{"cik":"0001355761","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"MASTR Asset Backed Securities Trust 2006-WMC1","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":["0001056404-07-001609","0001056404-07-000713","0001056404-07-000484","0001056404-07-000204","0001056404-06-004332","0001056404-06-003768","0001056404-06-003530","0001056404-06-003139","0001056404-06-002786","0001056404-06-002493","0001056404-06-002231","0000882377-06-002183","0001056404-06-002149","0001056404-06-001986","0001056404-06-001924","0000882377-06-001389","0000882377-06-001345","0000882377-06-001219","0000882377-06-001164","0001140361-06-004600","0000891092-06-000578"],"filingDate":["2007-04-02","2007-01-26","2007-01-19","2007-01-09","2006-12-12","2006-11-08","2006-11-07","2006-10-04","2006-08-31","2006-08-03","2006-07-03","2006-06-20","2006-06-08","2006-05-19","2006-05-09","2006-04-25","2006-04-21","2006-04-07","2006-04-04","2006-03-27","2006-03-10"],"reportDate":["2006-12-31","","2007-01-17","2006-12-26","2006-11-27","2006-10-25","2006-11-01","2006-09-25","2006-08-25","2006-07-25","2006-06-26","2006-03-09","2006-05-25","2006-04-25","2006-04-25","2006-03-09","2006-03-09","","2006-03-09","",""],"acceptanceDateTime":["2007-04-02T17:26:13.000Z","2007-01-25T23:17:34.000Z","2007-01-19T21:39:44.000Z","2007-01-09T16:17:38.000Z","2006-12-12T20:02:11.000Z","2006-11-08T19:56:21.000Z","2006-11-07T12:54:15.000Z","2006-10-04T20:14:14.000Z","2006-08-31T14:07:55.000Z","2006-08-03T19:59:10.000Z","2006-07-03T16:28:17.000Z","2006-06-20T18:07:38.000Z","2006-06-08T15:31:11.000Z","2006-05-19T17:24:03.000Z","2006-05-08T22:25:42.000Z","2006-04-25T20:25:49.000Z","2006-04-21T20:20:11.000Z","2006-04-07T18:26:57.000Z","2006-04-04T20:39:11.000Z","2006-03-27T22:11:59.000Z","2006-03-10T02:53:05.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","34"],"form":["10-K","15-15D","8-K","10-D","10-D","10-D","8-K","10-D","10-D","10-D","10-D","8-K/A","10-D","10-D/A","10-D","8-K/A","8-K","FWP","8-K","424B5","FWP"],"fileNumber":["333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22","333-124678-22"],"filmNumber":["07737314","07554191","07541244","07519404","061271352","061197043","061192005","061128511","061067013","061002046","06940070","06915034","06893136","06854551","06818138","06778331","06772895","06747516","06738609","06712585","06677451"],"items":["","","8.01","","","","6.02","","","","","2.01,9.01","","","","2.01,9.01","2.01,9.01","","9.01","",""],"core_type":["10-K","15-15D","8-K","10-D","10-D","10-D","8-K","10-D","10-D","10-D","10-D","8-K/A","10-D","10-D/A","10-D","8-K/A","8-K","FWP","8-K","424B5","FWP"],"size":[121734,4332,6304,192752,189831,178844,21776,177955,162830,160488,151061,4648594,139510,140167,139537,4527565,4519984,7969962,42343,1267510,385699],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["mab06wm1_10k-2006.txt","mab06wm1_15-2006.txt","mab06wm1_8k-20070117.txt","mab06wm1_10d-200612.txt","mab06wm1_10d-200611.txt","mab06wm1_10d-200610.txt","mab06wm1_8k-20061101.txt","mab06wm1_10d-200609.txt","mab06wm1_10d-200608.txt","mab06wm1_10d-200607.txt","mab06wm1_10d-200606.txt","d525414.htm","mab06wm1_10d-200605.txt","mab06wm1_10da-200604.txt","mab06wm1_10d-200604.txt","d496775.htm","mastr-8k2006_wmc1.htm","p060528_mls.htm","d470778.htm","form-424b5.txt","e23574fwp.txt"],"primaryDocDescription":["","","","","","","","","","","","MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC.","","","","MORTGAGE ASSET SECURITIZATION TRANSACTIONS INC","MORTGAGE ASSET SECURITIZATION TRANSACTIONS, INC.","MORTGAGE ASSET SECURITIZATION TRANSACTIONS INC.","MORTGAGE ASSET SECURITIZATION TRANSACTIONS INC","MORTGAGE ASSET 424B5 03-24-2006","FORM FWP"]},"files":[]}}