{"cik":"0001717592","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"BIRKETT RAKOW DIANA","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"ALASKA AIR GROUP, INC.","street2":"19300 INTERNATIONAL BLVD","city":"SEATTLE","stateOrCountry":"WA","zipCode":"98188","stateOrCountryDescription":"WA","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":["0001717592-26-000008","0001717592-26-000006","0001717592-26-000004","0001717592-26-000002","0001717592-25-000007","0001717592-25-000004","0001717592-25-000002","0001717592-24-000006","0001717592-24-000004","0001717592-24-000002","0001717592-23-000007","0001717592-23-000005","0001717592-23-000003","0001717592-22-000007","0001717592-22-000002","0001717592-22-000001","0001246360-21-000989","0001246360-21-000443","0001246360-21-000408","0001246360-20-001806","0001246360-20-001524","0001246360-20-000505","0001246360-19-002099","0001246360-19-000672","0001246360-18-002196","0001246360-18-000668","0001246360-17-002783"],"filingDate":["2026-09-30","2026-02-17","2026-02-13","2026-02-12","2025-09-30","2025-02-18","2025-02-11","2024-03-21","2024-02-16","2024-02-13","2023-11-07","2023-05-04","2023-02-14","2022-11-08","2022-02-16","2022-02-09","2021-11-08","2021-02-16","2021-02-10","2020-11-09","2020-09-14","2020-02-13","2019-09-12","2019-02-19","2018-09-12","2018-02-14","2017-09-21"],"reportDate":["2026-09-29","2026-02-13","2026-02-11","2026-02-10","2025-09-29","2025-02-13","2025-02-07","2024-03-19","2024-02-13","2024-02-09","2023-11-05","2023-05-02","2023-02-11","2022-11-05","2022-02-14","2022-02-07","2021-11-05","2021-02-13","2021-02-08","2020-11-05","2020-09-11","2020-02-11","2019-09-11","2019-02-14","2018-09-11","2018-02-13","2017-09-12"],"acceptanceDateTime":["2026-10-01T00:51:17.000Z","2026-02-17T23:28:10.000Z","2026-02-13T23:15:03.000Z","2026-02-13T00:22:32.000Z","2025-09-30T21:04:42.000Z","2025-02-18T22:07:51.000Z","2025-02-12T01:55:26.000Z","2024-03-21T21:07:42.000Z","2024-02-16T11:29:43.000Z","2024-02-13T22:31:20.000Z","2023-11-07T22:00:13.000Z","2023-05-04T20:34:12.000Z","2023-02-14T23:16:16.000Z","2022-11-08T22:50:58.000Z","2022-02-16T22:08:48.000Z","2022-02-09T22:19:36.000Z","2021-11-08T22:35:22.000Z","2021-02-17T01:21:16.000Z","2021-02-10T22:14:33.000Z","2020-11-10T00:35:15.000Z","2020-09-14T22:14:09.000Z","2020-02-13T21:35:12.000Z","2019-09-12T21:49:11.000Z","2019-02-19T23:49:11.000Z","2018-09-13T00:14:13.000Z","2018-02-15T02:14:17.000Z","2017-09-21T16:35:11.000Z"],"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"],"form":["4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","3"],"fileNumber":["001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957","001-08957"],"filmNumber":["261428694","26644334","26635189","26628264","251361365","25636046","25611603","24772226","24645721","24630300","231384915","23889405","23632503","221370159","22644564","22608281","211389099","21642120","21615053","201299254","201174261","20611263","191091151","19616602","181067768","18615892","171095424"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","4","3"],"size":[8794,13708,8704,9103,6157,8704,14086,6198,6767,8479,8675,16615,12098,12947,8542,11387,8663,8422,11381,8304,8234,8216,8665,8216,8713,7583,5447],"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],"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],"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],"primaryDocument":["xslF345X06/wk-form4_1790815874.xml","xslF345X05/wk-form4_1771370888.xml","xslF345X05/wk-form4_1771024501.xml","xslF345X05/wk-form4_1770942149.xml","xslF345X05/wk-form4_1759266279.xml","xslF345X05/wk-form4_1739916465.xml","xslF345X05/wk-form4_1739325319.xml","xslF345X05/wk-form4_1711055253.xml","xslF345X05/wk-form4_1708082975.xml","xslF345X05/wk-form4_1707863447.xml","xslF345X05/wk-form4_1699394402.xml","xslF345X04/wf-form4_168323242980750.xml","xslF345X03/wf-form4_167641653810827.xml","xslF345X03/wf-form4_166794783417347.xml","xslF345X03/primary_doc.xml","xslF345X03/primary_doc.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X03/form.xml","xslF345X02/form.xml"],"primaryDocDescription":["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","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT"]},"files":[]}}