{"cik":1817241,"company":{"entity_status":null,"filings":[{"accession":"0001193125-26-383625","document":"xslF345X06/ownership.xml","filed":"2026-09-04","form":"4","items":"","report_date":"2026-09-03"},{"accession":"0001193125-26-383621","document":"xslF345X06/ownership.xml","filed":"2026-09-04","form":"4","items":"","report_date":"2026-09-03"},{"accession":"0001193125-26-383619","document":"xslF345X06/ownership.xml","filed":"2026-09-04","form":"4","items":"","report_date":"2026-09-03"},{"accession":"0001193125-26-383618","document":"xslF345X06/ownership.xml","filed":"2026-09-04","form":"4","items":"","report_date":"2026-09-03"},{"accession":"0001193125-26-377207","document":"xslF345X06/ownership.xml","filed":"2026-08-31","form":"4","items":"","report_date":"2026-08-27"},{"accession":"0001193125-26-357383","document":"xslF345X06/ownership.xml","filed":"2026-08-19","form":"4","items":"","report_date":"2026-08-18"},{"accession":"0001193125-26-338029","document":"artv-20260630.htm","filed":"2026-08-06","form":"10-Q","items":"","report_date":"2026-06-30"},{"accession":"0001193125-26-337986","document":"artv-20260806.htm","filed":"2026-08-06","form":"8-K","items":"2.02,9.01","report_date":"2026-08-06"},{"accession":"0001193125-26-330563","document":"artv-20260803.htm","filed":"2026-08-03","form":"DEF 14A","items":"","report_date":"2026-09-08"},{"accession":"0001231919-26-000817","document":"xslF345X06/form4-07312026_090755.xml","filed":"2026-07-31","form":"4","items":"","report_date":"2026-07-29"},{"accession":"0001231919-26-000808","document":"xslF345X06/form4-07282026_090756.xml","filed":"2026-07-28","form":"4","items":"","report_date":"2026-07-24"},{"accession":"0001193125-26-312560","document":"artv-20260722.htm","filed":"2026-07-22","form":"8-K","items":"8.01","report_date":"2026-07-22"},{"accession":"0001193125-26-229714","document":"artv-20260518.htm","filed":"2026-05-19","form":"8-K","items":"5.02","report_date":"2026-05-18"},{"accession":"0001193125-26-214711","document":"d20969d8k.htm","filed":"2026-05-08","form":"8-K","items":"8.01,9.01","report_date":"2026-05-08"},{"accession":"0001193125-26-213242","document":"artv-20260331.htm","filed":"2026-05-08","form":"10-Q","items":"","report_date":"2026-03-31"},{"accession":"0001193125-26-213239","document":"d38160d8k.htm","filed":"2026-05-08","form":"8-K","items":"2.02,7.01,8.01,9.01","report_date":"2026-05-08"},{"accession":"0001193125-26-197115","document":"artv-20251231.htm","filed":"2026-04-30","form":"10-K/A","items":"","report_date":"2025-12-31"},{"accession":"0001193125-26-100135","document":"artv-20251231.htm","filed":"2026-03-10","form":"10-K","items":"","report_date":"2025-12-31"},{"accession":"0001193125-26-100131","document":"artv-20260310.htm","filed":"2026-03-10","form":"8-K","items":"2.02,9.01","report_date":"2026-03-10"},{"accession":"0001193125-26-067509","document":"artv-20250128.htm","filed":"2026-02-24","form":"8-K","items":"5.02","report_date":"2026-02-18"},{"accession":"0001193125-26-059716","document":"artv-20250128.htm","filed":"2026-02-19","form":"8-K","items":"5.02","report_date":"2026-02-18"},{"accession":"0001193125-25-317784","document":"artv-20251210.htm","filed":"2025-12-12","form":"8-K","items":"5.02","report_date":"2025-12-10"},{"accession":"0001193125-25-275902","document":"artv-20251112.htm","filed":"2025-11-12","form":"8-K","items":"7.01,8.01,9.01","report_date":"2025-11-12"},{"accession":"0001193125-25-275872","document":"artv-20250930.htm","filed":"2025-11-12","form":"10-Q","items":"","report_date":"2025-09-30"},{"accession":"0001193125-25-275867","document":"artv-20251112.htm","filed":"2025-11-12","form":"8-K","items":"2.02,9.01","report_date":"2025-11-12"},{"accession":"0000950170-25-104045","document":"artv-20250630.htm","filed":"2025-08-06","form":"10-Q","items":"","report_date":"2025-06-30"},{"accession":"0000950170-25-104028","document":"artv-20250806.htm","filed":"2025-08-06","form":"8-K","items":"2.02,9.01","report_date":"2025-08-06"},{"accession":"0000950170-25-089942","document":"artv-20250624.htm","filed":"2025-06-25","form":"8-K","items":"5.02,5.07,9.01","report_date":"2025-06-24"},{"accession":"0000950170-25-066421","document":"artv-20250331.htm","filed":"2025-05-08","form":"10-Q","items":"","report_date":"2025-03-31"},{"accession":"0000950170-25-066416","document":"artv-20250508.htm","filed":"2025-05-08","form":"8-K","items":"2.02,9.01","report_date":"2025-05-08"},{"accession":"0001193125-25-101364","document":"d104082ddef14a.htm","filed":"2025-04-29","form":"DEF 