{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-012120","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2025-04-16T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.321526+00:00","generated_at":"2026-05-23T14:06:18.722994+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Marten Transport Q1 net income drops 55% to $4.3M; EPS $0.05 vs $0.12","bullets":["Net income $4.3M ($0.05 diluted EPS) vs $9.6M ($0.12) in Q1 2024.","Operating revenue $223.2M, down 10.6% YoY from $249.7M.","Operating income $5.9M vs $12.3M; operating expense ratio 97.4% vs 95.1%.","Fuel surcharge revenue fell to $27.4M from $33.9M.","Executive Chairman cites freight market recession and trade policy volatility as headwinds."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-012120","json":"https://secwatch.observer/filing/0001437749-25-012120.json","markdown":"https://secwatch.observer/filing/0001437749-25-012120.md","text":"https://secwatch.observer/filing/0001437749-25-012120.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774925012120/0001437749-25-012120-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774925012120/mrtn20250411_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T14:06:18.722994+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}