{"cik":"0001544028","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":1,"insiderTransactionForIssuerExists":0,"name":"TACKETT SHANE R","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":null,"stateOfIncorporation":"","stateOfIncorporationDescription":"","addresses":{"mailing":{"street1":"C/O ALASKA AIRLINES, 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":["0001544028-26-000012","0001544028-26-000010","0001921094-26-000155","0001544028-26-000008","0001544028-26-000006","0001544028-26-000004","0001544028-26-000002","0001921094-26-000086","0001544028-25-000007","0001921094-25-000949","0001544028-25-000004","0001544028-25-000002","0001921094-25-000104","0001544028-24-000008","0001921094-24-001620","0001544028-24-000006","0001544028-24-000004","0001544028-24-000002","0001544028-23-000006","0001544028-23-000004","0001544028-23-000002","0001544028-22-000005","0001544028-22-000004","0001544028-22-000003","0001544028-22-000002","0001544028-22-000001","0001246360-21-001003","0001246360-21-000996","0001246360-21-000929","0001246360-21-000554","0001246360-21-000441","0001246360-21-000414","0001246360-20-001805","0001246360-20-001756","0001544028-20-000002","0001246360-20-000834","0001246360-20-000608","0001246360-20-000514","0001246360-19-002330","0001246360-19-001013","0001246360-19-000677","0001246360-19-000571","0001246360-18-002168","0001246360-18-001051","0001246360-18-000674","0001246360-18-000592","0000766421-17-000054","0001246360-15-000818","0001246360-14-003595","0001246360-14-003416","0001246360-14-001655","0001246360-14-001047","0001246360-14-000838","0001246360-14-000536","0001246360-13-002101","0001246360-13-001177","0001246360-13-000937","0001246360-12-001764"],"filingDate":["2026-06-30","2026-02-20","2026-02-18","2026-02-17","2026-02-13","2026-02-12","2026-02-09","2026-02-05","2025-08-14","2025-08-13","2025-02-18","2025-02-11","2025-02-10","2024-12-12","2024-12-12","2024-03-21","2024-02-16","2024-02-13","2023-11-07","2023-05-04","2023-02-14","2022-11-08","2022-06-10","2022-02-23","2022-02-16","2022-02-09","2021-11-12","2021-11-08","2021-09-13","2021-03-09","2021-02-16","2021-02-10","2020-11-09","2020-11-03","2020-08-04","2020-03-09","2020-02-18","2020-02-13","2019-10-30","2019-03-08","2019-02-19","2019-02-12","2018-09-11","2018-03-08","2018-02-14","2018-02-12","2017-08-31","2015-02-12","2014-08-20","2014-08-05","2014-03-06","2014-02-13","2014-02-11","2014-02-03","2013-03-15","2013-02-13","2013-02-06","2012-03-13"],"reportDate":["2026-06-29","2026-02-18","","2026-02-13","2026-02-11","2026-02-10","2026-02-05","","2025-08-13","","2025-02-13","2025-02-07","","2024-12-11","","2024-03-19","2024-02-13","2024-02-09","2023-11-05","2023-05-02","2023-02-11","2022-11-05","2022-06-09","2022-02-18","2022-02-14","2022-02-07","2021-11-11","2021-10-31","2021-04-30","2021-03-09","2021-02-13","2021-02-08","2020-11-05","2020-10-31","2020-04-30","2020-03-07","2020-02-14","2020-02-11","2019-08-31","2019-02-28","2019-02-14","2019-02-09","2018-08-31","2018-02-28","2018-02-13","2017-08-31","2017-08-22","2015-02-10","2014-08-19","2014-08-03","2014-03-05","2014-02-11","2014-02-07","2014-01-31","2013-03-14","2013-02-11","2013-02-03","2012-03-12"],"acceptanceDateTime":["2026-06-30T22:08:19.000Z","2026-02-20T22:17:13.000Z","2026-02-18T22:28:26.000Z","2026-02-17T23:40:48.000Z","2026-02-13T23:27:33.000Z","2026-02-13T00:21:21.000Z","2026-02-09T21:13:28.000Z","2026-02-05T21:07:52.000Z","2025-08-14T22:06:57.000Z","2025-08-13T20:28:12.000Z","2025-02-18T22:43:59.000Z","2025-02-12T01:09:34.000Z","2025-02-10T22:12:06.000Z","2024-12-12T23:32:36.000Z","2024-12-12T18:48:05.000Z","2024-03-21T21:33:24.000Z","2024-02-16T11:09:11.000Z","2024-02-13T22:12:22.000Z","2023-11-07T22:18:36.000Z","2023-05-04T20:48:43.000Z","2023-02-15T00:01:33.000Z","2022-11-08T23:12:47.000Z","2022-06-10T21:01:06.000Z","2022-02-23T22:28:02.000Z","2