secwatch.observer — SEC 8-K summary ====================================== Issuer: MPLX LP (MPLX) CIK: 0001552000 Form: 8-K Filed at: 2025-08-25T23:59:59+00:00 Accession: 0001552000-25-000030 Event type: leadership Sentiment: neutral Materiality: 0.20 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 MPLX LP expands board to 11, elects Ray N. Walker, Jr. as director ------------------------------------------------------------------ - 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. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200025000030/0001552000-25-000030-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1552000/000155200025000030/mplx-20250825.htm HTML page: https://secwatch.observer/filing/0001552000-25-000030 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer