{"cik":"0001956827","entityType":"other","sic":"2834","sicDescription":"Pharmaceutical Preparations","ownerOrg":"03 Life Sciences","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Abivax S.A.","tickers":["ABVX"],"exchanges":["Nasdaq"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"Accelerated filer<br>Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"I0","stateOfIncorporationDescription":"France","addresses":{"mailing":{"street1":"7 BD HAUSSMANN","street2":null,"city":"PARIS","stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":1,"foreignStateTerritory":null,"country":"France","countryCode":"I0"},"business":{"street1":"7 BD HAUSSMANN","street2":null,"city":"PARIS","stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":1,"foreignStateTerritory":null,"country":"France","countryCode":"I0"}},"phone":"01 53 83 09 63","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001104659-26-080877","0001193125-26-294514","0001193125-26-294491","0001193125-26-291689","0001193125-26-290857","0001193125-26-290817","0001193125-26-290578","0001193125-26-288752","0001193125-26-252360","0001956827-26-000022","0001956827-26-000017","0001104659-26-058492","0001193125-26-211853","0001193125-26-210978","0001956827-26-000014","0001193125-26-120026","0001956827-26-000012","0001956827-26-000010","0001956827-26-000003","0002005369-26-000006","0001104659-26-003743","0001104659-26-001973","0001956827-25-000035","0001738048-25-000014","0001193125-25-283064","0001104659-25-104376","0001104659-25-102990","0001956827-25-000031","0001172661-25-003272","0001104659-25-072677","0001193125-25-164456","0001193125-25-164414","0001193125-25-163923","0001193125-25-163539","0001193125-25-163478","0001193125-25-163402","0001193125-25-162671","0001956827-25-000024","0001956827-25-000021","0001956827-25-000016","0001193125-25-089339","0000950170-25-053321","0001193125-25-061479","0001956827-25-000010","0001956827-25-000004","0001104659-25-014140","0001193125-25-004163","0001193125-24-284298","9999999995-24-003594","0001193125-24-264757","0000000000-24-013004","0001193125-24-261777","0001193125-24-261713","0001956827-24-000017","0001172661-24-004724","0001171843-24-005491","0001171843-24-005467","0001171843-24-005360","0001171843-24-005354","0001171843-24-005129","0001956827-24-000013","0001171843-24-004450","0001171843-24-003960","0001193125-24-154293","0001171843-24-002617","0001193125-24-103197","0001956827-24-000007","0001171843-24-001756","0001104659-24-024198","0001171843-24-000531","0001171843-24-000324","0001104659-23-120756","0001172661-23-003538","0001104659-23-112496","0001193125-23-260833","9999999997-23-004568","0001193125-23-259657","9999999995-23-003017","9999999995-23-003016","0001354457-23-000781","0001193125-23-258649","0001193125-23-258648","0001193125-23-258647","0001193125-23-258644","0001193125-23-258642","0000000000-23-011351","0001193125-23-256671","0001193125-23-256667","0000000000-23-010983","0001193805-23-001353","0001193125-23-247386","0001193125-23-247378","9999999997-23-004253","0000000000-23-010378","0000950123-23-008480","0000950123-23-008479","0000000000-23-009058","0000950123-23-006429","0000950123-23-006428","0000000000-23-000353","0000950123-22-012666"],"filingDate":["2026-07