022-02-16T22:27:54.000Z","2022-02-10T00:00:25.000Z","2021-11-13T01:35:15.000Z","2021-11-08T22:49:18.000Z","2021-09-14T00:14:13.000Z","2021-03-10T01:00:11.000Z","2021-02-17T01:15:54.000Z","2021-02-10T22:21:54.000Z","2020-11-10T00:35:10.000Z","2020-11-03T23:14:09.000Z","2020-08-05T01:04:33.000Z","2020-03-09T21:14:11.000Z","2020-02-18T22:14:24.000Z","2020-02-13T22:00:17.000Z","2019-10-30T22:49:17.000Z","2019-03-09T01:35:17.000Z","2019-02-19T23:56:23.000Z","2019-02-12T23:28:41.000Z","2018-09-11T22:49:13.000Z","2018-03-09T01:07:11.000Z","2018-02-15T02:28:11.000Z","2018-02-12T23:14:37.000Z","2017-08-31T21:28:13.000Z","2015-02-12T23:21:24.000Z","2014-08-21T00:21:08.000Z","2014-08-05T22:35:08.000Z","2014-03-07T00:42:09.000Z","2014-02-14T01:28:32.000Z","2014-02-11T23:28:12.000Z","2014-02-04T00:07:08.000Z","2013-03-15T21:35:30.000Z","2013-02-13T20:50:20.000Z","2013-02-06T23:30:20.000Z","2012-03-13T23:00:16.000Z"],"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","34","34","34","34","34","34","34","34","34","34","34"],"form":["4","4","144","4","4","4","4","144","4","144","4","4","144","4","144","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","4","4","4","4","4","3","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","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":["261141932","26661228","","26644406","26635270","26628260","26611572","","251221547","","25636375","25611520","","241546315","","24772493","24645693","24629370","231385121","23889630","23632749","221370223","221009720","22665148","22644771","22608914","211405781","211389162","211250962","21727753","21642098","21615128","201299253","201284629","201075344","20698830","20626371","20611732","191181485","19670653","19616624","19592526","181065740","18678231","18615938","18598381","171064036","15608139","141055995","141017508","14674817","14609064","14595816","14569600","13695365","13602909","13579534","12688433"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","144","4","4","4","4","144","4","144","4","4","144","4","144","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","4","4","4","4","4","3","4","4","4","4","4","4","4","4","4","4","3"],"size":[7447,6035,5011,14582,9555,9952,5425,4399,6309,4839,9614,31097,4925,5501,5464,7056,7617,9330,9788,11169,12737,14057,7134,5428,9392,12339,5919,11150,10906,5381,9254,12055,9151,7032,11099,9082,9084,15487,10585,10877,15356,9078,12163,11069,15357,10951,15645,12162,6890,10058,13913,10621,10034,10965,6131,9395,9161,7454],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"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,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslF345X06/wk-form4_1782857296.xml","xslF345X05/wk-form4_1771625831.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1771371644.xml","xslF345X05/wk-form4_1771025251.xml","xslF345X05/wk-form4_1770942078.xml","xslF345X05/wk-form4_1770671605.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1755209214.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1739918632.xml","xslF345X05/wk-form4_1739322567.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1734046349.xml","xsl144X01/primary_doc.xml","xslF345X05/wk-form4_1711056793.xml","xslF345X05/wk-form4_1708081742.xml","xslF345X05/wk-form4_1707862315.xml","xslF345X05/wk-form4_1699395505.xml","xslF345X04/wf-form4_168323330840764.xml","xslF345X03/wf-form4_167641926696582.xml","xslF345X03/wf-form4_166794914863574.xml","xslF345X03/primary_doc.xml","xslF345X03/primary_doc.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/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","xslF345X03/form.xml","xslF345X02/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","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","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","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT","PRIMARY DOCUMENT"]},"files":[]}}