{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-362680","form_type":"8-K","ticker":"MPLX","cik":"0001552000","company_name":"MPLX LP","filed_at":"2026-08-24T16:16:43+00:00","discovered_at":"2026-08-24T16:18:04.873170+00:00","generated_at":"2026-08-24T16:18:14.101915+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"low","headline":"MPLX files debt offering exhibits; terms not disclosed","bullets":["Underwriting agreement with TD Securities, Goldman Sachs, J.P. Morgan, SMBC Nikko, and Wells Fargo dated Aug 10, 2026.","Three supplemental indentures (38th-40th) executed with BNY Mellon as trustee on Aug 24, 2026.","No principal amount, interest rate, or maturity for the notes provided in this filing.","Legal opinion from Jones Day included as exhibit."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-362680","json":"https://secwatch.observer/filing/0001193125-26-362680.json","markdown":"https://secwatch.observer/filing/0001193125-26-362680.md","text":"https://secwatch.observer/filing/0001193125-26-362680.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1552000/000119312526362680/0001193125-26-362680-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1552000/000119312526362680/d178331d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-24T16:18:14.101915+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"}