{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-22-001575","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2022-01-25T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.813462+00:00","generated_at":"2026-06-27T16:04:18.731183+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Marten Transport Q4 net income up 26.1% to $24.7M; record full-year revenue $973.6M","bullets":["Net income Q4 $24.7M ($0.30 EPS) vs $19.6M ($0.24) year ago; full-year net income $85.4M ($1.02 EPS) up 22.9%.","Operating revenue Q4 $266.9M (+17.4%); full year $973.6M (+11.4%); both are company records.","Operating income Q4 $30.7M (+20.0%), full year $111.7M (+19.8%); also record highs.","Operating expenses as % of revenue net of fuel surcharges improved to 87.0% for 2021, best since becoming public in 1986."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-22-001575","json":"https://secwatch.observer/filing/0001437749-22-001575.json","markdown":"https://secwatch.observer/filing/0001437749-22-001575.md","text":"https://secwatch.observer/filing/0001437749-22-001575.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774922001575/0001437749-22-001575-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774922001575/mrtn20220123_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T16:04:18.731183+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"}