{"cik":"0001731600","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Yorktown VI Co LP","tickers":[],"exchanges":[],"ein":"201384869","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"410 PARK AVENUE","street2":"19TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10022","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"410 PARK AVENUE","street2":"19TH FLOOR","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10022","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2125152115","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000947871-21-001192","0000947871-21-000925","0000947871-21-000548","0000947871-21-000208","0000947871-20-000883","0001567619-20-015399","0001567619-20-010508","0001567619-20-004076","0001140361-19-020603","0000950123-19-008419","0000950123-19-005485","0000950123-19-002335","0000950123-18-011940","0000950123-18-008822","0000950123-18-005441","0000950123-18-002613"],"filingDate":["2021-11-15","2021-08-16","2021-05-17","2021-02-16","2020-11-16","2020-08-14","2020-05-15","2020-02-14","2019-11-14","2019-08-14","2019-05-15","2019-02-14","2018-11-14","2018-08-14","2018-05-15","2018-02-16"],"reportDate":["2021-09-30","2021-06-30","2021-03-31","2020-12-31","2020-09-30","2020-06-30","2020-03-31","2019-12-31","2019-09-30","2019-06-30","2019-03-31","2018-12-31","2018-09-30","2018-06-30","2018-03-31","2017-12-31"],"acceptanceDateTime":["2021-11-15T19:19:12.000Z","2021-08-16T16:43:59.000Z","2021-05-17T16:33:17.000Z","2021-02-16T20:49:01.000Z","2020-11-16T20:47:49.000Z","2020-08-14T19:29:24.000Z","2020-05-15T20:12:43.000Z","2020-02-14T22:06:04.000Z","2019-11-14T21:17:15.000Z","2019-08-14T20:35:21.000Z","2019-05-15T20:33:46.000Z","2019-02-14T22:02:17.000Z","2018-11-14T21:20:31.000Z","2018-08-14T19:42:22.000Z","2018-05-15T12:20:51.000Z","2018-02-16T16:32:28.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34"],"form":["13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT"],"fileNumber":["028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647","028-18647"],"filmNumber":["211409137","211176103","21928952","21637488","201316361","201104527","20885298","20621717","191220440","191027043","19828853","19607978","181184122","181016988","18833193","18620181"],"items":["","","","","","","","","","","","","","","",""],"core_type":["13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT","13F-NT"],"size":[3813,3813,3812,3812,3813,3517,3516,3516,3517,3589,3588,3590,3589,3589,3588,3470],"isXBRL":[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],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml"],"primaryDocDescription":["","","","","","","","","","","","","","","",""]},"files":[]}}