{"cik":"0001322361","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"MASTR Adjustable Rate Mortgages Trust 2005-3","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1285 AVENUE OF THE AMERICAS","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1285 AVE OF THE AMERICAS","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2127132000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001056404-06-001671","0001056404-06-000909","0001056404-06-000125","0001056404-05-004295","0001056404-05-003614","0001056404-05-003242","0001056404-05-003074","0001056404-05-002758","0001056404-05-002348","0001056404-05-002195","0001056404-05-001998","0000914121-05-000745","0000950117-05-001187"],"filingDate":["2006-03-31","2006-01-27","2006-01-04","2005-12-06","2005-10-31","2005-09-28","2005-09-01","2005-08-02","2005-06-29","2005-06-01","2005-04-29","2005-04-13","2005-03-30"],"reportDate":["2005-12-31","","2005-12-27","2005-11-25","2005-10-25","2005-09-26","2005-08-25","2005-07-25","2005-06-27","2005-05-25","2005-04-25","2005-03-30",""],"acceptanceDateTime":["2006-03-31T18:30:44.000Z","2006-01-27T20:35:35.000Z","2006-01-04T20:41:57.000Z","2005-12-05T23:09:44.000Z","2005-10-31T16:08:36.000Z","2005-09-28T20:51:26.000Z","2005-09-01T21:04:29.000Z","2005-08-02T16:06:36.000Z","2005-06-29T18:52:27.000Z","2005-06-01T12:48:18.000Z","2005-04-29T16:05:49.000Z","2005-04-13T18:48:22.000Z","2005-03-30T22:08:58.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","33"],"form":["10-K","15-15D","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","424B5"],"fileNumber":["333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64","333-106982-64"],"filmNumber":["06727291","06557601","06507372","051245334","051165249","051108694","051065301","05990765","05924168","05869066","05783658","05748184","05715109"],"items":["","","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01","8.01,9.01",""],"core_type":["10-K","15-15D","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","8-K","424B5"],"size":[103347,4186,182576,166185,164341,167906,163862,164943,75037,74632,74593,634348,1232467],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["mam05003_10k-2005.txt","mam05003_15-2005.txt","mam05003_8k-200512.txt","mam05003_8k-200511.txt","mam05003_10510.txt","mam05003_10509.txt","mam05003_10508.txt","mam05003_10507.txt","mam05003_10506.txt","mam05003_10505.txt","mam05003_10504.txt","ma829338-8k.txt","a39506.txt"],"primaryDocDescription":["","","","","","","","","","","","CURRENT REPORT","UBS MARM 2005-3"]},"files":[]}}