{"id":76342,"sourceType":"sec_filing","title":"SEC EDGAR: 4 — SOUTHWEST AIRLINES CO (2020-04-03)","url":"https://www.sec.gov/Archives/edgar/data/1067983/000120919120023268/0001209191-20-023268-index.htm","publication":"SEC EDGAR","date":"2020-04-03","entity":{"id":36640,"name":"Southwest Airlines","slug":"southwest-airlines"},"custody":{"contentHash":"7d1aed6ff7d4a5344d440415b7bf8e77fe7db5667f8de42ccd792ee83c203772","contentHashAt":"2026-09-29T05:48:05.701Z","contentLength":853,"capturedAt":"2026-09-29T05:48:05.701Z","hashAlgorithm":"sha256","hashFormula":"sha256(coalesce(url, '<no-url>') || '\\n' || raw_content)","hashEncoding":"hex"},"mediaCitation":null,"preview":"{\n  \"ciks\": [\n    \"0001067983\",\n    \"0000315090\",\n    \"0000092380\"\n  ],\n  \"period_ending\": \"2020-03-16\",\n  \"file_num\": [\n    \"001-07259\",\n    \"001-07259\"\n  ],\n  \"display_names\": [\n    \"BERKSHIRE HATHAWAY INC  (BRK-A, BRK-B)  (CIK 0001067983)\",\n    \"BUFFETT WARREN E  (CIK 0000315090)\",\n    \"SOUTHWEST AIRLINES CO  (LUV)  (CIK 0000092380)\"\n  ],\n  \"xsl\": \"xslF345X03\",\n  \"schema_version\": \"X0306\",\n  \"sequence\": 1,\n  \"root_forms\": [\n    \"4\"\n  ],\n  \"file_date\": \"2020-04-03\",\n  \"biz_states\": [\n    \"NE\",\n    \"TX\"\n  ],\n  \"sics\": [\n    \"6331\",\n    \"4512\"\n  ],\n  \"form\": \"4\",\n  \"adsh\": \"0001209191-20-023268\",\n  \"film_num\": [\n    \"20774451\",\n    \"20774452\"\n  ],\n  \"biz_locations\": [\n    \"Omaha, NE\",\n    \"Omaha, NE\",\n    \"Dallas, TX\"\n  ],\n  \"file_type\": \"4\",\n  \"file_description\": \"FORM 4 SUBMISSION\"…","verifyUrl":"/source/76342/verify","htmlReceiptUrl":"/source/76342/receipt","corpusAttestationUrl":"/attestation/latest.json"}