{"cik":"0001839970","entityType":"other","sic":"2834","sicDescription":"Pharmaceutical Preparations","ownerOrg":"03 Life Sciences","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"BlossomHill Therapeutics, Inc.","tickers":["BLSM"],"exchanges":[null],"ein":"851578711","lei":null,"description":"","website":"","investorWebsite":"","category":"
Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"10255 SCIENCE CENTER DRIVE","street2":"SUITE 200","city":"SAN DIEGO","stateOrCountry":"CA","zipCode":null,"stateOrCountryDescription":"CA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"10255 SCIENCE CENTER DRIVE","street2":"SUITE 200","city":"SAN DIEGO","stateOrCountry":"CA","zipCode":null,"stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"858-732-3880","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000947871-26-000813","0001213900-26-090726","0001193125-26-352634","0000929638-26-003026","0000947871-26-000785","0000947871-26-000784","0001478916-26-000015","0001282930-26-000008","0001231919-26-000852","0001840599-26-000003","0001678152-26-000003","0002143905-26-000003","0002144320-26-000003","0001772233-26-000005","0001772259-26-000005","0001193125-26-342572","0001193125-26-342316","0001193125-26-340215","9999999995-26-002565","0000947871-26-000751","0001478916-26-000014","0001575202-26-000013","0001840599-26-000002","0001282930-26-000007","0001231919-26-000839","0002143905-26-000002","0002144320-26-000002","0001678152-26-000002","0001772233-26-000004","0001772259-26-000004","0001193125-26-338734","0001354457-26-000767","0001193125-26-332998","0001193125-26-329416","0001193125-26-306506","0001193125-26-267857","0001193125-26-177693","0001231919-25-000592","0001839970-24-000001","0001839970-21-000002","0001839970-21-000001"],"filingDate":["2026-08-18","2026-08-17","2026-08-14","2026-08-13","2026-08-12","2026-08-12","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-10","2026-08-07","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-04","2026-08-03","2026-07-17","2026-06-11","2026-04-24","2025-12-10","2024-01-02","2021-03-01","2021-01-11"],"reportDate":["","","","","2026-08-10","2026-08-10","2026-08-10","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","","2026-08-10","","","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","2026-08-06","","","","","","","","","","",""],"acceptanceDateTime":["2026-08-18T20:53:22.000Z","2026-08-17T19:46:46.000Z","2026-08-14T21:18:59.000Z","2026-08-13T20:12:30.000Z","2026-08-12T20:46:16.000Z","2026-08-12T20:43:49.000Z","2026-08-10T22:35:10.000Z","2026-08-10T22:33:43.000Z","2026-08-10T22:32:08.000Z","2026-08-10T22:29:03.000Z","2026-08-10T22:27:21.000Z","2026-08-10T22:26:05.000Z","2026-08-10T22:24:51.000Z","2026-08-10T22:23:18.000Z","2026-08-10T22:22:07.000Z","2026-08-10T20:48:49.000Z","2026-08-10T20:01:18.000Z","2026-08-07T20:02:40.000Z","2026-08-07T04:15:18.000Z","2026-08-07T01:09:24.000Z","2026-08-07T00:48:11.000Z","2026-08-07T00:47:05.000Z","2026-08-07T00:46:02.000Z","2026-08-07T00:43:16.000Z","2026-08-07T00:39:35.000Z","2026-08-07T00:38:11.000Z","2026-08-07T00:37:10.000Z","2026-08-07T00:35:54.000Z","2026-08-07T00:31:51.000Z","2026-08-07T00:30:46.000Z","2026-08-06T23:48:52.000Z","2026-08-06T21:17:24.000Z","2026-08-04T20:41:39.000Z","2026-08-03T10:03:55.000Z","2026-07-17T00:13:49.000Z","2026-06-11T21:05:45.000Z","2026-04-24T21:18:07.000Z","2025-12-10T16:58:38.000Z","2024-01-02T13:15:12.000Z","2021-03-01T17:15:35.000Z","2021-01-11T21:23:29.000Z"],"act":["34","34","34","34","","","","","","","","","","","","33","34","33","33","","","","","","","","","","","","33","34","34","33","33","33","33","33","33","33","33"],"form":["SCHEDULE 