MPC Marathon Petroleum
company
SEC Filings & Insider Trading Activity 2026

CIK: 1510295
Energy
Petroleum Refining 40 filings
S&P 500

Latest Marathon Petroleum (MPC) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 26, 2026, a 10-Q quarterly report filed on November 4, 2025, an 8-K current report filed on May 1, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Marathon Petroleum (MPC) (SEC CIK 1510295), with AI-powered section-by-section summaries updated daily.

10-Q: 27
10-K: 9
8-K: 4

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 26, 2026
10-Q Quarterly Report
Nov 4, 2025
8-K Current Report
May 1, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Risk Factors

  • California SB X1-2 and AB X2-1 empower CEC to cap gasoline refining margins and mandate minimum fuel inventories, directly threatening MPC's LA and Martinez facilities
  • Total debt $33.31B at Dec 31, 2025, with $26.01B sitting at MPLX subsidiary level, creating structural leverage concentration
+3 more insights

Business Overview

  • Integrated downstream/midstream energy company; ~3.0 mbpd refining capacity, one of largest US wholesale gasoline/distillate suppliers, with MPLX (~64% owned) as midstream backbone
  • Martinez Renewables JV (50/50 with Neste) reached full 730 million gal/year capacity in late 2024; combined with Dickinson's 184 million gal/year, positions MPC as one of largest US renewable diesel producers
+3 more insights

Management Discussion & Analysis

  • Total revenues $135.2B vs $140.4B in 2024, down $5.19B; sales revenues $132.7B vs $138.9B, driven by avg refined product prices down $0.18/gal (8%)
  • Net income attributable to MPC $4.05B vs $3.45B; EPS $13.22 vs $10.08; income before taxes $7.0B vs $6.0B; no operating margin % disclosed in text
+3 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Risk Factors

  • Continued exposure to commodity price volatility impacting refining margins and profitability
  • Regulatory risks including environmental compliance with evolving emissions standards and regulations

Management Discussion & Analysis

  • Revenue $34.8B Q3 2025 vs $35.1B Q3 2024 (-$0.3B), with Refining & Marketing sales revenues down $687M due to lower average sales prices partially offset by sales volume growth
  • Operating margin improved; Refining & Marketing adj. EBITDA $1.762B Q3 2025 vs $1.136B Q3 2024; segment adj. EBITDA per barrel 6.37$ vs 4.15$, margin $17.60/barrel vs $14.63/barrel YoY
Read full Q3 2025 10-Q analysis →

Annual Reports Archive
10-K

AI-powered analysis of Marathon Petroleum (MPC) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Marathon Petroleum (MPC) 10-Q quarterly reports filed with SEC EDGAR.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$177.5B$148.4B$138.9B$132.7B
Operating Income$21.5B$14.5B$6.8B$8.3B
Net Income$14.5B$9.7B$3.4B$4.0B
Op. Margin12.1%9.8%4.9%6.2%
Net Margin8.2%6.5%2.5%3.0%
Balance Sheet
Total Assets$89.9B$86.0B$78.9B$84.0B
Equity$27.7B$24.4B$17.7B$17.3B
ROE52.4%39.7%19.4%23.4%

Source: XBRL financial data from Marathon Petroleum (MPC) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
May 1, 2026
8-K
Apr 13, 2026
10-K
Feb 26, 2026Dec 31, 2025Analysis
8-K
Feb 3, 2026
8-K
Dec 18, 2025
10-Q
Nov 4, 2025Sep 30, 2025Analysis
10-Q
Aug 5, 2025Jun 30, 2025
10-Q
May 6, 2025Mar 31, 2025
10-K
Feb 27, 2025Dec 31, 2024Analysis
10-Q
Nov 5, 2024Sep 30, 2024
10-Q
Aug 6, 2024Jun 30, 2024
10-Q
Apr 30, 2024Mar 31, 2024
10-K
Feb 28, 2024Dec 31, 2023
10-Q
Oct 31, 2023Sep 30, 2023
10-Q
Aug 1, 2023Jun 30, 2023
10-Q
May 2, 2023Mar 31, 2023
10-K
Feb 23, 2023Dec 31, 2022
10-Q
Nov 1, 2022Sep 30, 2022
10-Q
Aug 2, 2022Jun 30, 2022
10-Q
May 3, 2022Mar 31, 2022
10-K
Feb 24, 2022Dec 31, 2021
10-Q
Nov 2, 2021Sep 30, 2021
10-Q
Aug 4, 2021Jun 30, 2021
10-Q
May 6, 2021Mar 31, 2021
10-K
Feb 26, 2021Dec 31, 2020

Frequently Asked Questions

What are the latest MPC SEC filings in 2026?

Marathon Petroleum (MPC) has filed a 10-K annual report on February 26, 2026, a 10-Q quarterly report on November 4, 2025, an 8-K current report on May 1, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did MPC file its most recent 10-K annual report?

Marathon Petroleum (MPC) filed its most recent 10-K annual report on February 26, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view MPC 10-Q quarterly reports?

Marathon Petroleum (MPC)'s most recent 10-Q quarterly report was filed on November 4, 2025. SignalX displays every MPC 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has MPC filed recently?

Marathon Petroleum (MPC)'s most recent 8-K was filed on May 1, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find MPC insider trading activity (Form 4)?

SignalX aggregates every MPC Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does MPC file with the SEC?

Marathon Petroleum (MPC) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new MPC filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Marathon Petroleum (MPC).

What is MPC's SEC CIK number?

Marathon Petroleum (MPC)'s SEC CIK (Central Index Key) number is 1510295. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1510295 to look up all MPC filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find MPC return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Marathon Petroleum (MPC) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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