{"cik":"0002034334","entityType":"operating","sic":"6770","sicDescription":"Blank Checks","ownerOrg":"05 Real Estate & Construction","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Artius II Acquisition Inc.","tickers":["AACB","AACBR","AACBU"],"exchanges":["Nasdaq","Nasdaq","Nasdaq"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer
Smaller reporting company
Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"E9","stateOfIncorporationDescription":"Cayman Islands","addresses":{"mailing":{"street1":"3 COLUMBUS CIRCLE","street2":"SUITE 2215","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"3 COLUMBUS CIRCLE","street2":"SUITE 2215","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"212 309 7668","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001140361-26-019319","0001140361-26-011804","0001140361-26-010274","0001140361-26-008271","0001062993-26-000979","0001326389-26-000020","0001193125-26-051262","0001193125-25-282890","0001140361-25-040841","0000950170-25-108828","0001085146-25-005070","0001140361-25-029301","0001326389-25-000227","0001076809-25-000041","0000950170-25-071420","0001085146-25-003014","0001085146-25-002819","0001085146-25-002789","0001140361-25-017748","0001140361-25-012382","0001140361-25-005418","0000950170-25-023142","0001140361-25-004928","0001140361-25-004746","0001140361-25-004482","0001354457-25-000103","9999999995-25-000408","0001140361-25-004080","0001140361-25-004074","0001140361-25-004068","0001140361-25-004066","0001140361-25-004064","0001140361-25-004060","0001140361-25-003740","0001140361-25-003739","0001140361-25-003614","0001140361-25-003452","0001140361-25-003447","0000000000-25-001203","0001140361-25-002368","0001140361-24-048527","0001140361-24-048525","0001140361-24-048277","0001140361-24-048275","0001140361-24-047990","0001140361-24-047164","0001140361-24-047163","0000000000-24-012637","0001140361-24-045379","0001140361-24-045377","0000000000-24-011211","0001140361-24-041721","0001140361-24-041719","0001140361-24-041716","0000000000-24-010485","0001140361-24-037849"],"filingDate":["2026-05-06","2026-03-27","2026-03-19","2026-03-06","2026-02-17","2026-02-17","2026-02-13","2025-11-14","2025-11-07","2025-08-14","2025-08-14","2025-08-07","2025-05-15","2025-05-15","2025-05-14","2025-05-13","2025-05-08","2025-05-08","2025-05-07","2025-04-04","2025-02-21","2025-02-19","2025-02-14","2025-02-14","2025-02-14","2025-02-13","2025-02-12","2025-02-12","2025-02-12","2025-02-12","2025-02-12","2025-02-12","2025-02-12","2025-02-10","2025-02-10","2025-02-10","2025-02-06","2025-02-06","2025-02-04","2025-01-29","2024-12-05","2024-12-05","2024-12-03","2024-12-03","2024-11-27","2024-11-18","2024-11-18","2024-11-14","2024-11-06","2024-11-06","2024-10-04","2024-09-24","2024-09-24","2024-09-24","2024-09-16","2024-08-20"],"reportDate":["2026-03-31","2026-03-23","2025-12-31","2026-03-04","","","","","2025-09-30","","","2025-06-30","","","","","","","2025-03-31","2025-04-04","2025-02-14","","","2025-02-12","","","","2025-02-12","2025-02-12","2025-02-12","2025-02-12","","2025-02-12","","","","","","","","","","","","","","","","","","","","","","",""],"acceptanceDateTime":["2026-05-06T20:47:46.000Z","2026-03-27T21:25:15.000Z","2026-03-19T01:00:04.000Z","2026-03-06T21:40:38.000Z","2026-02-17T19:46:07.000Z","2026-02-17T14:18:25.000Z","2026-02-13T21:00:02.000Z","2025-11-14T21:05:02.000Z","2025-11-07T00:34:54.000Z","2025-08-14T20:01:03.000Z","2025-08-14T13:22:40.000Z","2025-08-07T01:10:19.000Z","2025-05-15T21:04:51.000Z","2025-05-15T19:51:20.000Z","2025-05-14T20:15:20.000Z","2025-05-13T13:39:32.000Z","2025-05-08T17:56:47.000Z","2025-05-08T16:57:20.000Z","2025-05-07T21:16:32.000Z","2025-04-04T21:04:38.000Z","2025-02-21T21:00:25.000Z","2025-02-19T21:05:04.000Z","2025-02-14T23:59:18.000Z","2025-02-14T21:01:37.000Z","2025-02-14T11:04:08.000Z","2025-02-13T13:21:11.000Z","2025-02-13T05:15:09.000Z","2025-02-12T22:18:10.000Z","2025-02-12T22:12:01.000Z","2025-02-12T22:04:49.000Z","2025-02-12T21:59:11.000Z","2025-02-12T21:54:01.000Z","2025-02-12T21:48:33.000Z","2025-02-10T21:16:26.000Z","2025-02-10T21:15:20.000Z","2025-02-10T11:15:40.000Z","2025-02-06T22:16:50.000Z","2025-02-06T22:15:56.000Z","2025-02-04T23:36:04.000Z","2025-01-29T22:15:42.000Z","2024-12-06T01:51:14.000Z","2024-12-06T01:45:59.000Z","2024-12-03T20:07:58.000Z","2024-12-03T20:03:46.000Z","2024-11-27T21:34:42.000Z","2024-11-18T21:13:32.000Z","2024-11-18T21:12:38.000Z","2024-11-14T20:36:15.000Z","2024-11-06T17:45:49.000Z","2024-11-06T17:44:59.000Z","2024-10-04T15:36:15.000Z","2024-09-24T18:12:13.000Z","2024-09-24T18:08:43.000Z","2024-09-24T18:05:13.000Z","2024-09-16T21:36:08.000Z","2024-08-20T01:58:44.