MPLX LP Form 8-K Summary
Business Context and Reporting Period
This Current Report on Form 8-K was filed by MPLX LP on December 12, 2025, regarding events reported on December 18, 2025. The filing pertains to corporate governance changes within the General Partner of the Partnership.
Key Financial Metrics
The filing text does not provide a clear value for revenue, profit, cash flow, margins, debt, or liquidity. This report focuses exclusively on personnel and governance matters.
Material Changes
The primary material change disclosed is the election of a new director to the Board of Directors of MPLX GP LLC (the General Partner):
- New Director: Maria A. Khoury was elected to the Board, effective January 19, 2026.
- Departing Director: John J. Quaid will cease service on the Board on the Effective Date.
- Board Size: The Board size remains at ten directors.
Management Commentary and Governance Details
Maria A. Khoury will assume the role of Executive Vice President and Chief Financial Officer of Marathon Petroleum Corporation (MPC) on the Effective Date. MPC owns the General Partner and a majority of the Partnership's outstanding common units. As an employee of MPC, Ms. Khoury will serve as a management director for the General Partner and will not receive separate compensation for her Board services. She is not expected to serve on any standing committees. The filing confirms no family relationships with other directors or officers and no undisclosed interests in transactions.
Investor Verification Checklist
- Verify the effective date of Maria A. Khoury's appointment (January 19, 2026).
- Confirm the transition of duties from John J. Quaid to Maria A. Khoury.
- Review MPC's concurrent announcement regarding Ms. Khoury's promotion to CFO.
- Check subsequent filings for any changes to Board committee assignments.