{"cik":"0001599261","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Mountaineer Offshore Fund, Ltd.","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"E9","stateOfIncorporationDescription":"Cayman Islands","addresses":{"mailing":{"street1":"950 3RD AVE","street2":"28TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10022","stateOrCountryDescription":"NY","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"SS&C FUND SERVICES (CAYMAN) LTD","street2":"45 MKT. ST. SUITE 3205, GARDENIA CT.","city":"CAMANA BAY, GRAND CAYMAN","stateOrCountry":"E9","zipCode":"KY1-9003","stateOrCountryDescription":"Cayman Islands","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"(646) 459-7060","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000919574-26-000371","0000919574-25-000416","0000919574-24-000458","0000919574-23-000416","0000919574-22-000401","0000919574-21-000442","0000919574-20-000531","0000919574-19-000609","0000919574-18-000601","0000919574-17-000743","0000919574-16-009711","0000919574-15-000862","0000919574-14-000592"],"filingDate":["2026-01-16","2025-01-17","2024-01-19","2023-01-20","2022-01-21","2021-01-22","2020-01-24","2019-01-25","2018-01-25","2017-01-25","2016-01-29","2015-01-30","2014-02-06"],"reportDate":["","","","","","","","","","","","",""],"acceptanceDateTime":["2026-01-16T16:38:59.000Z","2025-01-17T19:47:17.000Z","2024-01-19T20:37:54.000Z","2023-01-20T15:47:49.000Z","2022-01-21T15:17:00.000Z","2021-01-22T16:30:10.000Z","2020-01-24T15:35:57.000Z","2019-01-25T17:41:22.000Z","2018-01-25T15:04:12.000Z","2017-01-25T17:14:37.000Z","2016-01-29T17:10:41.000Z","2015-01-30T22:10:30.000Z","2014-02-06T21:01:04.000Z"],"act":["33","33","33","33","33","33","33","33","33","33","33","33","33"],"form":["D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D"],"fileNumber":["021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448","021-211448"],"filmNumber":["26538268","25538272","24545437","23539495","22544452","21544591","20544156","19541982","18546865","17545552","161371983","15563975","14580089"],"items":["06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7"],"core_type":["D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D"],"size":[12656,12617,12623,12363,9968,9932,9877,9931,14775,14409,12552,8831,8286],"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":["xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["","","","","","","","","","","","",""]},"files":[]}}