{"cik":"0002011297","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"MOOK JOSHUA T.","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"C/O HYLIION HOLDING CORP.","street2":"1202 BMC DRIVE, SUITE 100","city":"CEDAR PARK","stateOrCountry":"TX","zipCode":"78613","stateOrCountryDescription":"TX","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":null,"street2":null,"city":null,"stateOrCountry":null,"zipCode":null,"stateOrCountryDescription":null,"isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":null,"flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001628280-26-064333","0001628280-26-058463","0001969223-26-000943","0001628280-26-037285","0001969223-26-000573","0001628280-26-014867","0001628280-26-008229","0001628280-25-057112","0001969223-25-001084","0001628280-25-054538","0001628280-25-052748","0001628280-25-052744","0001969223-25-000965","0001759631-25-000150","0001759631-25-000146","0001759631-25-000110","0001759631-25-000098","0001759631-25-000053","0001759631-25-000024","0001759631-25-000012","0001759631-24-000222","0001759631-24-000189","0001759631-24-000147","0001759631-24-000139","0001759631-24-000098","0001759631-24-000057","0001759631-24-000037","0001759631-24-000035"],"filingDate":["2026-10-01","2026-08-21","2026-08-21","2026-05-21","2026-05-19","2026-03-04","2026-02-13","2025-12-15","2025-12-12","2025-12-01","2025-11-17","2025-11-17","2025-11-17","2025-08-29","2025-08-25","2025-05-28","2025-05-14","2025-02-27","2025-02-20","2025-02-13","2024-12-12","2024-11-18","2024-08-28","2024-08-13","2024-05-28","2024-02-29","2024-02-15","2024-02-15"],"reportDate":["2026-09-30","2026-08-21","","2026-05-19","","2026-03-03","2026-02-11","2025-12-12","","2025-11-26","2025-11-13","2025-08-25","","2025-08-27","2025-08-25","2025-05-27","2025-05-13","2025-02-27","2025-02-18","2025-02-13","2024-12-11","2024-11-14","2024-08-27","2024-08-13","2024-05-27","2024-02-27","2024-02-13","2024-02-13"],"acceptanceDateTime":["2026-10-01T21:59:09.000Z","2026-08-21T20:50:42.000Z","2026-08-21T19:45:30.000Z","2026-05-21T20:21:21.000Z","2026-05-19T19:57:36.000Z","2026-03-04T23:28:13.000Z","2026-02-13T23:57:58.000Z","2025-12-15T22:15:03.000Z","2025-12-12T20:50:18.000Z","2025-12-01T22:43:58.000Z","2025-11-18T00:28:48.000Z","2025-11-18T00:27:16.000Z","2025-11-18T00:23:01.000Z","2025-08-29T21:02:56.000Z","2025-08-25T22:32:32.000Z","2025-05-28T21:25:00.000Z","2025-05-14T21:02:24.000Z","2025-02-27T22:51:27.000Z","2025-02-20T22:46:23.000Z","2025-02-14T00:21:46.000Z","2024-12-13T00:21:22.000Z","2024-11-18T22:16:56.000Z","2024-08-28T21:56:36.000Z","2024-08-13T21:46:37.000Z","2024-05-28T21:36:07.000Z","2024-02-29T23:30:02.000Z","2024-02-15T23:06:47.000Z","2024-02-15T23:05:35.000Z"],"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"],"form":["4","4","144","4","144","4","4","4","144","4","4","4/A","144","4","4","4","4","4","4","4","4","4","4","4","4","4","4","3"],"fileNumber":["001-38823","001-38823","","001-38823","","001-38823","001-38823","001-38823","","001-38823","001-38823","001-38823","","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823","001-38823"],"filmNumber":["261432794","261305397","","261008802","","26723314","26635389","251572492","","251540973","251492476","251492474","","251281845","251252210","25996619","25946901","25681267","25647574","25622358","241546400","241472450","241257429","241203294","24993249","24705936","24645169","24645164"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","144","4","144","4","4","4","144","4","4","4/A","144","4","4","4","4","4","4","4","4","4","4","4","4","4","4","3"],"size":[11345,5097,4401,6498,5029,4959,7404,4960,5006,6576,8780,5141,4383,4791,4787,4790,4790,4797,7407,4798,7253,7254,4798,7384,4797,4797,7429,4217],"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],"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],"isXBRLNumeric":[0,0,0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslF345X06/wk-form4_1790891946.xml","xslF345X06/wk-form4_1787345440.xml","xsl144X01/primary_doc.xml","xslF345X06/wk-form4_1779394878.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1772666891.xml","xslF345X05/wk-form4_1771027074.xml","xslF345X05/wk-form4_1765836899.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1764629035.xml","xslF345X05/wk-form4_1763425725.xml","xslF345X05/wk-form4a_1763425633.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1756501372.xml","xslF345X05/wk-form4_1756161148.xml","xslF345X05/wk-form4_1748467494.xml","xslF345X05/wk-form4_1747256538.xml","xslF345X05/wk-form4_1740696681.xml","xslF345X05/wk-form4_1740091576.xml","xslF345X05/wk-form4_1739492500.xml","xslF345X05/wk-form4_1734049275.xml","xslF345X05/wk-form4_1731968209.xml","xslF345X05/wk-form4_1724882190.xml","xslF345X05/wk-form4_1723585590.xml","xslF345X05/wk-form4_1716932158.xml","xslF345X05/wk-form4_1709249389.xml","xslF345X05/wk-form4_1708038397.xml","xslF345X02/wk-form3_1708038323.xml"],"primaryDocDescription":["FORM 4","FORM 4","","FORM 4","","FORM 4","FORM 4","FORM 4","","FORM 4","FORM 4","FORM 4/A","","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 4","FORM 3"]},"files":[]}}