{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-005966","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2023-03-09T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.121671+00:00","generated_at":"2026-06-18T07:58:48.140317+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Marten Transport elects Patricia L. Jones as independent director","bullets":["Patricia L. Jones elected to board as independent director; term begins March 15, 2023.","Jones will serve on Compensation and Nominating/Corporate Governance Committees.","Jones is founder/CEO of Culture Circus LLC and SVP HR at National Marrow Donor Program.","Non-employee director compensation: $45,000 annual retainer, $1,500 per board meeting, $750 per committee meeting.","Eligible for annual grant of 3,000 shares upon re-election at stockholder meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-005966","json":"https://secwatch.observer/filing/0001437749-23-005966.json","markdown":"https://secwatch.observer/filing/0001437749-23-005966.md","text":"https://secwatch.observer/filing/0001437749-23-005966.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774923005966/0001437749-23-005966-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774923005966/mrtn20230309_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T07:58:48.140317+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":"adf731299e","claim":"Patricia L. Jones was elected as independent director at MARTEN TRANSPORT LTD.","evidence_excerpt":"On March 3, 2023, the company's board of directors elected Patricia L. Jones as an independent director of the company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/799167/000143774923005966/0001437749-23-005966-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"independent director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}