{"cik":"0002163100","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Frontier18 I LLC","tickers":[],"exchanges":[],"ein":"432385404","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1111 BEACON STREET, NO. 61","street2":null,"city":"BROOKLINE","stateOrCountry":"MA","zipCode":"02446","stateOrCountryDescription":"MA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1111 BEACON STREET, NO. 61","street2":null,"city":"BROOKLINE","stateOrCountry":"MA","zipCode":"02446","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"202-262-9189","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001099910-26-000294"],"filingDate":["2026-11-03"],"reportDate":[""],"acceptanceDateTime":["2026-11-03T18:39:49.000Z"],"act":["33"],"form":["D"],"fileNumber":["021-603418"],"filmNumber":["261516046"],"items":["06b,3C,3C.1"],"core_type":["D"],"size":[7446],"isXBRL":[0],"isInlineXBRL":[0],"isXBRLNumeric":[0],"primaryDocument":["xslFormDX01/primary_doc.xml"],"primaryDocDescription":[""]},"files":[]}}