{"schema_version":"secwatch.filing_event.v1","accession":"0000799233-24-000034","form_type":"8-K","ticker":"HTLD","cik":"0000799233","company_name":"HEARTLAND EXPRESS INC","filed_at":"2024-09-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:15.920716+00:00","generated_at":"2026-05-31T03:48:10.832392+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Heartland Express director Michael J. Sullivan passes away on Sept 14, 2024","bullets":["Independent director Michael J. Sullivan died on September 14, 2024; served since 2018.","Sullivan was on Audit and Risk Committee and Nominating and Governance Committee.","Company expresses deep sadness; succession or replacement not announced yet."],"urls":{"canonical":"https://secwatch.observer/filing/0000799233-24-000034","json":"https://secwatch.observer/filing/0000799233-24-000034.json","markdown":"https://secwatch.observer/filing/0000799233-24-000034.md","text":"https://secwatch.observer/filing/0000799233-24-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799233/000079923324000034/0000799233-24-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799233/000079923324000034/htld-20240914.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T03:48:10.832392+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":"d1c4f5ae14","claim":"Michael J. Sullivan departed as Director at HEARTLAND EXPRESS INC.","evidence_excerpt":"Heartland Express, Inc. (the “Company”) is deeply saddened to announce that director Mr. Michael J. Sullivan passed away on September 14, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/799233/000079923324000034/0000799233-24-000034-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"passed away"},{"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"}