{"cik":"0001757839","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"Rice Calvin","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"C/O SPOK HOLDINGS, INC.","street2":"6850 VERSAR CTR STE 420","city":"SPRINGFIELD","stateOrCountry":"VA","zipCode":"22151","stateOrCountryDescription":"VA","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":["0001757839-26-000004","0001757839-26-000002","0001193125-26-006376","0001193125-26-002542","0000950170-25-104132","0000950170-25-103119","0001949846-25-000340","0001949846-25-000337","0000950170-25-035548","0000950170-25-001238","0000950170-25-001235","0000950170-24-023815","0000950170-24-001820","0000950170-24-001819","0001209191-23-057192","0000950170-23-067111","0001209191-23-033291","0001209191-23-020015","0001209191-23-017138","0001209191-23-015678","0001209191-23-015366","0001209191-23-000797","0001209191-23-000790","0001209191-22-047000","0001209191-22-013133","0001209191-22-012665","0001209191-22-000716","0001209191-21-046162","0001209191-21-024569","0001209191-21-014701","0001209191-21-004838","0001209191-21-001953","0001209191-21-000940","0001209191-20-017224","0001209191-20-001731","0001209191-20-000937","0001209191-19-018070","0001209191-19-002522","0001209191-19-002515","0001209191-19-002103","0001209191-19-002094","0001209191-18-057125"],"filingDate":["2026-04-14","2026-03-04","2026-01-07","2026-01-05","2025-08-06","2025-08-05","2025-08-05","2025-08-04","2025-03-07","2025-01-03","2025-01-03","2024-03-01","2024-01-04","2024-01-04","2023-12-04","2023-11-30","2023-06-01","2023-03-20","2023-03-08","2023-03-03","2023-03-03","2023-01-04","2023-01-04","2022-08-22","2022-02-25","2022-02-24","2022-01-04","2021-07-09","2021-04-02","2021-02-26","2021-01-22","2021-01-06","2021-01-05","2020-03-09","2020-01-06","2020-01-03","2019-03-08","2019-01-07","2019-01-07","2019-01-04","2019-01-04","2018-11-05"],"reportDate":["2026-04-14","2026-03-04","2026-01-05","2026-01-02","2025-08-05","2025-08-04","","","2025-03-07","2025-01-03","2025-01-03","2024-02-29","2024-01-02","2024-01-02","2023-11-30","","2023-06-01","2023-03-17","2023-03-07","2023-03-03","2023-03-02","2023-01-03","2023-01-03","2022-08-19","2022-02-25","2022-02-22","2021-12-31","2021-07-09","2021-04-02","2021-02-26","2021-01-22","2021-01-04","2020-12-31","2020-03-06","2020-01-02","2019-12-31","2019-03-08","2019-01-02","2018-12-31","2019-01-02","2018-12-31","2018-10-29"],"acceptanceDateTime":["2026-04-14T20:30:04.000Z","2026-03-04T21:30:15.000Z","2026-01-07T21:30:08.000Z","2026-01-05T21:33:50.000Z","2025-08-06T20:30:03.000Z","2025-08-05T20:30:27.000Z","2025-08-05T18:04:46.000Z","2025-08-04T16:21:28.000Z","2025-03-07T21:30:10.000Z","2025-01-03T21:30:07.000Z","2025-01-03T21:30:03.000Z","2024-03-01T21:00:22.000Z","2024-01-04T21:00:10.000Z","2024-01-04T21:00:07.000Z","2023-12-04T21:00:13.000Z","2023-12-01T00:34:54.000Z","2023-06-01T20:00:11.000Z","2023-03-20T20:00:22.000Z","2023-03-08T21:00:11.000Z","2023-03-03T22:01:19.000Z","2023-03-03T21:00:32.000Z","2023-01-04T21:02:14.000Z","2023-01-04T21:01:34.000Z","2022-08-22T20:00:22.000Z","2022-02-25T21:08:48.000Z","2022-02-24T21:07:34.000Z","2022-01-04T21:18:14.000Z","2021-07-09T20:04:00.000Z","2021-04-02T20:15:39.000Z","2021-02-26T21:09:49.000Z","2021-01-22T21:02:52.000Z","2021-01-06T21:03:19.000Z","2021-01-05T21:06:03.000Z","2020-03-09T20:07:47.000Z","2020-01-06T21:05:40.000Z","2020-01-03T21:21:00.000Z","2019-03-08T21:05:52.000Z","2019-01-07T21:19:33.000Z","2019-01-07T21:17:42.000Z","2019-01-04T22:16:19.000Z","2019-01-04T22:14:13.000Z","2018-11-05T21:03:11.000Z"],"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"],"form":["4","4","4","4","4","4","144","144","4","4","4","4","4","4","4","144","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4/A","4/A","4","4","3"],"fileNumber":["001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","","","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358","001-32358"],"filmNumber":["26861136","26721831","26516021","26506928","251190102","251185441","","","25720536","25506777","25506770","24709405","24511678","24511676","231462910","","23984580","23746367","23716066","23705397","23703656","23506141","23506119","221183742","22679980","22670955","22506198","211082880","21802138","21688810","21545778","21510469","21505431","20698032","20509671","20505758","19669138","19513535","19513525","19511101","19511070","181159886"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","4","4","4","4","144","144","4","4","4","4","4","4","4","144","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4/A","4/A","4","4","3"],"size":[7094,10339,12655,7947,6816,6817,5579,4488,10348,7954,12662,10832,7999,12707,7144,10271,7141,7142,7110,7111,11414,13453,8256,7111,11389,8225,13422,8820,6436,11371,6436,8205,13397,10807,8191,13380,11737,8361,9409,8246,9229,9941],"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":[0,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":["xslF345X06/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xsl144X01/primary_doc.xml","xsl144X01/primary_doc.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/doc4.xml","xsl144X01/primary_doc.xml","xslF345X04/doc4.xml","xslF345X04/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X03/doc4a.xml","xslF345X03/doc4a.xml","xslF345X03/doc4.xml","xslF345X03/doc4.xml","xslF345X02/doc3.xml"],"primaryDocDescription":["4","4","4","4","4","4","","","4","4","4","4","4","4","FORM 4 SUBMISSION","","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 4/A SUBMISSION","FORM 4/A SUBMISSION","FORM 4 SUBMISSION","FORM 4 SUBMISSION","FORM 3 SUBMISSION"]},"files":[]}}