---
schema_version: "secwatch.filing_event.v1"
accession: "0001552000-25-000044"
form_type: "8-K"
ticker: "MPLX"
cik: "0001552000"
company_name: "MPLX LP"
filed_at: "2025-12-18T23:59:59+00:00"
generated_at: "2026-05-16T12:44:11.141531+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# MPLX LP elects Maria A. Khoury to Board; succeeds John J. Quaid effective Jan 19, 2026

## Summary
- Maria A. Khoury elected to MPLX GP LLC Board, effective January 19, 2026.
- Khoury will become EVP and CFO of Marathon Petroleum (MPC) on same date.
- She succeeds John J. Quaid, who will cease Board service on effective date.
- Board size remains at ten directors; Khoury serves as management director without additional compensation.

## SEC filing metadata
- accession: 0001552000-25-000044
- form_type: 8-K
- ticker: MPLX
- cik: 0001552000
- company_name: MPLX LP
- filed_at: 2025-12-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200025000044/0001552000-25-000044-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552000/000155200025000044/mplx-20251212.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001552000-25-000044
- JSON: https://secwatch.observer/filing/0001552000-25-000044.json
- Plain text: https://secwatch.observer/filing/0001552000-25-000044.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.