{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-001674","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2023-01-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.121446+00:00","generated_at":"2026-06-20T11:17:55.057967+00:00","sec_items":["2.02","7.01","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Marten Transport Q4 net income $25.5M ($0.31 EPS), up 3.2% YoY; FY2022 revenue record $1.264B","bullets":["Q4 net income $25.5M ($0.31 diluted EPS) vs $24.7M ($0.30) a year ago; 16th consecutive quarterly profit growth.","Full-year 2022 net income $110.4M ($1.35 EPS), up 29.2% from $85.4M ($1.02) in 2021.","Operating revenue for 2022 reached record $1.264B, up 29.8% YoY; operating income record $143.3M, up 28.3%.","Operating ratio net of fuel surcharges improved to 86.4%, best since becoming public in 1986.","Company started 2023 with 425 more drivers than at start of 2022, citing momentum for continued growth."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-001674","json":"https://secwatch.observer/filing/0001437749-23-001674.json","markdown":"https://secwatch.observer/filing/0001437749-23-001674.md","text":"https://secwatch.observer/filing/0001437749-23-001674.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774923001674/0001437749-23-001674-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774923001674/mrtn20230118_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T11:17:55.057967+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":"484190b7ea618d0c0ea2d26128836023d21c2b21","claim":"MARTEN TRANSPORT LTD reported the fourth quarter ended December 31, 2022 results: revenue $322.6 million, net income $25.5 million, EPS 31 cents per diluted share.","evidence_excerpt":"surcharges 15.8 % 23.1 % 8.3 % 6.8 % 8.6 % Operating income 6.9 % 28.3 % 19.8 % 21.9 % 8.7 % Net income 3.2 % 29.2 % 22.9 % 13.8 % 11.0 % Operating revenue improved 20.9% to $322.6 million for the fourth quarter of 2022 from $266.9 million for the fourth quarter of 2021. Excluding fuel surcharges, operating revenue improved 15.8% to $269.7 million for the 2022","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/799167/000143774923001674/0001437749-23-001674-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the fourth quarter ended December 31, 2022"},{"label":"Revenue","value":"$322.6 million"},{"label":"Net income","value":"$25.5 million"},{"label":"EPS","value":"31 cents per diluted share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"},{"claim_id":"7b2e09492217ff1a582046c284288571519e0941","claim":"MARTEN TRANSPORT LTD reported the year ended December 31, 2022 results: revenue $1.264 billion, net income $110.4 million, EPS $1.35 per diluted share.","evidence_excerpt":"revenue increased to $52.9 million for the 2022 quarter from $34.0 million for the 2021 quarter, reflecting significantly higher fuel prices. Operating revenue improved 29.8% to $1.264 billion for 2022, the highest amount for any year in Marten’s 77-year history, from $973.6 million for 2021. Excluding fuel surcharges, operating revenue improved 23.1% to $1.053 billion","evidence_source":"SEC 8-K Item 2.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/799167/000143774923001674/0001437749-23-001674-index.htm","confidence":0.95,"family_label":"Earnings Releases","details":[{"label":"Period","value":"the year ended December 31, 2022"},{"label":"Revenue","value":"$1.264 billion"},{"label":"Net income","value":"$110.4 million"},{"label":"EPS","value":"$1.35 per diluted share"},{"label":"Result","value":"reported results"}],"fact_type":"earnings_release"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}