-06","2026-07-02","2026-07-02","2026-07-01","2026-06-30","2026-06-30","2026-06-30","2026-06-29","2026-06-02","2026-05-22","2026-05-20","2026-05-11","2026-05-07","2026-05-07","2026-04-20","2026-03-23","2026-03-23","2026-03-23","2026-02-23","2026-02-13","2026-01-14","2026-01-08","2025-12-15","2025-11-14","2025-11-14","2025-10-30","2025-10-28","2025-09-08","2025-08-14","2025-07-31","2025-07-24","2025-07-24","2025-07-24","2025-07-23","2025-07-23","2025-07-23","2025-07-22","2025-06-11","2025-06-02","2025-04-29","2025-04-22","2025-04-11","2025-03-24","2025-03-24","2025-03-24","2025-02-14","2025-01-10","2024-12-23","2024-11-26","2024-11-25","2024-11-22","2024-11-19","2024-11-19","2024-11-14","2024-11-14","2024-10-03","2024-10-03","2024-09-26","2024-09-25","2024-09-09","2024-09-09","2024-08-06","2024-07-16","2024-06-04","2024-05-07","2024-04-19","2024-04-05","2024-04-02","2024-02-14","2024-02-02","2024-01-22","2023-11-22","2023-10-30","2023-10-30","2023-10-23","2023-10-20","2023-10-20","2023-10-19","2023-10-19","2023-10-19","2023-10-18","2023-10-18","2023-10-18","2023-10-18","2023-10-18","2023-10-17","2023-10-16","2023-10-16","2023-10-05","2023-10-03","2023-09-29","2023-09-29","2023-09-20","2023-09-20","2023-09-08","2023-09-08","2023-08-18","2023-07-28","2023-07-28","2023-01-12","2022-12-16"],"reportDate":["","2026-07-02","","","","","","2026-06-29","2026-06-01","2026-03-31","2026-05-20","","2026-05-07","","2026-04-20","","2025-12-31","2025-12-31","2026-02-21","","","","2025-09-30","","","","","2025-06-30","","","","2025-07-24","","","","","2025-07-22","2025-06-11","2025-03-31","2025-04-29","2025-04-22","","","2024-12-31","2024-12-31","","2025-01-10","2024-12-23","","","","2024-11-19","","2024-09-30","","2024-10-03","2024-10-03","2024-09-26","2024-09-25","2024-09-09","2024-06-30","2024-08-06","2024-07-15","2024-06-04","2024-05-07","","2023-12-31","2024-04-02","","2024-02-02","2024-01-22","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"acceptanceDateTime":["2026-07-07T01:35:45.000Z","2026-07-02T20:09:57.000Z","2026-07-02T20:06:08.000Z","2026-07-01T13:16:06.000Z","2026-06-30T21:29:23.000Z","2026-06-30T21:15:36.000Z","2026-06-30T20:19:34.000Z","2026-06-29T21:22:27.000Z","2026-06-02T10:01:03.000Z","2026-05-22T20:12:54.000Z","2026-05-20T20:47:26.000Z","2026-05-11T16:50:15.000Z","2026-05-07T20:03:42.000Z","2026-05-07T15:33:00.000Z","2026-04-20T20:07:48.000Z","2026-03-23T21:28:42.000Z","2026-03-23T20:54:47.000Z","2026-03-23T20:49:49.000Z","2026-02-23T21:05:58.000Z","2026-02-13T16:14:52.000Z","2026-01-14T21:13:22.000Z","2026-01-08T14:21:56.000Z","2025-12-15T21:13:50.000Z","2025-11-14T22:29:17.000Z","2025-11-14T21:22:54.000Z","2025-10-30T20:08:59.000Z","2025-10-28T15:11:42.000Z","2025-09-08T20:05:02.000Z","2025-08-14T12:54:40.000Z","2025-07-31T20:04:46.000Z","2025-07-24T20:45:36.000Z","2025-07-24T20:12:13.000Z","2025-07-24T12:52:56.000Z","2025-07-23T21:26:38.000Z","2025-07-23T21:08:09.000Z","2025-07-23T20:02:08.000Z","2025-07-22T21:17:03.000Z","2025-06-11T20:01:43.000Z","2025-06-02T20:04:23.000Z","2025-04-29T20:04:55.000Z","2025-04-22T21:20:09.000Z","2025-04-11T20:43:54.000Z","2025-03-24T21:29:33.000Z","2025-03-24T21:00:26.000Z","2025-03-24T10:04:51.000Z","2025-02-14T21:19:20.000Z","2025-01-10T14