Welcome to our dedicated page for Marathon Pete SEC filings (Ticker: MPC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tracking refining margins across Marathon Petroleum’s 13-facility network shouldn’t require combing through hundreds of pages of technical disclosure. Yet each 10-K buries crack-spread data, environmental liabilities, and pipeline tariff details behind dense accounting language. That’s the pain point investors voice most often.
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Every filing type is covered: proxy statements for Marathon Petroleum proxy statement executive compensation, insider forms for Marathon Petroleum insider trading Form 4 transactions, and 8-Ks for unplanned outages—all searchable, all linked to concise analytics. Use the data to compare quarter-over-quarter crack spreads, spot Marathon Petroleum executive stock transactions Form 4 before earnings, or dive into segment performance with our Marathon Petroleum earnings report filing analysis. Complex disclosures become actionable intelligence, enabling energy analysts, credit desks, and retail investors to act decisively without wading through footnotes.
Marathon Petroleum (MPC) announced a leadership transition. The Board elected Maryann T. Mannen, its President and CEO, as Chairman of the Board, effective January 1, 2026. She will hold both roles.
Michael J. Hennigan notified the company of his retirement as Executive Chairman and as a director effective the same date. Following his retirement, the Board size will be set at 11 directors.
The filing notes the company’s prior mandatory retirement policy for executive officers had been waived for Mr. Hennigan upon his election as Executive Chairman effective August 1, 2024, and that the policy has since been rescinded. The company issued a press release on November 4, 2025 announcing these changes.
Marathon Petroleum (MPC) reported Q3 2025 results. Sales and other operating revenues were $34.809 billion versus $35.107 billion a year ago. Income from operations was $2.713 billion. Net income attributable to MPC rose to $1.370 billion (diluted EPS $4.51) from $622 million (EPS $1.87) in Q3 2024.
Segment adjusted EBITDA totaled $3.415 billion, including Refining & Marketing $1.762 billion, Midstream $1.709 billion, and Renewable Diesel $(56) million. Long‑term debt was $31.232 billion at September 30, 2025, up from $24.432 billion at year‑end.
MPLX closed the $2.4 billion Northwind Midstream acquisition and purchased the remaining 55% of BANGL for $703 million plus up to $275 million in contingent consideration, recognizing a $484 million gain on the previously held stake. MPLX also agreed to divest Rockies gathering and processing for $1.0 billion, with an estimated gain in excess of $150 million at closing. MPC repurchased 3 million shares for $650 million in Q3 and had $5.38 billion remaining under share repurchase authorizations.
Marathon Petroleum (MPC) furnished an 8‑K announcing its financial results for the quarter ended September 30, 2025. The company issued a press release, provided as Exhibit 99.1, and designated the disclosure under Item 2.02 as furnished rather than filed under the Exchange Act.
Molly R. Benson, Chief Legal Officer and Corporate Secretary of Marathon Petroleum Corporation (MPC), reported Option exercises and share sales on Form 4. On 08/15/2025 she exercised 10,879 employee stock options at an exercise price of $62.68 and acquired 10,879 shares. The same day she sold 10,879 shares at $163 under a Rule 10b5-1 plan adopted May 14, 2025. Following the transactions the reporting person directly owned 39,578.942 shares and indirectly owned 86.721 shares through a 401(k) plan. The filing discloses small dividend reinvestment amounts of 0.250278 and 1.04 shares not previously reported. The Form 4 was signed by an attorney-in-fact on 08/19/2025.
Form 144 filed for Marathon Petroleum Corporation (MPC) discloses a proposed sale of 10,879 shares of common stock through Fidelity Brokerage Services with an aggregate market value of $1,773,277.00. The filing lists approximately 304,020,309 shares outstanding and an approximate sale date of 08/15/2025 on the NYSE.
The securities were acquired via an option (granted 03/01/2019) and are reported as being paid for in cash on 08/15/2025. The filer reports no securities sold in the past three months and includes the standard representation that the seller does not possess undisclosed material adverse information.
Marathon Petroleum (MPC) Form 4: On 1 Aug 2025, President & CEO Maryann T. Mannen reported a Code F transaction—908 common shares were withheld at $166.39 per share (≈ $151k) to cover taxes linked to equity compensation. After the withholding, she still directly owns 100,547 shares. No derivative trades were disclosed. The routine filing, signed 5 Aug 2025, suggests standard tax-related share surrender rather than discretionary open-market selling.
On August 5, 2025, Marathon Petroleum Corporation (NYSE: MPC) filed a Form 8-K under Item 2.02 to furnish, rather than file, its press release announcing financial results for the quarter ended June 30, 2025. The earnings release is attached as Exhibit 99.1 and is incorporated by reference only to the extent expressly stated in future filings. No quantitative results, guidance, or financial statements appear in the Form 8-K itself. A cover-page Inline XBRL file is listed as Exhibit 104. The report was signed by Executive Vice President & Chief Financial Officer John J. Quaid.
Marathon Petroleum Corp. (MPC) – Form 4 insider transaction
Director Kim K.W. Rucker sold 7,392 MPC common shares on 07 Jul 2025 at an average price of $175 per share, generating proceeds of roughly $1.3 million. The trade was executed under a pre-arranged Rule 10b5-1 plan adopted on 19 May 2024, indicating it was scheduled in advance.
Following the sale, Rucker’s direct holdings declined to 18,944.271 shares. The filing also notes the inclusion of 105.405 dividend-reinvested shares previously unreported.
The transaction represents approximately 28% of the director’s prior stake, but is immaterial relative to MPC’s ~480 million shares outstanding. No derivative transactions were reported.
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