---
schema_version: "secwatch.filing_event.v1"
accession: "0001552000-21-000048"
form_type: "8-K"
ticker: "MPLX"
cik: "0001552000"
company_name: "MPLX LP"
filed_at: "2021-12-03T23:59:59+00:00"
generated_at: "2026-06-28T03:49:49.795644+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# MPLX board accepts resignations of two directors, appoints CFO Quaid

## Summary
- Directors Donald C. Templin and Pamela K.M. Beall resigned effective Dec 31, 2021, following retirement from Marathon Group.
- John J. Quaid (EVP & CFO of General Partner) appointed to board effective Jan 1, 2022; board size fixed at nine.
- Mr. Quaid will not receive compensation for board service; no related arrangements or transactions.
- Resignations consistent with Governance Principles requiring Management Directors to resign upon employment termination.

## SEC filing metadata
- accession: 0001552000-21-000048
- form_type: 8-K
- ticker: MPLX
- cik: 0001552000
- company_name: MPLX LP
- filed_at: 2021-12-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000048/0001552000-21-000048-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000048/mplx-20211129.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001552000-21-000048
- JSON: https://secwatch.observer/filing/0001552000-21-000048.json
- Plain text: https://secwatch.observer/filing/0001552000-21-000048.txt

## Key facts
- Executive change
  Pamela K.M. Beall resigned as member of the Board at MPLX LP.
  - Action: resigned
  - Role: member of the Board
  source text: the Board determined to accept resignations from Donald C. Templin and Pamela K.M. Beall, each a Management Director who retired from the Marathon Group during 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000048/0001552000-21-000048-index.htm
- Executive change
  Donald C. Templin resigned as member of the Board at MPLX LP.
  - Action: resigned
  - Role: member of the Board
  source text: the Board determined to accept resignations from Donald C. Templin and Pamela K.M. Beall, each a Management Director who retired from the Marathon Group during 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000048/0001552000-21-000048-index.htm
- Executive change
  John J. Quaid was appointed as member of the Board at MPLX LP.
  - Action: appointed
  - Role: member of the Board
  source text: appointed John J. Quaid to serve as a member of the Board, effective January 1, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1552000/000155200021000048/0001552000-21-000048-index.htm

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