{"schema_version":"secwatch.filing_event.v1","accession":"0001670076-25-000013","form_type":"8-K","ticker":"ULCC","cik":"0001670076","company_name":"Frontier Group Holdings, Inc.","filed_at":"2025-02-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:04.382097+00:00","generated_at":"2026-05-26T23:24:19.241151+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Michael R. MacDonald to retire from Frontier Group Holdings board at 2025 annual meeting","bullets":["Michael R. MacDonald, board member since 2016, notified his intent to retire effective at the 2025 annual meeting.","No replacement for MacDonald has been announced; Board size may adjust.","MacDonald's retirement is a planned departure, not an immediate resignation."],"urls":{"canonical":"https://secwatch.observer/filing/0001670076-25-000013","json":"https://secwatch.observer/filing/0001670076-25-000013.json","markdown":"https://secwatch.observer/filing/0001670076-25-000013.md","text":"https://secwatch.observer/filing/0001670076-25-000013.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1670076/000167007625000013/0001670076-25-000013-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1670076/000167007625000013/fron-20250206.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T23:24:19.241151+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":"853c9d3b55","claim":"Michael R. MacDonald departed as Director at Frontier Group Holdings, Inc..","evidence_excerpt":"On February 6, 2025, Michael R. MacDonald, a member of the board of directors (the “Board”) of Frontier Group Holdings, Inc. (the “Company”) since 2016, notified the Board that he will retire from the Board effective on the date of the Company’s 2025 annual meeting of stockholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1670076/000167007625000013/0001670076-25-000013-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will retire"},{"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"}