{"cik":"0002139456","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"MCM 4 a Series of PCXS LLC","tickers":[],"exchanges":[],"ein":"422915676","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"2093 PHILADELPHIA PIKE","street2":"5885","city":"CLAYMONT","stateOrCountry":"DE","zipCode":"19703","stateOrCountryDescription":"DE","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"2093 PHILADELPHIA PIKE","street2":"5885","city":"CLAYMONT","stateOrCountry":"DE","zipCode":"19703","stateOrCountryDescription":"DE","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"(360) 946-0604","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0002139456-26-000001"],"filingDate":["2026-07-07"],"reportDate":[""],"acceptanceDateTime":["2026-07-07T18:01:46.000Z"],"act":["33"],"form":["D"],"fileNumber":["021-589787"],"filmNumber":["261158900"],"items":["06b,3C,3C.1"],"core_type":["D"],"size":[7258],"isXBRL":[0],"isInlineXBRL":[0],"isXBRLNumeric":[0],"primaryDocument":["xslFormDX01/primary_doc.xml"],"primaryDocDescription":[""]},"files":[]}}