Form 4: Marathon Petroleum CEO's Share Disposition for Tax

Marathon Petroleum's President and CEO, Maryann T. Mannen, reported a disposition of 908 common shares for tax withholding purposes at $166.39 per share.

Summary

• Maryann T. Mannen, President and CEO of Marathon Petroleum Corp (MPC), reported a transaction.
• On August 1, 2025, 908 shares of common stock were disposed of.
• The disposition was made at a price of $166.39 per share.
• The transaction code "F" indicates the shares were disposed of to the issuer for tax withholding obligations.
• Following this transaction, Maryann T. Mannen directly beneficially owns 100,547 shares of common stock.

Sentiment

Score: 5

Explanation: The transaction is a routine, non-discretionary disposition for tax purposes, which is neutral in terms of sentiment. It does not indicate a change in management's confidence or a strategic shift.

Positives

• The transaction is a routine tax-related disposition, not a discretionary sale, which typically does not signal a lack of confidence in the company.

Negatives

• No significant negatives identified as this is a routine tax-related transaction.

Risks

• No specific risks mentioned in this Form 4 filing beyond the inherent risks of holding equity.

Future Outlook

No forward-looking statements or guidance were provided in this filing.

Industry Context

This Form 4 filing reports a routine insider transaction for tax purposes and does not provide broader industry context or trends.

Management Changes

Corporate Governance

Legal Proceedings

• No legal proceedings or regulatory matters were disclosed in this filing.

Related Party Transactions

• The transaction involves the disposition of shares to the issuer for tax purposes, which is a standard arrangement for equity compensation, not a related party transaction in the typical sense of a special dealing.

Stakeholder Impact

• This routine insider transaction for tax purposes is unlikely to have a significant direct impact on shareholders, employees, customers, suppliers, or creditors.

Next Steps

• No specific future actions, events, or milestones were mentioned in this filing.

Key Dates

Recommendation

This Form 4 filing details a routine, non-discretionary disposition of shares by the CEO for tax withholding purposes. Such transactions are common and do not typically signal a change in the insider's view of the company's prospects. Therefore, it provides no new information to alter an existing investment thesis, warranting a 'hold' recommendation.

Keywords

Marathon Petroleum, MPC, SEC Form 4, Insider Transaction, Share Disposition, CEO, Tax Withholding, Common Stock