{"cik":"0001413877","entityType":"other","sic":"","sicDescription":"","ownerOrg":null,"insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"Greylock XII GP LLC","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"2550 SAND HILL ROAD","street2":"SUITE 200","city":"MENLO PARK","stateOrCountry":"CA","zipCode":"94025","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"2550 SAND HILL ROAD","street2":"SUITE 200","city":"MENLO PARK","stateOrCountry":"CA","zipCode":"94025","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"781-622-2200","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0000899243-21-018397","0000950123-19-010837","0000899243-19-024436","0000899243-19-024287","0000950123-19-007839","0000950123-19-003732","0000950123-19-003731","0000950123-18-010399","0000950123-18-007201","0000950123-18-004018","0000899243-18-005950","0000950123-18-001455","0000899243-17-023114","0000899243-17-019561","0000899243-17-019173","0000899243-17-012815","0000899243-17-011674","0000899243-17-011447","0000899243-17-011236","0000899243-17-011031","0000950123-16-020787","0000899243-16-030209","0000899243-16-029759","0000950123-16-018461","0000950123-16-015965","0000950123-16-014474","0001209191-14-011637","0001209191-14-009841","0000950123-13-007851","0000950123-13-004487","0001193125-13-140476","0001193125-13-056330","0001193125-13-056103","0001193125-13-056035","0001193125-13-056008","0001181431-12-033365","0001181431-12-017271","0001193125-12-043332","0001209191-11-035672","0001209191-11-034616","0001209191-07-058022","0001209191-07-056357"],"filingDate":["2021-05-05","2019-11-13","2019-10-01","2019-09-25","2019-08-14","2019-05-01","2019-05-01","2018-11-01","2018-08-01","2018-05-01","2018-03-01","2018-02-12","2017-10-02","2017-08-02","2017-07-27","2017-05-11","2017-05-03","2017-05-02","2017-04-28","2017-04-27","2016-10-21","2016-09-28","2016-09-22","2016-07-21","2016-04-22","2016-02-12","2014-02-19","2014-02-12","2013-10-11","2013-07-08","2013-04-03","2013-02-14","2013-02-14","2013-02-14","2013-02-14","2012-05-30","2012-03-14","2012-02-07","2011-06-21","2011-06-14","2007-10-11","2007-10-02"],"reportDate":["2021-03-03","2019-09-30","2019-09-30","2019-09-25","2019-06-30","2019-03-31","2018-12-31","2018-09-30","2018-06-30","2018-03-31","2018-02-27","2017-12-31","2017-10-02","2017-08-02","2017-07-27","2017-05-09","2017-05-03","2017-04-28","2017-04-28","2017-04-27","2016-09-30","2016-09-28","2016-09-22","2016-06-30","2016-03-31","2015-12-31","2014-02-19","2014-02-12","2013-09-30","2013-06-30","2013-03-31","2012-06-30","2012-12-31","2012-03-31","2012-09-30","2012-05-25","2012-03-12","2011-12-31","2011-06-20","2011-06-14","2007-10-09","2007-10-02"],"acceptanceDateTime":["2021-05-05T22:18:40.000Z","2019-11-13T21:05:21.000Z","2019-10-01T10:10:29.000Z","2019-09-26T01:29:53.000Z","2019-08-13T21:43:08.000Z","2019-05-01T20:07:01.000Z","2019-05-01T20:05:18.000Z","2018-11-01T10:05:28.000Z","2018-08-01T10:04:38.000Z","2018-05-01T21:14:38.000Z","2018-03-01T21:38:17.000Z","2018-02-12T21:02:05.000Z","2017-10-02T20:09:42.000Z","2017-08-02T21:00:24.000Z","2017-07-27T21:01:25.000Z","2017-05-11T20:11:01.000Z","2017-05-03T21:26:31.000Z","2017-05-02T21:05:08.000Z","2017-04-28T23:30:40.000Z","2017-04-27T21:33:15.000Z","2016-10-21T10:01:16.000Z","2016-09-28T16:42:03.000Z","2016-09-22T21:36:23.000Z","2016-07-20T21:51:32.000Z","2016-04-22T18:37:53.000Z","2016-02-12T20:08:24.000Z","2014-02-19T18:08:43.000Z","2014-02-12T23:03:25.000Z","2013-10-11T20:30:08.000Z","2013-07-08T20:30:17.000Z","2013-04-03T20:41:21.000Z","2013-02-14T01:20:06.000Z","2013-02-14T00:00:59.000Z","2013-02-13T23:37:53.000Z","2013-02-13T23:30:54.000Z","2012-05-30T19:19:55.000Z","2012-03-14T20:39:31.000Z","2012-02-07T18:47:53.000Z","2011-06-21T16:01:26.000Z","2011-06-14T22:02:40.000Z","2007-10-11T20:50:12.000Z","2007-10-03T00:47:32.