{"schema_version":"secwatch.filing_event.v1","accession":"0001552000-25-000030","form_type":"8-K","ticker":"MPLX","cik":"0001552000","company_name":"MPLX LP","filed_at":"2025-08-25T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.306335+00:00","generated_at":"2026-05-17T10:12:49.446870+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.2,"confidence":"high","headline":"MPLX LP expands board to 11, elects Ray N. Walker, Jr. as director","bullets":["Board increased to 11 members; Ray N. Walker, Jr. elected effective August 25, 2025.","Walker to serve on audit committee and conflicts committee of the Board.","Compensation as non-management director consistent with prior disclosed terms."],"urls":{"canonical":"https://secwatch.observer/filing/0001552000-25-000030","json":"https://secwatch.observer/filing/0001552000-25-000030.json","markdown":"https://secwatch.observer/filing/0001552000-25-000030.md","text":"https://secwatch.observer/filing/0001552000-25-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1552000/000155200025000030/0001552000-25-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1552000/000155200025000030/mplx-20250825.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T10:12:49.446870+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"}