{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-26-028920","form_type":"8-K","ticker":"MRTN","cik":"0000799167","company_name":"MARTEN TRANSPORT LTD","filed_at":"2026-08-25T20:19:16+00:00","discovered_at":"2026-08-25T20:20:00.297220+00:00","generated_at":"2026-08-25T20:20:10.134281+00:00","sec_items":["1.01","2.03"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Marten Transport amends credit agreement; extends term to 2031, raises LC limit to $50M","bullets":["On Aug 19, 2026, entered Second Amendment to Credit Agreement with U.S. Bank and banks.","Extends facility term to Aug 19, 2031; reduces max aggregate principal from $105M to $100M.","Letter of credit sublimit increased from $35M to $50M; provides $50M Second Amended Revolving Note.","Also updates applicable margins for Term SOFR advances.","Original facility was $30M unsecured revolving credit with $30M LC sublimit (2022)."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-26-028920","json":"https://secwatch.observer/filing/0001437749-26-028920.json","markdown":"https://secwatch.observer/filing/0001437749-26-028920.md","text":"https://secwatch.observer/filing/0001437749-26-028920.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799167/000143774926028920/0001437749-26-028920-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799167/000143774926028920/mrtn20260825_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-25T20:20:10.134281+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"}