{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-22-009211","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2022-04-19T23:59:59+00:00","discovered_at":"2026-05-14T18:04:03.745734+00:00","generated_at":"2026-06-26T06:42:41.573231+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 Q1 net income up 52.9% to $27.5M; record revenue $287.3M","bullets":["EPS $0.33 diluted vs $0.22 YoY; net income $27.5M vs $18.0M.","Operating revenue record $287.3M (+28.8% YoY); net of fuel surcharge $245.3M (+23.8%).","Operating income record $35.9M (+49.4%); operating ratio net of fuel surcharge best since 1986 at 85.4%.","Repurchased 1.3M shares for $25M; quarterly dividend increased 50%.","Added 128 drivers and 95 refrigerated containers in Q1; fleet 729 containers."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-22-009211","json":"https://secwatch.observer/filing/0001437749-22-009211.json","markdown":"https://secwatch.observer/filing/0001437749-22-009211.md","text":"https://secwatch.observer/filing/0001437749-22-009211.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774922009211/0001437749-22-009211-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774922009211/mrtn20220414_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-26T06:42:41.573231+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"}