{"cik":"0000853816","ticker":"LSTR","name":"LANDSTAR SYSTEM INC","sic_code":"4213","sic_description":"Trucking (No Local)","exchange":"Nasdaq","state_of_incorporation":"DE","fiscal_year_end":"1230","first_filing_date":"2026-05-14","last_filing_date":"2026-07-06","url":"/sec/cik-0000853816","insider_summary":{"total_transactions":9,"unique_insiders":8,"latest_transaction":"2026-06-15"},"recent_filings":[{"accession_number":"0001193125-26-296288","form_type":"8-K","form_type_family":"current","doc_date":"2026-07-06","title":"8-K — LANDSTAR SYSTEM INC — 2026-07-06","url_slug":"/sec/cik-0000853816/8-k/0001193125-26-296288","edgar_url":"https://www.sec.gov/Archives/edgar/data/853816/0001193125-26-296288-index.html"}],"related_endpoints":{"profile":"/sec/LSTR/profile","timeline":"/sec/LSTR/timeline","peers":"/sec/LSTR/peers","insider_pulse":"/sec/LSTR/insider-pulse","insider_summary":"/sec/LSTR/insider-summary","insider_transactions":"/sec/LSTR/insider-transactions","form144":"/sec/LSTR/form144","holdings_as_filer":"/sec/LSTR/holdings","financial_facts":"/sec/LSTR/financial-facts","derivatives":"/sec/LSTR/derivatives","officers":"/sec/LSTR/officers","insider_network":"/sec/LSTR/insider-network","risk_flags":"/sec/LSTR/risk-flags","filings":"/sec/LSTR/filings","cross_topic_dossier":"/api/v1/dossier?ticker=LSTR"}}