:04:55.000Z","2024-12-23T22:14:28.000Z","2024-11-27T05:15:06.000Z","2024-11-25T13:54:25.000Z","2024-11-22T18:36:08.000Z","2024-11-19T21:43:55.000Z","2024-11-19T21:02:39.000Z","2024-11-14T21:00:47.000Z","2024-11-14T14:09:55.000Z","2024-10-03T20:18:39.000Z","2024-10-03T10:05:07.000Z","2024-09-26T10:05:54.000Z","2024-09-25T20:30:10.000Z","2024-09-09T20:27:03.000Z","2024-09-09T20:05:29.000Z","2024-08-06T10:05:06.000Z","2024-07-16T10:00:10.000Z","2024-06-04T20:26:58.000Z","2024-05-07T20:26:21.000Z","2024-04-19T23:09:50.000Z","2024-04-05T20:03:54.000Z","2024-04-02T14:24:43.000Z","2024-02-15T01:25:07.000Z","2024-02-02T11:05:06.000Z","2024-01-22T11:30:09.000Z","2023-11-22T21:16:30.000Z","2023-10-30T20:13:28.000Z","2023-10-30T17:42:49.000Z","2023-10-23T20:23:13.000Z","2023-10-20T20:12:23.000Z","2023-10-20T13:05:25.000Z","2023-10-20T04:15:20.000Z","2023-10-20T04:15:10.000Z","2023-10-19T18:55:44.000Z","2023-10-18T21:26:56.000Z","2023-10-18T21:25:56.000Z","2023-10-18T21:24:58.000Z","2023-10-18T21:23:57.000Z","2023-10-18T21:22:35.000Z","2023-10-17T18:36:17.000Z","2023-10-16T15:26:58.000Z","2023-10-16T15:23:39.000Z","2023-10-05T16:30:07.000Z","2023-10-03T20:14:20.000Z","2023-09-29T20:08:56.000Z","2023-09-29T20:06:36.000Z","2023-09-21T13:34:21.000Z","2023-09-20T19:30:05.000Z","2023-09-08T20:22:51.000Z","2023-09-08T20:21:18.000Z","2023-08-18T18:30:07.000Z","2023-07-28T18:41:11.000Z","2023-07-28T18:37:01.000Z","2023-01-12T22:30:13.000Z","2022-12-16T22:04:39.000Z"],"act":["34","34","33","34","34","33","33","34","34","34","34","34","34","33","34","33","34","34","34","34","34","33","34","34","34","34","33","34","34","34","33","34","34","34","33","33","34","34","34","34","34","34","33","34","34","34","34","34","33","","","34","33","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","","34","33","33","34","34","","","","33","","","33","","33","","33","","","","33","","","33","","33"],"form":["SCHEDULE 13D/A","6-K","424B5","FWP","FWP","424B5","POSASR","6-K","6-K","6-K","6-K","SCHEDULE 13D/A","6-K","424B7","6-K","S-8","20-F","6-K","6-K","SCHEDULE 13G/A","SCHEDULE 13D/A","144","6-K","SCHEDULE 13G/A","SCHEDULE 13G/A","SCHEDULE 13D/A","144","6-K","SCHEDULE 13G/A","SCHEDULE 13D/A","424B5","6-K","FWP","FWP","424B5","F-3ASR","6-K","6-K","6-K","6-K","6-K","SCHEDULE 13G","S-8","20-F","6-K","SCHEDULE 13D/A","6-K","6-K","EFFECT","CORRESP","UPLOAD","6-K","F-3","6-K","SC 13G/A","6-K","6-K","6-K","6-K","6-K","6-K","6-K","6-K","6-K","6-K","SC 13G","20-F","6-K","SC 13G/A","6-K","6-K","SC 13G","SC 13G","SC 13D","424B4","SEC STAFF LETTER","FWP","EFFECT","EFFECT","CERT","8-A12B","CORRESP","CORRESP","CORRESP","F-1/A","UPLOAD","CORRESP","F-1/A","UPLOAD","F-6","CORRESP","F-1","SEC STAFF LETTER","UPLOAD","DRSLTR","DRS/A","UPLOAD","DRSLTR","DRS/A","UPLOAD","DRS"],"fileNumber":["005-94198","001-41842","333-288884","333-288884","333-288884","333-288884","333-288884","001-41842","001-41842","001-41842","001-41842","005-94198","001-41842","333-288884","001-41842","333-294544","001-41842","001-41842","001-41842","005-94198","005-94198","001-41842","001-41842","005-94198","005-94198","005-94198","001-41842","001-41842","005-94198","005-94198","333-288884","001-41842","333-288884","333-288884","333-288884","333-288884","001-41842","001