{"cik":"0002096997","entityType":"operating","sic":"2834","sicDescription":"Pharmaceutical Preparations","ownerOrg":"03 Life Sciences","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Kailera Therapeutics, Inc.","tickers":["KLRA"],"exchanges":["Nasdaq"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer
Smaller reporting company
Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"180 THIRD AVENUE","street2":"4TH FLOOR","city":"WALTHAM","stateOrCountry":"MA","zipCode":"02451","stateOrCountryDescription":"MA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"180 THIRD AVENUE","street2":"4TH FLOOR","city":"WALTHAM","stateOrCountry":"MA","zipCode":"02451","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"508-440-9475","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001193125-26-239417","0001193125-26-239362","0001193125-26-174330","0001193125-26-174293","0001231919-26-000390","0001104659-26-046276","0001193125-26-164417","0001193125-26-164407","0001193125-26-164389","0001193125-26-164388","0001193125-26-164307","0001193125-26-164306","0001193125-26-164299","0001193125-26-164275","0001193125-26-164271","0001193125-26-164264","0001193125-26-164253","0001193125-26-164243","0001193125-26-164226","0001193125-26-164224","0001193125-26-164210","0001193125-26-164040","0001193125-26-161521","0001193125-26-160175","9999999995-26-001217","0001104659-26-044508","0001193125-26-159772","0001193125-26-159766","0001193125-26-159765","0001193125-26-159757","0001193125-26-159694","0001193125-26-159682","0001193125-26-159679","0001193125-26-159674","0001231919-26-000369","0001193125-26-159669","0001193125-26-159668","0001193125-26-159665","0001193125-26-159657","0001193125-26-159656","0001193125-26-159646","0001193125-26-159645","0001193125-26-159636","0001193125-26-159585","0001193125-26-159467","0001829126-26-003567","0001354457-26-000351","0001193125-26-154882","0001193125-26-151904","0001193125-26-128952","0001193125-26-046566","0001193125-25-326849"],"filingDate":["2026-05-26","2026-05-26","2026-04-23","2026-04-23","2026-04-22","2026-04-22","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-20","2026-04-17","2026-04-17","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-15","2026-04-14","2026-04-13","2026-03-27","2026-02-11","2025-12-19"],"reportDate":["2026-03-31","2026-05-26","","","2026-04-20","2026-04-20","2026-04-20","2026-04-16","2026-04-20","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-20","","","","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","2026-04-16","","2026-04-16","2026-04-16","","","","","",""],"acceptanceDateTime":["2026-05-26T20:29:25.000Z","2026-05-26T20:18:46.000Z","2026-04-24T00:01:50.000Z","2026-04-23T23:34:49.000Z","2026-04-22T20:15:07.000Z","2026-04-22T10:03:23.000Z","2026-04-20T22:10:33.000Z","2026-04-20T22:08:42.000Z","2026-04-20T22:01:46.000Z","2026-04-20T22:00:25.000Z","2026-04-20T21:19:23.000Z","2026-04-20T21:19:15.000Z","2026-04-20T21:18:00.000Z","2026-04-20T21:14:12.000Z","2026-04-20T21:13:40.000Z","2026-04-20T21:13:05.000Z","2026-04-20T21:10:09.000Z","2026-04-20T21:08:56.000Z","2026-04-20T21:05:01.000Z","2026-04-20T21:04:32.000Z","2026-04-20T21:01:51.000Z","2026-04-20T20:19:06.000Z","2026-04-17T20:06:52.000Z","2026-04-17T10:02:39.000Z","2026-04-17T04:15:15.000Z","2026-04-17T00:29:01.000Z","2026-04-17T00:27:10.000Z","2026-04-17T00:24:37.000Z","2026-04-17T00:24:31.000Z","2026-04-17T00:19:17.000Z","2026-04-16T23:49:10.000Z","2026-04-16T23:45:12.000Z","2026-04-16T23:44:46.000Z","2026-04-16T23:42:53.000Z","2026-04-16T23:41:52.000Z","2026-04