{"cik":"0002114044","entityType":"operating","sic":"2836","sicDescription":"Biological Products, (No Diagnostic Substances)","ownerOrg":"03 Life Sciences","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Hemab Therapeutics Holdings, Inc.","tickers":["COAG"],"exchanges":["Nasdaq"],"ein":"414241952","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"101 MAIN STREET","street2":"SUITE 1220","city":"CAMBRIDGE","stateOrCountry":"MA","zipCode":"02142","stateOrCountryDescription":"MA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"101 MAIN STREET","street2":"SUITE 1220","city":"CAMBRIDGE","stateOrCountry":"MA","zipCode":"02142","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"45 2138 7627","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001388325-26-000046","0000902664-26-003462","0001562230-26-000124","0001193125-26-344533","0001193125-26-343421","0002005369-26-000041","0000315066-26-002021","0001104659-26-090835","0001231919-26-000665","0001231919-26-000521","0001193125-26-234386","0001193125-26-233375","0001231919-26-000495","0001193125-26-223979","0001346824-26-000127","0001231919-26-000475","0001193125-26-216973","0001193125-26-216699","0001172661-26-001639","0001231919-26-000457","0001388325-26-000023","0001193125-26-204048","0001193125-26-204041","0001193125-26-204033","0001193125-26-203988","0001193125-26-201820","0001193125-26-201458","9999999995-26-001409","0001388325-26-000019","0001231919-26-000435","0001193125-26-198220","0001193125-26-198207","0001193125-26-198205","0001193125-26-198200","0001193125-26-198198","0001193125-26-198190","0001193125-26-198189","0001193125-26-198176","0001193125-26-197828","0001354457-26-000393","0001193125-26-193885","0001193125-26-186964","0001193125-26-181893","0001193125-26-178809","0001193125-26-151378","0001193125-26-140464","0001193125-26-081986"],"filingDate":["2026-08-14","2026-08-14","2026-08-12","2026-08-11","2026-08-11","2026-08-07","2026-08-06","2026-08-05","2026-06-17","2026-05-21","2026-05-21","2026-05-21","2026-05-14","2026-05-14","2026-05-11","2026-05-11","2026-05-11","2026-05-11","2026-05-08","2026-05-06","2026-05-06","2026-05-04","2026-05-04","2026-05-04","2026-05-04","2026-05-04","2026-05-01","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-28","2026-04-27","2026-04-27","2026-04-10","2026-04-02","2026-02-27"],"reportDate":["","","","2026-06-30","2026-08-11","","","","2026-06-15","2026-05-19","2026-03-31","2026-05-21","2026-05-12","2026-05-04","","2026-05-07","","2026-05-08","","2026-05-04","2026-05-04","2026-01-29","2026-01-29","2026-01-29","2026-05-04","","","","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","2026-04-30","","","","","","","","",""],"acceptanceDateTime":["2026-08-14T21:05:45.000Z","2026-08-14T13:01:34.000Z","2026-08-12T14:28:16.000Z","2026-08-11T20:00:45.000Z","2026-08-11T11:11:07.000Z","2026-08-07T13:31:48.000Z","2026-08-06T14:28:17.000Z","2026-08-05T14:38:08.000Z","2026-06-17T22:24:22.000Z","2026-05-21T20:20:00.000Z","2026-05-21T20:02:18.000Z","2026-05-21T11:05:12.000Z","2026-05-14T21:21:00.000Z","2026-05-14T20:05:05.000Z","2026-05-11T21:46:30.000Z","2026-05-11T21:44:01.000Z","2026-05-11T20:43:47.000Z","2026-05-11T20:01:15.000Z","2026-05-08T20:18:42.000Z","2026-05-06T23:16:36.000Z","2026-05-06T20:55:22.000Z","2026-05-04T20:20:06.000Z","2026-05-04T20:18:33.000Z","2026-05-04T20:16:30.000Z","2026-05-04T20:09:03.000Z","2026-05-01T21:58:56.000Z","2026-05-01T20:14:08.000Z","2026-05-01T04:15:23.000Z","2026-04-30T22:37:52.000Z","2026-04-30T22:36:31.000Z","2026-04-30T22:30:03.000Z","2026-04-30T22:23:23.000Z","2026-04-30T22:22:56.000Z","2026-04-30T22:21:35.000Z","2026-04-30T22:21:30.000Z","2026-04-30T22:18:35.000Z","2026-04-30T22:18:34.000Z","2026-04-30T22:17:59.000Z","2026-04-30T21:13:23.000Z","2026-04-30T18:26:04.000Z","2026-04-30T10:39:54.000Z","2026-04-28T20:08:02.000Z","2026-04-27T20:01:42.000Z","2026-04-27T11:09:29.000Z","2026-04-10T20:41:15.000Z","2026-04-02T21:07:14.000Z","2026-02-27T19:14:21.000Z"],"act":["34","34","34","34","34","34","34","34","","","34","34","","","34","","34","34","34","","","","","","34","33","33","33","","","","","","","","","","","33","34","33","33","34","33","33","33","33"],"form":["SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","10-Q","8-K","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","4","4","10-Q","8-K","4","3","SCHEDULE 