-41842","001-41842","001-41842","001-41842","005-94198","333-286069","001-41842","001-41842","005-94198","001-41842","001-41842","333-283336","","333-283336","001-41842","333-283336","001-41842","005-94198","001-41842","001-41842","001-41842","001-41842","001-41842","001-41842","001-41842","001-41842","001-41842","001-41842","005-94198","001-41842","001-41842","005-94198","001-41842","001-41842","005-94198","005-94198","005-94198","333-274780","","333-274780","333-274845","333-274780","001-41842","001-41842","","","","333-274780","","","333-274780","","333-274845","","333-274780","","","","377-06511","","","377-06511","","377-06511"],"filmNumber":["261157695","261151210","261151069","261142951","261141784","261141591","261140759","261136997","261053462","261013892","261004737","26961954","26953016","26951745","26875110","26783428","26783055","26783015","26665113","26629988","26533442","26517739","251571728","251488372","251486791","251435578","251422217","251300034","251214669","251171619","251147596","251147016","251144679","251143908","251143804","251143087","251141045","251039875","251014896","25887082","25858591","25832745","25765198","25764931","25762125","25629189","25520710","241574838","241506112","","","241476867","241475964","241461483","241457645","241351767","241349749","241326084","241324919","241287553","241287276","241176904","241118527","241018500","24922408","24859241","24826435","24812568","24641639","24588700","24547036","231433697","231360362","231359397","231340208","","231336046","231335892","231335887","231334539","231332928","","","","231332906","","","231326695","","231303770","","231295531","","","","231245556","","","231122346","","221468755"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","F-3,,2024-11-26 16:00:00","","","","","","","","","","","","","","","","","","","","","","","","","","","","","F-6,,2023-10-19 16:00:00","F-1,,2023-10-19 16:00:00","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["SCHEDULE 13D/A","6-K","424B5","FWP","FWP","424B5","POSASR","6-K","6-K","XBRL","6-K","SCHEDULE 13D/A","6-K","424B7","6-K","S-8","XBRL","6-K","6-K","SCHEDULE 13G/A","SCHEDULE 13D/A","144","XBRL","SCHEDULE 13G/A","SCHEDULE 13G/A","SCHEDULE 13D/A","144","XBRL","SCHEDULE 13G/A","SCHEDULE 13D/A","424B5","6-K","FWP","FWP","424B5","F-3ASR","6-K","6-K","XBRL","6-K","6-K","SCHEDULE 13G","S-8","XBRL","6-K","SCHEDULE 13D/A","6-K","6-K","EFFECT","CORRESP","LETTER","6-K","F-3","6-K","SC 13G/A","6-K","6-K","6-K","6-K","6-K","6-K","6-K","6-K","6-K","6-K","SC 13G","XBRL","6-K","SC 13G/A","6-K","6-K","SC 13G","SC 13G","SC 13D","424B4","REDACTED EXHIBIT","FWP","EFFECT","EFFECT","CERT","8-A12B","CORRESP","CORRESP","CORRESP","F-1/A","LETTER","CORRESP","F-1/A","LETTER","F-6","CORRESP","F-1","REDACTED