{"schema_version":"secwatch.filing_event.v1","accession":"0000766421-26-000029","form_type":"8-K","ticker":"ALK","cik":"0000766421","company_name":"ALASKA AIR GROUP, INC.","filed_at":"2026-06-03T16:00:43+00:00","discovered_at":"2026-06-03T16:01:01.532997+00:00","generated_at":"2026-06-03T16:01:15.765508+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Alaska Air Group appoints former T-Mobile CEO Mike Sievert to board","bullets":["G. Michael Sievert appointed to board effective June 1, 2026; board expanded from 10 to 11 seats.","Sievert is former CEO of T-Mobile, where market value grew from ~$60B to ~$260B during his tenure.","He qualifies as independent and will serve on Safety and Innovation Committees and airline subsidiary boards.","Sievert received prorated annual cash retainer of $85,320 and grant of ALK shares valued at $189,590.","Sievert also serves on Starbucks board and is a licensed pilot with deep Seattle ties."],"urls":{"canonical":"https://secwatch.observer/filing/0000766421-26-000029","json":"https://secwatch.observer/filing/0000766421-26-000029.json","markdown":"https://secwatch.observer/filing/0000766421-26-000029.md","text":"https://secwatch.observer/filing/0000766421-26-000029.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/766421/000076642126000029/0000766421-26-000029-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/766421/000076642126000029/alk-20260603.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T16:01:15.765508+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"0a83006b6d","claim":"G. Michael Sievert was appointed as Director at ALASKA AIR GROUP, INC..","evidence_excerpt":"On June 1, 2026, the Board of Directors of Alaska Air Group, Inc. (the “Company”) appointed G. Michael Sievert to the Company’s board of directors, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/766421/000076642126000029/0000766421-26-000029-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}