---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-23-000057"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2023-05-19T23:59:59+00:00"
generated_at: "2026-06-14T19:43:23.653515+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Director Toni Townes-Whitley resigns from Marathon Petroleum board effective June 30

## Summary
- Toni Townes-Whitley notified MPC board of resignation effective June 30, 2023.
- Resignation due to her appointment as CEO of another company and additional time commitments.
- No disagreement with company, management, or board on any matter.

## SEC filing metadata
- accession: 0001510295-23-000057
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2023-05-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000057/0001510295-23-000057-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000057/mpc-20230515.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-23-000057
- JSON: https://secwatch.observer/filing/0001510295-23-000057.json
- Plain text: https://secwatch.observer/filing/0001510295-23-000057.txt

## Key facts
- Executive change
  Toni Townes-Whitley resigned as Director at Marathon Petroleum Corp.
  - Action: resigned
  - Role: Director
  source text: On May 15, 2023, Toni Townes-Whitley notified the Board of Directors (the “Board”) of Marathon Petroleum Corporation (the “Company”) of her decision to resign from the Board effective June 30, 2023 as a result of her recent appointment as chief executive officer of another company and in consideration of her additional time commitments associated with such position.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000057/0001510295-23-000057-index.htm

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