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","34","33","","","","","34","","","","33","","33","","33","","","","","33","","33","","","33","","","","33","","33"],"form":["10-Q","8-K","10-K","8-K","SCHEDULE 13G","SCHEDULE 13G/A","SCHEDULE 13G/A","SCHEDULE 13G/A","10-Q","SCHEDULE 13G/A","SCHEDULE 13G/A","10-Q","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G/A","SCHEDULE 13G","10-Q","8-K","8-K","SCHEDULE 13G","SCHEDULE 13G","8-K","424B4","CERT","EFFECT","3","3","3","3","8-A12B","3","CORRESP","CORRESP","S-1/A","CORRESP","S-1/A","UPLOAD","S-1/A","CORRESP","CORRESP","CORRESP","CORRESP","S-1/A","CORRESP","S-1/A","UPLOAD","CORRESP","S-1","UPLOAD","DRSLTR","DRSLTR","DRS/A","UPLOAD","DRS"],"fileNumber":["001-42521","001-42521","001-42521","001-42521","005-94887","005-94887","005-94887","005-94887","001-42521","005-94887","005-94887","001-42521","005-94887","005-94887","005-94887","005-94887","005-94887","005-94887","001-42521","001-42521","001-42521","005-94887","005-94887","001-42521","333-283020","001-42521","333-283020","","","","","001-42521","","","","333-283020","","333-283020","377-07396","333-283020","","","","","333-283020","","333-283020","377-07396","","333-283020","377-07396","","","377-07396","377-07396","377-07396"],"filmNumber":["26949348","26808692","26771902","26731678","26639884","26637078","26632280","251485741","251460057","251218412","251214881","251191275","25955192","25952131","25945710","25937589","25925260","25925019","25922744","25815674","25651574","25639870","25631863","25628074","25622832","25617320","25616918","","","","","25615696","","","","25603562","","25598406","","25570317","","","","","241511760","","241471617","","","241429967","","","","241319170","","241222509"],"items":["","1.01,3.01,9.01","","1.01,2.03,3.01,3.02,9.01","","","","","","","","","","","","","","","","8.01,9.01","8.01,9.01","","","8.01,9.01","","",",,","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["XBRL","XBRL","XBRL","XBRL","SCHEDULE 13G","SCHEDULE 13G/A","SCHEDULE 13G/A","SCHEDULE 13G/A","XBRL","SCHEDULE 13G/A","SCHEDULE 13G/A","XBRL","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G/A","SCHEDULE 13G","XBRL","XBRL","XBRL","SCHEDULE 13G","SCHEDULE 13G","XBRL","424B4","CERT","EFFECT","3","3","3","3","8-A12B","3","CORRESP","CORRESP","S-1/A","CORRESP","S-1/A","LETTER","S-1/A","CORRESP","CORRESP","CORRESP","CORRESP","S-1/A","CORRESP","S-1/A","LETTER","CORRESP","S-1","LETTER","DRSLTR","DRSLTR","DRS/A","LETTER","DRS"],"size":[3759123,261081,4856852,259605,7647,6901,8291,17530,4175121,17431,10210,3905711,6474,9045,8290,10182,190059,190359,3789061,254071,393229,16887,11301,1814224,2210962,247951,1762,22027,14318,13800,13734,17780,10063,9139,10900,2341621,12739,2404785,43856,3937654,8827,9157,9179,8087,2319865,1861442,2322310,48535,633262,4324824,45453,391634,369003,2959625,57079,4172524],"isXBRL":[1,1,1,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[1,1,1,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[1,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":["ef20070438_10-q.htm","ef20069206_8k.htm","ef20060650_10k.htm","ef20067389_8k.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","ef20054954_10q.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","ef20051583_10q.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","ef20046460_10q.htm","ef20046903_8k.htm","ef20043975_8k.htm","xslSCHEDULE_13G_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","ny20034162x22_8k.htm","ny20034162x23_424b4.htm","8A_Cert_AACB.pdf","xslEFFECTX01/primary_doc.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","ef20043265_8a12b.htm","xslF345X02/form3.xml","filename1.htm","filename1.htm","ny20034162x19_s1a.htm","filename1.htm","ny20034162x17_s1a.htm","filename1.pdf","ny20034162x15_s1a.htm","filename1.htm","filename1.htm","filename1.htm","filename1.htm","ny20034162x9_s1a.htm","filename1.htm","ny20034162x7_s1a.htm","filename1.pdf","filename1.htm","ny20034162x5_s1.htm","filename1.pdf","filename1.htm","filename1.htm","filename1.htm","filename1.pdf","filename1.htm"],"primaryDocDescription":["10-Q","8-K","10-K","8-K","","","","","10-Q","","","QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)","","","","","","","10-Q","8-K","8-K","","","FORM 8-K","424B4","","","FORM 3","FORM 3","FORM 3","FORM 3","8-A12B","FORM 3","","","S-1/A","","S-1/A","","S-1A","","","","","S-1/A","","S-1/A","","","S-1","","","","","",""]},"files":[]}}