Marathon Petroleum SVP Shawn M Lyon Sells $532K in Common Stock
Marathon Petroleum Corp
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Filing Summary
š **Insider Filing Alert: Marathon Petroleum Corp ($MPC)**
š¤ **Insider:** Lyon Shawn M (SVP Log & Storage, MPLX GP LLC)
š **Action:** Sold 1,425 shares
š° **Value:** $532,366.75 (Avg Price: ~$373.59)
š
**Date:** 2026-08-28 to 2026-08-31
š **Post-Transaction Direct Holdings:** 11,194 shares
Comprehensive Analysis
Executive Summary
On September 1, 2026, Shawn M. Lyon, Senior Vice President of Logistics & Storage at MPLX GP LLC (a subsidiary of Marathon Petroleum Corp), reported the open-market sale of 1,425 shares of Marathon Petroleum Corp ($MPC) common stock across two transactions totaling approximately $532,367.
Transaction Details
- August 28, 2026: Sold 425 shares at a weighted-average price of $368.51 (ranging from $368.43 to $368.53) for a total of $156,616.75.
- August 31, 2026: Sold 1,000 shares at $375.75 per share for a total of $375,750.00.
- Aggregate Shares Transacted: 1,425 shares disposed.
- Post-Transaction Holdings: Following the transactions, the reporting owner directly retains 11,194 shares of common stock, in addition to 2,938.762 shares held indirectly through a 401(k) plan.
Market Significance
This filing carries Low significance. The total dollar value ($532K) represents a standard diversification or liquidity sale by a subsidiary executive and leaves the insider with a substantial continuing equity stake in the company.
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