{"cik":"0002164437","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Series Fund X, a series of UM Pre-IPO Portfolio Fund II LLC","tickers":[],"exchanges":[],"ein":"432235565","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1325 AVENUE OF THE AMERICAS","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1325 AVENUE OF THE AMERICAS","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"5162814242","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0002164437-26-000001"],"filingDate":["2026-11-09"],"reportDate":[""],"acceptanceDateTime":["2026-11-09T21:15:28.000Z"],"act":["33"],"form":["D"],"fileNumber":["021-604133"],"filmNumber":["261536151"],"items":["06c"],"core_type":["D"],"size":[10359],"isXBRL":[0],"isInlineXBRL":[0],"isXBRLNumeric":[0],"primaryDocument":["xslFormDX01/primary_doc.xml"],"primaryDocDescription":[""]},"files":[]}}