{"cik":"0002090598","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Altera Secondary Fund, LLC","tickers":[],"exchanges":[],"ein":"392905314","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"3550 PEACHTREE ROAD NE","street2":"SUITE 260","city":"ATLANTA","stateOrCountry":"GA","zipCode":"30326","stateOrCountryDescription":"GA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"3550 PEACHTREE ROAD NE","street2":"SUITE 260","city":"ATLANTA","stateOrCountry":"GA","zipCode":"30326","stateOrCountryDescription":"GA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"404-537-2759","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0002090598-26-000004","0002090598-26-000003","0002090598-26-000001","0002090598-25-000001"],"filingDate":["2026-05-20","2026-04-06","2026-01-08","2025-11-19"],"reportDate":["","","",""],"acceptanceDateTime":["2026-05-20T17:43:03.000Z","2026-04-06T16:17:43.000Z","2026-01-08T19:52:12.000Z","2025-11-19T21:39:52.000Z"],"act":["33","33","33","33"],"form":["D/A","D/A","D/A","D"],"fileNumber":["021-564482","021-564482","021-564482","021-564482"],"filmNumber":["261003157","26840184","26519216","251499851"],"items":["06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7"],"core_type":["D/A","D/A","D/A","D"],"size":[8275,8274,8453,8359],"isXBRL":[0,0,0,0],"isInlineXBRL":[0,0,0,0],"isXBRLNumeric":[0,0,null,null],"primaryDocument":["xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["","","",""]},"files":[]}}