524275844/d844330d8k.htm HTML page: https://secwatch.observer/filing/0001193125-24-275844 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer