{"cik":"0002099637","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Basis Set Ventures IV, L.P.","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"325 SHARON PARK DR, SUITE 603","street2":null,"city":"MENLO PARK","stateOrCountry":"CA","zipCode":"94025","stateOrCountryDescription":"CA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"325 SHARON PARK DR, SUITE 603","street2":null,"city":"MENLO PARK","stateOrCountry":"CA","zipCode":"94025","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"253-221-8239","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0002099637-25-000001"],"filingDate":["2025-12-12"],"reportDate":[""],"acceptanceDateTime":["2025-12-12T22:08:42.000Z"],"act":["33"],"form":["D"],"fileNumber":["021-566720"],"filmNumber":["251569055"],"items":["06b,3C,3C.7"],"core_type":["D"],"size":[7277],"isXBRL":[0],"isInlineXBRL":[0],"isXBRLNumeric":[null],"primaryDocument":["xslFormDX01/primary_doc.xml"],"primaryDocDescription":[""]},"files":[]}}