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34"],"form":["4","13F-HR","4","3","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","4","13F-HR","4","4","3","4","4","4","4","3","13F-HR","4","3","13F-HR","13F-HR","13F-HR","4","3","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","4","4","13F-HR","4","3","4","3"],"fileNumber":["001-39050","028-14649","001-39050","001-39050","028-14649","028-14649","028-14649","028-14649","028-14649","028-14649","001-38160","028-14649","001-38069","001-38160","001-38160","001-37885","001-38069","001-37885","001-37885","001-38069","028-14649","001-37885","001-37885","028-14649","028-14649","028-14649","001-36310","001-36310","028-14649","028-14649","028-14649","028-14649","028-14649","028-14649","028-14649","001-35198","001-35198","028-14649","001-35198","001-35198","001-33707","001-33707"],"filmNumber":["21894991","191213945","191127536","191115430","191021976","19787482","19787416","181151858","18982880","18796500","18658026","18596298","171114616","171000970","17986960","17834395","17810578","17805986","17798038","17790484","161945212","161906391","161898295","161776193","161586409","161418231","14624905","14601866","131148244","13957738","13740036","13605677","13605297","13605153","13605117","12877320","12690741","12576934","11922781","11911531","071167638","071151791"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","13F-HR","4","3","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","4","13F-HR","4","4","3","4","4","4","4","3","13F-HR","4","3","13F-HR","13F-HR","13F-HR","4","3","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","4","4","13F-HR","4","3","4","3"],"size":[11456,5125,48132,28104,5124,5125,5124,5684,4569,4571,12416,4571,12120,26143,15800,11277,30728,12123,17422,17690,4012,37193,21310,4008,4008,4548,32764,15683,4022,4024,4658,5083,4783,4981,5190,8316,9735,4728,18466,13071,12698,8424],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslF345X03/doc4.xml","xslForm13F_X01/primary_doc.xml","xslF345X03/doc4.xml","xslF345X02/doc3.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","xslF345X03/doc4.xml","xslForm13F_X01/primary_doc.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X02/doc3.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X02/doc3.xml","xslForm13F_X01/primary_doc.xml","xslF345X03/doc4.xml","xslF345X02/doc3.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslF345X03/doc4.xml","xslF345X02/doc3.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","d515460d13fhr.txt","d485022d13fhr.txt","d484269d13fhr.txt","d484984d13fhr.txt","d485040d13fhr.txt","xslF345X03/rrd347133.xml","xslF345X03/rrd338481.xml","d293994d13fhr.txt","xslF345X03/c18945_4x0.xml","xslF345X02/c18645_3x0.xml","xslF345X02/doc4.xml","xslF345X02/doc3.xml"],"primaryDocDescription":["FORM 4 SUBMISSION","","FORM 4 SUBMISSION","FORM 3 SUBMISSION","","","","","","","FORM 4 SUBMISSION","","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 3 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 3 SUBMISSION","","FORM 4 SUBMISSION","FORM 3 SUBMISSION","","","","FORM 4 SUBMISSION","FORM 3 SUBMISSION","","","13F-HR","FORM 13F","FORM 13F","FORM 13F-HR","FORM 13F-HR","FORM 4","FORM 4","FORM 13F-HR","MAIN DOCUMENT DESCRIPTION","MAIN DOCUMENT DESCRIPTION","FORM 4 SUBMISSION","FORM 3 SUBMISSION"]},"files":[]}}