{"cik":"0001290370","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Van Kampen Unit Trusts Series 507","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"ONE PARKVIEW PLAZA","street2":null,"city":"OAK BROOK TERRACE","stateOrCountry":"IL","zipCode":"60181","stateOrCountryDescription":"IL","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"ONE PARKVIEW PLAZA","street2":null,"city":"OAK BROOK TERRACE","stateOrCountry":"IL","zipCode":"60181","stateOrCountryDescription":"IL","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"6306846397","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000891804-06-001144","0000891804-05-001438","0000891804-05-001433","0000891804-05-001352"],"filingDate":["2006-03-24","2005-05-20","2005-05-19","2005-05-05"],"reportDate":["2006-01-20","","",""],"acceptanceDateTime":["2006-03-24T19:26:19.000Z","2005-05-20T18:57:01.000Z","2005-05-19T18:27:40.000Z","2005-05-05T19:28:57.000Z"],"act":["33","33","33","33"],"form":["24F-2NT","497J","487","S-6"],"fileNumber":["333-124658","333-124658","333-124658","333-124658"],"filmNumber":["06708687","05847892","05844387","05803396"],"items":["","","",""],"core_type":["24F-2NT","497J","487","S-6"],"size":[5222,2363,207587,125464],"isXBRL":[0,0,0,0],"isInlineXBRL":[0,0,0,0],"isXBRLNumeric":[null,null,null,null],"primaryDocument":["file001.txt","file001.txt","file003.txt","file002.txt"],"primaryDocDescription":["PURSUANT TO RULE 24F-2","DEFINITIVE FILING","VEOT 507","VEOT 507"]},"files":[]}}