{"cik":"0002027235","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"GCM GROSVENOR MULTI-ASSET CLASS FUND III (A), L.P.","tickers":[],"exchanges":[],"ein":"931603416","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"C/O GROSVENOR CAPITAL MANAGEMENT, L.P.","street2":"900 N. MICHIGAN AVE., STE 1100","city":"CHICAGO","stateOrCountry":"IL","zipCode":"60611","stateOrCountryDescription":"IL","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"C/O GROSVENOR CAPITAL MANAGEMENT, L.P.","street2":"900 N. MICHIGAN AVE., STE 1100","city":"CHICAGO","stateOrCountry":"IL","zipCode":"60611","stateOrCountryDescription":"IL","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"3125066500","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001104659-26-039894","0000898432-24-000483"],"filingDate":["2026-04-06","2024-06-18"],"reportDate":["",""],"acceptanceDateTime":["2026-04-06T19:07:14.000Z","2024-06-18T00:41:38.000Z"],"act":["IC","33"],"form":["40-APP/A","D"],"fileNumber":["812-15893-36","021-516261"],"filmNumber":["26840764","241049923"],"items":["","06b,3C,3C.7"],"core_type":["40-APP/A","D"],"size":[172547,17648],"isXBRL":[0,0],"isInlineXBRL":[0,0],"isXBRLNumeric":[0,null],"primaryDocument":["tm2534165d1_40appa.htm","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["40-APP/A",""]},"files":[]}}