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AI brief of an SEC Form 8-K · Marathon Petroleum (MPC)

Marathon Petroleum director Susan Tomasky to retire from board at 2025 annual meeting

Neutral Impact 2 of 5 leadership Written later

Marathon Petroleum said director Susan Tomasky notified the board on January 20, 2025, that she will retire effective at the close of the company's 2025 annual shareholder meeting, scheduled for April 30, 2025. The filing states her decision was not the result of any disagreement with the company, its management, the board or its committees.

Key points

  • Susan Tomasky notified the board on January 20, 2025 of her decision to retire.
  • Retirement takes effect upon conclusion of the 2025 annual shareholder meeting, to be held April 30, 2025.
  • The filing states the decision was not due to any disagreement on operations, policies or practices.

The filing

CompanyMarathon Petroleum (MPC)
Form8-K, current report
Filed with the SECJan 24, 2025, 4:11 PM ET
Accession number0001510295-25-000002

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:21 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 24, 2025.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.