{"cik":"0002105315","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Tree Line Direct Lending IV Unlevered, LP","tickers":[],"exchanges":[],"ein":"932783638","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"3 EMBARCADERO CENTER","street2":"SUITE 2320","city":"SAN FRANCISCO","stateOrCountry":"CA","zipCode":"94111","stateOrCountryDescription":"CA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"3 EMBARCADERO CENTER","street2":"SUITE 2320","city":"SAN FRANCISCO","stateOrCountry":"CA","zipCode":"94111","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"415-795-7580","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0002105315-26-000001"],"filingDate":["2026-01-29"],"reportDate":[""],"acceptanceDateTime":["2026-01-29T02:10:41.000Z"],"act":["33"],"form":["D"],"fileNumber":["021-571532"],"filmNumber":["26574352"],"items":["06b,3C,3C.1,3C.7"],"core_type":["D"],"size":[9126],"isXBRL":[0],"isInlineXBRL":[0],"isXBRLNumeric":[null],"primaryDocument":["xslFormDX01/primary_doc.xml"],"primaryDocDescription":[""]},"files":[]}}