{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-182231","form_type":"8-K","ticker":"ARTV","cik":"0001817241","company_name":"Artiva Biotherapeutics, Inc.","filed_at":"2024-07-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:14.640326+00:00","generated_at":"2026-05-31T18:36:18.245716+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Artiva Biotherapeutics files amended charter and bylaws upon IPO closing","bullets":["Amended and restated certificate of incorporation filed with Delaware Secretary of State on July 22, 2024, effective prior to IPO closing.","Amended and restated bylaws adopted effective July 22, 2024, immediately following IPO closing.","Both corporate documents were previously approved by board and stockholders in connection with the IPO."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-182231","json":"https://secwatch.observer/filing/0001193125-24-182231.json","markdown":"https://secwatch.observer/filing/0001193125-24-182231.md","text":"https://secwatch.observer/filing/0001193125-24-182231.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1817241/000119312524182231/0001193125-24-182231-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1817241/000119312524182231/d863184d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T18:36:18.245716+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"}