EXHIBIT","LETTER","DRSLTR","DRS/A","LETTER","DRSLTR","DRS/A","LETTER","DRS"],"size":[26552,334044,1285609,34267,31153,1138004,1501525,161011,105840,12781799,155929,28069,175702,794536,27477,262673,38024999,94085,38936,16085,28165,5585,19253554,18053,134600,26150,4389,18331922,11322,25999,1027154,309572,33010,30354,993470,650469,105110,189786,16885384,40917,36882,522331,152617,45704352,66882,25600,31421,24378,1677,11849,39942,43324,1236855,36185,103089,14366,16626,20440,17087,40164,3049928,13778,27342,97072,13989,74219,40830028,50433,175721,15210,24692,185771,102862,119154,6982470,63484,76366,1628,1628,240617,16378,9207,13731,18666,7486091,42795,14934,7211870,42327,555341,22394,9775326,64710,43997,102691,9155728,45958,51225,5172228,62571,5845488],"isXBRL":[0,0,1,0,0,0,1,0,0,1,0,0,0,1,0,1,1,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,1,0,0,0,1,0,0,1,0,0,0,1,0,1,1,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslSCHEDULE_13D_X02/primary_doc.xml","d108401d6k.htm","d111359d424b5.htm","d121090dfwp.htm","d37492dfwp.htm","d111359d424b5.htm","d86113dposasr.htm","d110874d6k.htm","d98688d6k.htm","abvx-20260331.htm","a6-kcoverpagex060925pressr.htm","xslSCHEDULE_13D_X02/primary_doc.xml","d148287d6k.htm","d55760d424b7.htm","abivax-6xkpreparatorydocum.htm","d13364ds8.htm","abvx-20251231.htm","a6-kq42025pressreleasecover.htm","a6-kxeccopr.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13D_X01/primary_doc.xml","xsl144X01/primary_doc.xml","abvx-20250930.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13D_X01/primary_doc.xml","xsl144X01/primary_doc.xml","abvx-20250630.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13D_X01/primary_doc.xml","d945355d424b5.htm","d945399d6k.htm","d81238dfwp.htm","d945355dfwp.htm","d945355d424b5.htm","d944622df3asr.htm","d56921d6k.htm","a6-kcoverpagex060925pressr.htm","abvx-20250331.htm","a6-kcoverpagex042225pressr.htm","d919877d6k.htm","xslSCHEDULE_13G_X01/primary_doc.xml","d845340ds8.htm","abvx-20241231.htm","a6-kq4pressrelease.htm","xslSCHEDULE_13D_X01/primary_doc.xml","d905529d6k.htm","d891803d6k.htm","xslEFFECTX01/primary_doc.xml","filename1.htm","filename1.pdf","d862454d6k.htm","d859699df3.htm","a6-kq3keyfinancials.htm","deeptrack-abvx093024a1.htm","f6k_100324.htm","f6k_100324.htm","f6k_092624.htm","f6k_092524.htm","f6k_090924.htm","a6-kenglishq22024.htm","f6k_080624.htm","f6k_071624.htm","d827827d6k.htm","f6k_050724.htm","d829911dsc13g.htm","abvx-20231231.htm","f6k_040224.htm","tm246235d10_sc13ga.htm","f6k_020224.htm","f6k_012224.htm","tm2331375d1_sc13g.htm","deeptrack-abvx102023.htm","tm2329348d1_sc13d.htm","d609070d424b4.htm","filename1.pdf","d609070dfwp.htm","xslEFFECTX01/primary_doc.xml","xslEFFECTX01/primary_doc.xml","ABVX_8A_Cert.pdf","d533766d8a12b.htm","filename1.htm","filename1.htm","filename1.htm","d609070df1a.htm","filename1.pdf","filename1.htm","d609070df1a.htm","filename1.pdf","e618972_f6-abivax.htm","filename1.htm","d609070df1.htm","filename1.pdf","filename1.pdf","filename1.htm","filename1.htm","filename1.pdf","filename1.htm","filename1.htm","filename1.pdf","filename1.htm"],"primaryDocDescription":["","6-K","424B5","FWP","FWP","424B5","POSASR","6-K","6-K","6-K","6-K","","6-K","424B7","6-K","S-8","20-F","6-K","6-K","","","","6-K","","","","","6-K","","","424B5","6-K","FWP","FWP","424B5","F-3ASR","6-K","6-K","6-K","6-K","6-K","","FORM S-8","20-F","6-K","","6-K","6-K","","","","6-K","F-3","6-K","","FORM 6-K","FORM 6-K","FORM 6-K","FORM 6-K","FORM 6-K","6-K","FORM 6-K","FORM 6-K","6-K","FORM 6-K","SC 13G","20-F","FORM 6-K","SC 13G/A","FORM 6-K","FORM 6-K","SC 13G","","SC 13D","424B4","","FWP","","","","8-A12B","","","","F-1/A","","","F-1/A","","","","F-1","","","","","","","","",""]},"files":[]}}