Marathon Petroleum Insider Files to Sell $6.1M in Stock
Marathon Petroleum Corp
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Filing Summary
Marathon Petroleum Insider Files to Sell $6.1M in Stock
Company: Marathon Petroleum Corp (MPC) Form: 144 | Filed: 2026/03/24 Significance: Low
Insider: Hennigan Michael J Relationship: Former Director
Transaction: • Type: Proposed Sale • Shares: 25,000 • Price: ~$242.26 (Est.) • Value: $6,056,491
Key Insight: Insider continues a consistent selling pattern, liquidating 25,000 shares approximately every two weeks since February. While the absolute value is high ($6M), it represents less than 0.01% of the company's market cap.
Market Context: Transaction is part of a broader liquidation strategy, with 125,000 shares sold in the past 3 months.
Comprehensive Analysis
SEC Filing Analysis: Marathon Petroleum Corp (MPC)
Executive Summary
- Trading Significance: Low
- Key Takeaway: Insider continues a structured liquidation plan, filing to sell another $6.1M block of stock.
- Market Impact: Negligible; transaction size is minimal relative to the company's $68.5B market capitalization.
Company Information
| Field | Value |
|---|---|
| Company | Marathon Petroleum Corp |
| Ticker Symbol | MPC |
| CIK | 0001510295 |
| Industry | Petroleum Refining |
Insider Information
| Field | Value |
|---|---|
| Name | Hennigan Michael J |
| CIK | 0001352283 |
| Title/Position | N/A |
| Relationship | Former Director |
Transaction Details
| Field | Value |
|---|---|
| Form Type | 144 |
| Transaction Date | 2026/03/24 (Approx) |
| Transaction Code | S (Proposed) |
| Security Type | Common Stock |
| Shares Involved | 25,000 |
| Price Per Share | ~$242.26 (Implied) |
| Total Value | $6,056,491.32 |
| Ownership Type | Direct |
Financial Impact Assessment
Transaction Materiality
| Metric | Value |
|---|---|
| Transaction Value | $6,056,491 |
| % of Market Cap | 0.0088% |
| Shares Transacted | 25,000 |
| % of Shares Outstanding | 0.0085% |
| Materiality Assessment | Low |
Impact Evaluation
- Market Cap Context: With a market cap of $68.54 billion, a $6 million transaction is routine volume and does not signal a liquidity event.
- Transaction Significance: The transaction represents less than 0.01% of shares outstanding, well below the 0.1% threshold for moderate significance.
- Pattern Recognition: This filing follows a strict pattern of 25,000-share sales occurring on Feb 6, Feb 26, Mar 2, Mar 6, and Mar 19, suggesting a pre-planned 10b5-1 disposition schedule.
Market Impact Analysis
Stock Impact Prediction
- Direction: Neutral
- Reasoning: The selling pressure is minimal relative to the stock's liquidity. The consistent nature of the sales suggests this is routine estate planning or diversification rather than a reaction to company fundamentals.
Volume & Sentiment
- Expected Volume Impact: None. The 25,000 shares are negligible compared to daily trading volumes for a large-cap energy stock.
- Sentiment Indicator: Neutral. Continued selling by an insider can sometimes be viewed negatively, but the systematic nature here mitigates bearish sentiment.
Additional Context
Transaction Notes
- Sales History: The reporting person has sold 125,000 shares in the past 3 months, totaling approximately $26.7 million in gross proceeds prior to this filing.
- Source of Shares: The shares to be sold were acquired via Restricted Stock Vesting in March 2023 as compensation.
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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.
Nothing here is a recommendation to buy, sell, or hold any security. Do your own due diligence.