{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-305194","form_type":"8-K","ticker":"ACLX","cik":"0001786205","company_name":"Arcellx, Inc.","filed_at":"2023-12-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:30.441762+00:00","generated_at":"2026-06-07T06:26:51.580002+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Arcellx closes $200M Gilead investment and license amendment with Kite","bullets":["Closed transactions: issued 3,242,542 shares to Gilead for $200 million aggregate.","Includes amendment to Collaboration and License Agreement with Kite Pharma (Gilead).","Closing followed expiration of HSR waiting period under antitrust rules.","Shares issued on December 28, 2023; previously announced November 15, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-305194","json":"https://secwatch.observer/filing/0001193125-23-305194.json","markdown":"https://secwatch.observer/filing/0001193125-23-305194.md","text":"https://secwatch.observer/filing/0001193125-23-305194.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1786205/000119312523305194/0001193125-23-305194-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1786205/000119312523305194/d607811d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T06:26:51.580002+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}