13G","4","SCHEDULE 13D","8-K","SCHEDULE 13G","4","4","4","4","4","8-K","S-8","424B4","EFFECT","3","3","3","3","3","3","3","3","3","3","S-1MEF","CERT","S-1/A","S-1/A","8-A12B","S-1/A","S-1","DRS/A","DRS"],"fileNumber":["005-95667","005-95667","005-95667","001-43250","001-43250","005-95667","005-95667","005-95667","","","001-43250","001-43250","","","005-95667","","005-95667","001-43250","005-95667","","","","","","001-43250","333-295513","333-294989","333-294989","","","","","","","","","","","333-295466","001-43250","333-294989","333-294989","001-43250","333-294989","333-294989","377-09105","377-09105"],"filmNumber":["261283530","261276608","261265783","261263020","261260596","261251839","261247037","261241855","","","261008256","261005865","","","26964752","","26963997","26962989","26958644","","","","","","26937633","26934080","26932689","26928620","","","","","","","","","","","26927187","26923452","26919910","26907727","26900779","26896480","26855445","26835185","26697551"],"items":["","","","","2.02,9.01","","","","","","","2.02,9.01","","","","","","5.02","","","","","","","5.03,8.01,9.01","","",",,","","","","","","","","","","","","","","","","","","",""],"core_type":["SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","XBRL","XBRL","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","4","4","XBRL","XBRL","4","3","SCHEDULE 13G","4","SCHEDULE 13D","XBRL","SCHEDULE 13G","4","4","4","4","4","XBRL","S-8","424B4","EFFECT","3","3","3","3","3","3","3","3","3","3","S-1MEF","CERT","S-1/A","S-1/A","8-A12B","S-1/A","S-1","DRS/A","DRS"],"size":[6881,17927,7616,10258167,251327,25167,11630,32712,15348,15346,6736905,217972,13240,26402,19678,21653,695336,141122,13024,42855,14058,12467,7842,7825,383888,232416,6236922,1788,8516,21057,32266,29853,28985,31881,27963,28866,28289,32350,197857,564698,6486798,155480,14299,8473527,7654652,7225018,6635898],"isXBRL":[0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,1,1,0,0],"isInlineXBRL":[0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,1,1,0,0],"isXBRLNumeric":[0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"primaryDocument":["xslSCHEDULE_13G_X02/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","coag-20260630.htm","d180684d8k.htm","xslSCHEDULE_13G_X02/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","xslF345X06/form4-06172026_100616.xml","xslF345X06/form4-05212026_080553.xml","d845757d10q.htm","d102408d8k.htm","xslF345X06/form4-05142026_090553.xml","xslF345X06/ownership.xml","xslSCHEDULE_13G_X02/primary_doc.xml","xslF345X06/form4-05112026_090554.xml","xslSCHEDULE_13D_X02/primary_doc.xml","d141757d8k.htm","xslSCHEDULE_13G_X02/primary_doc.xml","xslF345X06/form4-05062026_110527.xml","xslF345X06/form4-05062026_080518.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","d149100d8k.htm","d125427ds8.htm","d50309d424b4.htm","xslEFFECTX01/primary_doc.xml","xslF345X06/form3-04302026_100448.xml","xslF345X06/form3-04302026_100424.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","d133636ds1mef.htm","COAG_8A_Cert_2114044.pdf","d50309ds1a.htm","d50309ds1a.htm","d246501d8a12b.htm","d50309ds1a.htm","d50309ds1.htm","filename1.htm","filename1.htm"],"primaryDocDescription":["","","","10-Q","8-K","","","","","","10-Q","8-K","","3","","","","8-K","","","","4","4","4","8-K","S-8","424B4","","","","3","3","3","3","3","3","3","3","S-1MEF","","S-1/A","S-1/A","8-A12B","S-1/A","S-1","",""]},"files":[]}}