{"cik":"0001660699","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"BCK Capital Onshore Fund LP","tickers":[],"exchanges":[],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"BCK CAPITAL MANAGEMENT LP","street2":"1010 WASHINGTON BOULEVARD","city":"STAMFORD","stateOrCountry":"CT","zipCode":"06901","stateOrCountryDescription":"CT","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"BCK CAPITAL MANAGEMENT LP","street2":"1010 WASHINGTON BOULEVARD","city":"STAMFORD","stateOrCountry":"CT","zipCode":"06901","stateOrCountryDescription":"CT","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"917-703-5214","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000919574-26-007333","0000919574-25-006369","0000919574-24-006134","0000919574-23-005935","0000919574-22-006196","0000919574-21-006620","0000919574-20-006721","0000919574-19-007657","0000919574-18-007972","0000919574-17-008566","0000919574-16-017145","0000919574-15-008682"],"filingDate":["2026-10-30","2025-10-31","2024-11-01","2023-11-03","2022-11-03","2021-11-05","2020-11-06","2019-12-13","2018-12-13","2017-12-13","2016-12-14","2015-12-14"],"reportDate":["","","","","","","","","","","",""],"acceptanceDateTime":["2026-10-30T19:54:27.000Z","2025-10-31T16:08:38.000Z","2024-11-01T16:29:59.000Z","2023-11-03T19:12:53.000Z","2022-11-03T16:22:44.000Z","2021-11-05T16:20:37.000Z","2020-11-06T16:00:33.000Z","2019-12-13T15:13:26.000Z","2018-12-13T14:56:54.000Z","2017-12-13T15:44:17.000Z","2016-12-14T17:36:44.000Z","2015-12-14T20:18:05.000Z"],"act":["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"],"fileNumber":["021-253017","021-253017","021-253017","021-253017","021-253017","021-253017","021-253017","021-253017","021-253017","021-253017","021-253017","021-253017"],"filmNumber":["261507886","251439273","241418083","231376003","221357022","211383377","201292980","191283659","181232335","171253207","162050647","151285837"],"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"],"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"],"size":[12581,12581,12724,11473,13608,10072,10216,7413,7412,7321,7321,7226],"isXBRL":[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],"isXBRLNumeric":[0,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"],"primaryDocDescription":["","","","","","","","","","","",""]},"files":[]}}