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What Marathon Petroleum's latest 10-Q says: 9 signals

Marathon Petroleum filed its latest 10-Q with the SEC on Aug 4, 2026. It discusses automation investment, board change and capacity constraint.

Public (MPC)Oil and Gas10,000+ employeesmarathonpetroleum.comLinkedIn

Filed
Aug 4, 2026
Filings
2
Signals
15

10-Q · latest 10

What Marathon Petroleum's 10-Q filings say

  1. 10-Q

    Filed · 9 signals

    SEC EDGAR

  2. 10-Q

    Filed · 6 signals

    SEC EDGAR

Showing 10 of 15 filing signals. The Signal API returns all of them.

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Earnings calls

Marathon Petroleum earnings headlines

From earnings call transcripts (Signal API type earnings-transcripts).

Earnings call headlines
Call dateWhat the company said
Refinery equipment downtime significantly impacted system-wide performanceThe Galveston Bay refinery's resid hydrocracker (RHU) was down, creating a nearly 2% headwind to the company's entire system capture rate. This highlights a critical operational pain point where reliability failures have a direct, measurable financial impact, suggesting a need for predictive maintenance and asset performance management solutions.
Inventory management issues caused a 3-5% drag on performance captureExecutives confirmed that inventory builds and changes, including for butane and VGO, had a significant negative impact on the key 'capture' metric, costing 3-5% in the quarter. This points to a pain point in inventory planning and optimization within the supply chain, creating an opportunity for solutions that improve forecasting and inventory management.
Investing in projects to drive reliability, yields, and margin capture.Management is actively funding projects focused on operational and commercial improvements. This creates opportunities for vendors offering solutions in reliability, process optimization, and margin enhancement.
Subsidiary MPLX made multiple acquisitions to fuel growth.MPLX, a key source of cash flow for MPC, is actively growing through acquisition, including a sour gas treating business and a pipeline interest. This signals a focus on strategic growth in the midstream segment, which may require integration and optimization services.
Projecting $420M in Q4 turnaround expense, focused on West Coast.The company has a significant, specific budget allocated for refinery turnaround activities in Q4. This presents opportunities for vendors specializing in maintenance, safety, and project management for large-scale industrial turnarounds.
Higher feedstock costs compressing renewable diesel marginsThe renewable diesel segment experienced weaker margins because rising feedstock costs outpaced gains from diesel prices and RIN values. This highlights a significant cost pressure and a need for solutions related to feedstock procurement, optimization, and cost management.

Signal API · MCP

Track Marathon Petroleum with the Signal API

One POST /v1/companies/enrich call with marathonpetroleum.com returns Marathon Petroleum 10-Q signals (sec-10q), each with its source. Or ask Claude through MCP.

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2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"marathonpetroleum.com","signal_types":["sec-10q"],"limit":20}'

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Questions about Marathon Petroleum 10-Q

When did Marathon Petroleum file its latest 10-Q?
Marathon Petroleum filed its latest 10-Q on Aug 4, 2026. The one before it was filed on May 5, 2026.
What did Marathon Petroleum disclose in its latest 10-Q?
From the filing dated Aug 4, 2026: MPLX boosts 2026 capital spending by $500M to $2.9B to expand Gulf Coast facilities.
What did Marathon Petroleum say on its recent earnings calls?
Q3 FY2025: Refinery equipment downtime significantly impacted system-wide performance (dated Nov 4, 2025).
Where can I read Marathon Petroleum's 10-Q filing?
The full filing is on SEC EDGAR: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000061/mpc-20260630.htm. This page summarizes what the filing says and links to it.

Source. Quarterly reports (Form 10-Q) filed with the SEC. Every card links to the filing on EDGAR.

Method. Insights are extracted from the filing text and grouped by category. Numbers are quoted from the filing.

Data as of .

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