13D","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13D","4","4","4","4","4","4","4","4","4","4","4","S-8","8-K","424B4","EFFECT","3","3","3","3","3","3","3","3","3","3","3","S-1MEF","CERT","8-A12B","S-1/A","S-1","DRS/A","DRS","D","D","D","D"],"fileNumber":["005-95874","005-95874","005-95874","005-95874","","","","","","","","","","","","333-298196","001-43435","333-297512","333-297512","","","","","","","","","","","","333-298097","001-43435","001-43435","333-297512","333-297512","377-09295","377-09295","021-566357","021-501240","021-390805","021-385888"],"filmNumber":["261291656","261286544","261283724","261273479","","","","","","","","","","","","261259211","261258265","261253849","261251227","","","","","","","","","","","","261250988","261250445","261239553","261230297","261181657","261084022","26895751","251561333","24500353","21696090","21521051"],"items":["","","","","","","","","","","","","","","","","5.03,8.01,9.01","",",,","","","","","","","","","","","","","","","","","","","06b","06b","06b","06b"],"core_type":["SCHEDULE 13D","SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13D","4","4","4","4","4","4","4","4","4","4","4","S-8","XBRL","424B4","EFFECT","3","3","3","3","3","3","3","3","3","3","3","S-1MEF","CERT","8-A12B","S-1/A","S-1","DRS/A","DRS","D","D","D","D"],"size":[29281,13760,10849,54114,14877,16975,4750,5972,27640,10207,7086,12865,5669,19274,19206,247926,186776,13568683,1754,9344,9810,9393,11887,12076,23104,11057,11694,9791,14610,14533,191517,180946,14765,15835709,15626893,12060555,9337561,11150,10922,9215,6808],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,1,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,1,0,0,0,0,0,0],"isXBRLNumeric":[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,null],"primaryDocument":["xslSCHEDULE_13D_X02/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","xslSCHEDULE_13D_X02/primary_doc.xml","xslF345X06/ownership.xml","xslF345X06/ownership.xml","xslF345X06/form4-08102026_100806.xml","xslF345X06/form4-08102026_100839.xml","xslF345X06/form4-08102026_100859.xml","xslF345X06/form4-08102026_100855.xml","xslF345X06/form4-08102026_100815.xml","xslF345X06/form4-08102026_100801.xml","xslF345X06/form4-08102026_100847.xml","xslF345X06/form4-08102026_100812.xml","xslF345X06/form4-08102026_100800.xml","d146110ds8.htm","d138762d8k.htm","d98958d424b4.htm","xslEFFECTX01/primary_doc.xml","xslF345X06/ownership.xml","xslF345X06/form3-08072026_120807.xml","xslF345X06/form3-08072026_120801.xml","xslF345X06/form3-08072026_120858.xml","xslF345X06/form3-08072026_120812.xml","xslF345X06/form3-08072026_120822.xml","xslF345X06/form3-08072026_120806.xml","xslF345X06/form3-08072026_120806.xml","xslF345X06/form3-08072026_120850.xml","xslF345X06/form3-08072026_120846.xml","xslF345X06/form3-08072026_120840.xml","d144811ds1mef.htm","8A_Cert_1839970.pdf","d148192d8a12b.htm","d98958ds1a.htm","d98958ds1.htm","filename1.htm","filename1.htm","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["","","","","","","","","","","","","","","","S-8","8-K","424B4","","","","","","","","","","","","","S-1MEF","","8-A12B","S-1/A: AMENDMENT NO. 1","S-1","","","","","",""]},"files":[]}}