---
schema_version: "secwatch.filing_event.v1"
accession: "0001552000-22-000038"
form_type: "8-K"
ticker: "MPLX"
cik: "0001552000"
company_name: "MPLX LP"
filed_at: "2022-08-22T23:59:59+00:00"
generated_at: "2026-06-23T22:16:15.552487+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# MPLX LP EVP and Chief Commercial Officer Timothy J. Aydt to depart for parent Marathon Petroleum role

## Summary
- Timothy J. Aydt appointed EVP, Refining of Marathon Petroleum effective Sept 1, 2022; will leave MPLX executive role.
- Aydt had been EVP and Chief Commercial Officer of MPLX GP LLC since August 2020; successor not yet named.
- MPLX stated role will be filled in due course, no interim appointment announced.

## SEC filing metadata
- accession: 0001552000-22-000038
- form_type: 8-K
- ticker: MPLX
- cik: 0001552000
- company_name: MPLX LP
- filed_at: 2022-08-22T23:59:59+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/1552000/000155200022000038/0001552000-22-000038-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1552000/000155200022000038/mplx-20220822.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001552000-22-000038
- JSON: https://secwatch.observer/filing/0001552000-22-000038.json
- Plain text: https://secwatch.observer/filing/0001552000-22-000038.txt

## Key facts
- Executive change
  Timothy J. Aydt departed as Executive Vice President and Chief Commercial Officer of MPLX GP LLC at MPLX LP.
  - Action: will no longer serve
  - Role: Executive Vice President and Chief Commercial Officer of MPLX GP LLC
  source text: Effective September 1, 2022, Mr. Aydt will no longer serve as an executive officer of MPLX GP LLC and his role with the Partnership will be filled in due course.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1552000/000155200022000038/0001552000-22-000038-index.htm

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