-16T23:40:45.000Z","2026-04-16T23:40:40.000Z","2026-04-16T23:39:43.000Z","2026-04-16T23:35:26.000Z","2026-04-16T23:35:22.000Z","2026-04-16T23:30:47.000Z","2026-04-16T23:30:36.000Z","2026-04-16T23:27:10.000Z","2026-04-16T22:58:14.000Z","2026-04-16T21:54:10.000Z","2026-04-16T21:45:16.000Z","2026-04-15T19:30:01.000Z","2026-04-14T20:06:10.000Z","2026-04-13T10:12:55.000Z","2026-03-27T20:02:54.000Z","2026-02-11T21:10:22.000Z","2025-12-19T21:10:21.000Z"],"act":["34","34","34","34","","","","","","","","","","","","","","","","","","34","33","33","33","","","","","","","","","","","","","","","","","","","33","","","34","34","33","33","33","33"],"form":["10-Q","8-K","SCHEDULE 13D","SCHEDULE 13D","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","8-K","424B4","S-8","EFFECT","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","S-1MEF","3","3","CERT","8-A12B","S-1/A","S-1","DRS/A","DRS"],"fileNumber":["001-43233","001-43233","005-95629","005-95629","","","","","","","","","","","","","","","","","","001-43233","333-294690","333-295117","333-294690","","","","","","","","","","","","","","","","","","","333-295114","","","001-43233","001-43233","333-294690","333-294690","377-08841","377-08841"],"filmNumber":["261020337","261020115","26890128","26890100","","","","","","","","","","","","","","","","","","26875275","26871566","26869313","26869298","","","","","","","","","","","","","","","","","","","26868907","","","26863970","26860882","26856373","26807171","26620816","251587635"],"items":["","2.02,9.01","","","","","","","","","","","","","","","","","","","","5.03,8.01,9.01","","",",,","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["XBRL","XBRL","SCHEDULE 13D","SCHEDULE 13D","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","XBRL","424B4","S-8","EFFECT","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","S-1MEF","3","3","CERT","8-A12B","S-1/A","S-1","DRS/A","DRS"],"size":[9589582,375081,203984,405961,13336,12844,26320,15710,31381,11570,8097,8110,8117,8171,5315,8121,5360,8124,5354,5312,8068,404209,10099740,551796,1751,7592,6842,23333,25268,5223,25677,25999,24293,24815,8208,23364,22484,24774,26096,30558,23195,25021,24902,175787,7174,5575,180632,13876,11165434,11783494,10864950,7761774],"isXBRL":[1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,1,0,0],"isInlineXBRL":[1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,1,0,0],"isXBRLNumeric":[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,null,null,null],"primaryDocument":["ck0002096997-20260331.htm","ck0002096997-20260526.htm","xslSCHEDULE_13D_X02/primary_doc.xml","xslSCHEDULE_13D_X02/primary_doc.xml","xslF345X06/form4-04222026_040401.xml","xslF345X06/tm2612225-1_4seq1.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","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","d137434d8k.htm","d113532d424b4.htm","d135698ds8.htm","xslEFFECTX01/primary_doc.xml","xslF345X06/tm2611862-1_3seq1.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","xslF345X06/form3-04162026_110446.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","d110326ds1mef.htm","xslF345X06/ownership.xml","xslF345X06/ownership.xml","2096997_8A_Cert_KLRA.pdf","d138694d8a12b.htm","d113532ds1a.htm","d113532ds1.htm","filename1.htm","filename1.htm"],"primaryDocDescription":["10-Q","8-K","","","","OWNERSHIP DOCUMENT","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","8-K","424B4","S-8","","OWNERSHIP DOCUMENT","3","3","3","3","3","3","3","3","","3","3","3","3","3","3","3","3","S-1MEF","3","FORM 3","","8-A12B","S-1/A","S-1","",""]},"files":[]}}