14A","items":"","report_date":"2025-06-24"},{"accession":"0000950170-25-043837","document":"artv-20241231.htm","filed":"2025-03-24","form":"10-K","items":"","report_date":"2024-12-31"},{"accession":"0000950170-25-043828","document":"artv-20250324.htm","filed":"2025-03-24","form":"8-K","items":"2.02,9.01","report_date":"2025-03-24"},{"accession":"0000950170-25-010481","document":"artv-20250128.htm","filed":"2025-01-29","form":"8-K","items":"5.02,9.01","report_date":"2025-01-28"},{"accession":"0000905148-24-003191","document":"sadavenbioartiva_13ga1.htm","filed":"2024-11-14","form":"SC 13G/A","items":"","report_date":""},{"accession":"0000950170-24-125382","document":"artv-20240930.htm","filed":"2024-11-12","form":"10-Q","items":"","report_date":"2024-09-30"},{"accession":"0000950170-24-125359","document":"artv-20241112.htm","filed":"2024-11-12","form":"8-K","items":"2.02,9.01","report_date":"2024-11-12"},{"accession":"0001193125-24-241059","document":"d855080d8k.htm","filed":"2024-10-22","form":"8-K","items":"5.02,9.01","report_date":"2024-10-21"},{"accession":"0001104659-24-096378","document":"tm2423238d1_sc13da.htm","filed":"2024-09-03","form":"SC 13D/A","items":"","report_date":""},{"accession":"0001193125-24-209924","document":"d705006d10q.htm","filed":"2024-08-29","form":"10-Q","items":"","report_date":"2024-06-30"}],"former_names":[],"gleif_parents":[],"headquarters":[],"insiders":[{"accession":"0001231919-26-000711","acquired_disposed":"A","code":"P","date":"2026-06-26","derivative":false,"filed":"2026-06-29","following_shares":"16795919.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"8.98","security":"Common Stock","shares":"1876.0"},{"accession":"0001231919-26-000711","acquired_disposed":"A","code":"P","date":"2026-06-25","derivative":false,"filed":"2026-06-29","following_shares":"16794043.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"8.88","security":"Common Stock","shares":"31000.0"},{"accession":"0001231919-26-000656","acquired_disposed":"A","code":"P","date":"2026-06-16","derivative":false,"filed":"2026-06-16","following_shares":"16763043.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"8.89","security":"Common Stock","shares":"124893.0"},{"accession":"0001231919-26-000656","acquired_disposed":"A","code":"P","date":"2026-06-15","derivative":false,"filed":"2026-06-16","following_shares":"16638150.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"8.99","security":"Common Stock","shares":"15414.0"},{"accession":"0001231919-26-000656","acquired_disposed":"A","code":"P","date":"2026-06-12","derivative":false,"filed":"2026-06-16","following_shares":"16622736.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"8.57","security":"Common Stock","shares":"391019.0"},{"accession":"0001231919-26-000625","acquired_disposed":"A","code":"P","date":"2026-06-11","derivative":false,"filed":"2026-06-11","following_shares":"16231717.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"7.91","security":"Common Stock","shares":"548580.0"},{"accession":"0001231919-26-000625","acquired_disposed":"A","code":"P","date":"2026-06-10","derivative":false,"filed":"2026-06-11","following_shares":"15683137.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"7.0","security":"Common Stock","shares":"103.0"},{"accession":"0001231919-26-000625","acquired_disposed":"A","code":"P","date":"2026-06-09","derivative":false,"filed":"2026-06-11","following_shares":"15683034.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"6.91","security":"Common Stock","shares":"479039.0"},{"accession":"0001193125-26-231510","acquired_disposed":"D","code":"S","date":"2026-05-19","derivative":false,"filed":"2026-05-19","following_shares":"148228.0","form":"4","owners":["Raymon Heather"],"plan_10b5_1":false,"price":"9.01","security":"Common Stock","shares":"3095.0"},{"accession":"0001193125-26-231509","acquired_disposed":"D","code":"S","date":"2026-05-19","derivative":false,"filed":"2026-05-19","following_shares":"293450.0","form":"4","owners":["Horan Christopher"],"plan_10b5_1":false,"price":"9.01","security":"Common Stock","shares":"7002.0"},{"accession":"0001193125-26-231508","acquired_disposed":"D","code":"S","date":"2026-05-19","derivative":false,"filed":"2026-05-19","following_shares":"337920.0","form":"4","owners":["Bush Jennifer"],"plan_10b5_1":false,"price":"9.01","security":"Common Stock","shares":"8790.0"},{"accession":"0001193125-26-231507","acquired_disposed":"D","code":"S","date":"2026-05-19","derivative":false,"filed":"2026-05-19","following_shares":"144963.0","form":"4","owners":["Banerjee