{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-21-016991","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2021-07-15T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.788211+00:00","generated_at":"2026-06-30T05:16:10.296296+00:00","sec_items":["2.02","9.01"],"event_type":"earnings","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Marten Transport Q2 record revenue $232.4M, net income up 18.1% to $21.4M","bullets":["Diluted EPS $0.26 vs $0.22 in Q2 2020; net income $21.4M, up 18.1%.","Operating revenue record $232.4M (+9.4% YoY); operating income record $28.5M (+12.9%).","Operating ratio net of fuel surcharges improved to 86.0%, best since 1986 IPO.","First-half 2021 net income $39.4M (+23.8%); operating income $52.5M (+21.3%).","Management cites tight freight market and driver shortage driving pricing improvements."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-21-016991","json":"https://secwatch.observer/filing/0001437749-21-016991.json","markdown":"https://secwatch.observer/filing/0001437749-21-016991.md","text":"https://secwatch.observer/filing/0001437749-21-016991.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774921016991/0001437749-21-016991-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774921016991/mrtn20210714_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T05:16:10.296296+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"}