Marathon Petroleum Officer Files Form 144 Notice of Proposed Sale
Marathon Petroleum Corp
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Filing Summary
Marathon Petroleum Corp (NYSE: MPC) - Form 144 Filing Insider: Shawn M Lyon (Officer) Proposed Sale: 1,000 Common shares Estimated Total Value: $375,735.26 (~$375.74/share) Broker: Wells Fargo Clearing Services Approximate Date of Sale: 08/31/2026 Past 3 Months Sales: 2,925 shares totaling $1,031,583.11
Comprehensive Analysis
Proposed Insider Transaction Analysis
Company: Marathon Petroleum Corp (NYSE: MPC)
Insider: Shawn M Lyon, Officer
Filing Type: Form 144 (Notice of Proposed Sale of Securities)
Filing Date: August 31, 2026
Key Details
- Proposed Sale Volume: 1,000 shares of Common Stock
- Aggregate Market Value: $375,735.26 (~$375.74 per share)
- Shares Outstanding: 280,824,763 shares
- Acquisition History: Acquired on April 1, 2023, directly from the issuer as equity compensation.
- Broker: Wells Fargo Clearing Services
Historical Activity (Past 3 Months)
- August 13, 2026: 2,500 shares sold for gross proceeds of $874,974.97
- August 28, 2026: 425 shares sold for gross proceeds of $156,608.14
Significance & Market Impact
- Trading Significance: Low. The proposed sale represents a negligible fraction of Marathon Petroleum Corp's 280.8M outstanding shares and is consistent with routine executive compensation liquidity following prior sales earlier in the month.
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Important Disclaimer
This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.
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