Subhashis"],"plan_10b5_1":false,"price":"9.01","security":"Common Stock","shares":"7037.0"},{"accession":"0001193125-26-231506","acquired_disposed":"D","code":"S","date":"2026-05-19","derivative":false,"filed":"2026-05-19","following_shares":"1535082.0","form":"4","owners":["Aslan Fred"],"plan_10b5_1":false,"price":"9.01","security":"Common Stock","shares":"27116.0"},{"accession":"0001193125-26-229727","acquired_disposed":"A","code":"A","date":"2026-05-18","derivative":false,"filed":"2026-05-19","following_shares":"77500.0","form":"4","owners":["Miralles Gines Diego"],"plan_10b5_1":false,"price":"0.0","security":"Common Stock","shares":"77500.0"},{"accession":"0001193125-26-229727","acquired_disposed":"A","code":"A","date":"2026-05-18","derivative":true,"filed":"2026-05-19","following_shares":"232500.0","form":"4","owners":["Miralles Gines Diego"],"plan_10b5_1":false,"price":"0.0","security":"Employee Stock Option (Right to Buy)","shares":"232500.0"},{"accession":"0001931382-26-000007","acquired_disposed":"A","code":"P","date":"2026-05-11","derivative":false,"filed":"2026-05-28","following_shares":"4391969.0","form":"4","owners":["GC Cell Corp","GC Corp."],"plan_10b5_1":false,"price":"11.52","security":"Common Stock","shares":"1085069.0"},{"accession":"0001931382-26-000007","acquired_disposed":"A","code":"P","date":"2026-05-11","derivative":false,"filed":"2026-05-28","following_shares":"1607734.0","form":"4","owners":["GC Cell Corp","GC Corp."],"plan_10b5_1":false,"price":"11.52","security":"Common Stock","shares":"347222.0"},{"accession":"0001231919-26-000491","acquired_disposed":"A","code":"P","date":"2026-05-11","derivative":false,"filed":"2026-05-13","following_shares":"15203995.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"11.52","security":"Common Stock","shares":"6510416.0"},{"accession":"0001231919-26-000491","acquired_disposed":"A","code":"P","date":"2026-05-11","derivative":true,"filed":"2026-05-13","following_shares":"2170138.0","form":"4","owners":["Kolchinsky Peter","RA CAPITAL MANAGEMENT, L.P.","RA Capital Healthcare Fund LP","RA Capital Nexus Fund III, L.P.","RA Capital Nexus Fund, L.P.","Shah Rajeev M."],"plan_10b5_1":false,"price":"11.52","security":"Pre-Funded Warrant (Right to Buy)","shares":"2170138.0"}],"legal_name":null,"lei":null,"lei_status":null,"lei_updated_at":null,"names":[],"parent_exceptions":[],"parents":[],"wikidata_id":null},"research_built_at":"2026-09-08T00:28:31.573928+00:00","sources":[{"coverage":"8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer","id":"sec","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC submissions","retrieved_at":"2026-09-08T00:28:36.996621+00:00","status":"ok","url":"https://www.sec.gov/search-filings/edgar-application-programming-interfaces"},{"coverage":"1611 unambiguous CIK-linked entities; coverage is incomplete","id":"wikidata","license":"CC0-1.0","license_url":"https://www.wikidata.org/wiki/Wikidata:Licensing","name":"Wikidata structured data","retrieved_at":"2026-09-07T20:33:33.971872+00:00","status":"ok","url":"https://www.wikidata.org/"},{"coverage":"1177 checked identities; 0 unavailable records","id":"gleif","license":"CC0-1.0","license_url":"https://www.gleif.org/en/meta/lei-data-terms-of-use","name":"GLEIF legal entity reference data","retrieved_at":"2026-09-07T20:35:11.504394+00:00","status":"ok","url":"https://www.gleif.org/en/lei-data/gleif-api"},{"coverage":"4 selected series; gaps remain missing","id":"fed","license":"Public domain (selected government series)","license_url":"https://www.federalreserve.gov/disclaimer.htm","name":"Federal Reserve Board H.15","retrieved_at":"2026-09-08T00:28:58.131796+00:00","status":"ok","url":"https://www.federalreserve.gov/releases/h15/"},{"coverage":"9 selected series; gaps remain missing","id":"bls","license":"Public domain","license_url":"https://www.bls.gov/opub/copyright-information.htm","name":"Bureau of Labor Statistics","retrieved_at":"2026-09-08T00:28:59.313116+00:00","status":"ok","url":"https://www.bls.gov/developers/"},{"coverage":"2026 Q2: filings in this completed quarter; not a live transaction feed","id":"insiders","license":"SEC public-information reuse","license_url":"https://www.sec.gov/about/privacy-information","name":"SEC insider transactions","retrieved_at":"2026-09-07T20:35:31.647091+00:00","status":"ok","url":"https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets"}]}