{"cik":"0000799167","ticker":"MRTN","name":"MARTEN TRANSPORT LTD","sic_code":"4213","sic_description":"Trucking (No Local)","exchange":"Nasdaq","state_of_incorporation":"DE","fiscal_year_end":"1231","first_filing_date":"2026-06-18","last_filing_date":"2026-07-06","url":"/sec/cik-0000799167","insider_summary":{"total_transactions":0,"unique_insiders":0,"latest_transaction":null},"recent_filings":[{"accession_number":"0001437749-26-021135","form_type":"8-K","form_type_family":"current","doc_date":"2026-06-18","title":"8-K — MARTEN TRANSPORT LTD — 2026-06-18","url_slug":"/sec/cik-0000799167/8-k/0001437749-26-021135","edgar_url":"https://www.sec.gov/Archives/edgar/data/799167/0001437749-26-021135-index.html"}],"related_endpoints":{"profile":"/sec/MRTN/profile","timeline":"/sec/MRTN/timeline","peers":"/sec/MRTN/peers","insider_pulse":"/sec/MRTN/insider-pulse","insider_summary":"/sec/MRTN/insider-summary","insider_transactions":"/sec/MRTN/insider-transactions","form144":"/sec/MRTN/form144","holdings_as_filer":"/sec/MRTN/holdings","financial_facts":"/sec/MRTN/financial-facts","derivatives":"/sec/MRTN/derivatives","officers":"/sec/MRTN/officers","insider_network":"/sec/MRTN/insider-network","risk_flags":"/sec/MRTN/risk-flags","filings":"/sec/MRTN/filings","cross_topic_dossier":"/api/v1/dossier?ticker=MRTN"}}