secwatch.observer — SEC 8-K summary ====================================== Issuer: Arcellx, Inc. (ACLX) CIK: 0001786205 Form: 8-K Filed at: 2023-12-12T23:59:59+00:00 Accession: 0001193125-23-293003 Event type: other_material Sentiment: neutral Materiality: 0.30 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Arcellx presents CART-ddBCMA Phase 1 expansion data at ASH; no specific results disclosed in 8-K -------------------------------------------------------------------------------- - Event at 65th ASH Annual Meeting on Dec 11, 2023 in San Diego highlighting CART-ddBCMA Phase 1 expansion trial. - Trial enrolled patients with relapsed/refractory multiple myeloma. - Filing does not include numerical efficacy or safety data from the presentation. - Corporate slides attached as Exhibit 99.1 but full data not reproduced in this filing. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1786205/000119312523293003/0001193125-23-293003-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1786205/000119312523293003/d659269d8k.htm HTML page: https://secwatch.observer/filing/0001193125-23-293003 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer