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

Marathon Petroleum: Refining EVP Timothy Aydt to retire; Mike Henschen named successor

Neutral Impact 3 of 5 leadership Written later

Marathon Petroleum said Executive Vice President, Refining Timothy Aydt will retire effective September 2, 2025, after more than 40 years with the company. Mike Henschen will succeed him in the role effective June 1, 2025, and Aydt will stay on in a non-executive role to help with the transition until he retires.

Key points

  • Timothy J. Aydt, EVP Refining, notified the company of his retirement on April 28, 2025; effective date is September 2, 2025
  • Mike Henschen succeeds Aydt as EVP, Refining, effective June 1, 2025
  • Aydt moves to a non-executive role from June 1, 2025 until retirement to assist with the transition and other key initiatives

The filing

CompanyMarathon Petroleum (MPC)
Form8-K, current report
Filed with the SECApr 30, 2025, 4:15 PM ET
Accession number0001510295-25-000032

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 April 30, 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.