secwatch.observer — SEC 8-K summary ====================================== Issuer: MPLX LP (MPLX) CIK: 0001552000 Form: 8-K Filed at: 2024-05-13T23:59:59+00:00 Accession: 0001552000-24-000017 Event type: leadership Sentiment: neutral Materiality: 0.65 Item codes: 5.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 MPLX announces CEO succession: Maryann Mannen to become President and CEO effective Aug 1, 2024 -------------------------------------------------------------------------------- - Maryann T. Mannen succeeds Michael J. Hennigan as President and CEO of the general partner, effective August 1, 2024. - Hennigan becomes Executive Chairman of the board; Christopher A. Helms remains independent Lead Director. - Mannen will also serve as President and CEO of parent Marathon Petroleum (MPC) as of the same date. - Under Hennigan's CEO tenure, MPLX returned approx. $15B to unitholders via distributions and buybacks. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200024000017/0001552000-24-000017-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1552000/000155200024000017/mplx-20240511.htm HTML page: https://secwatch.observer/filing/0001552000-24-000017 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer