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Marathon Petroleum10-K: Compliance burden

Los Angeles refinery produces specialized CARB fuels for the California market

Read at SEC EDGAR

What happened

Operating the largest refinery on the West Coast requires adherence to strict California Air Resources Board (CARB) regulations. This creates ongoing compliance costs and a need for precise monitoring and production of cleaner-burning fuels, which can be a significant operational pain point.

Source

SEC EDGARFeb 26, 2026

Annual report (Form 10-K)

Marathon Petroleum 10-K for FY2025

Filing excerpt

Our Los Angeles refinery is the largest refinery on the West Coast and is a major producer of cleaner burning CARB fuels.

sec.gov/Archives/edgar/data/1510295/000151029526000009/mpc-20251231.htmRead the full source

Other signals in this filing (7)

Extracted by Autobound

From the Signal API record
Signal
10-K: Compliance burden

What this signalsFilings often name leadership changes, deals and spending plans.

Period
FY2025
Fiscal year end
12/31
Filed
Feb 26, 2026

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The full record

From the Signal API record

Details

CIK
1510295
Accession number
0001510295-26-000009
Timeframe
Current year
Filing year
2026
Why it matters
GRC tools needed
Signal category
Risk

Topics and mentions

Technologies

  • CARB gasoline
  • CARB diesel fuel

Regions named

  • West Coast
  • California

Extraction

Confidence
High
Relevance
80%
Sentiment
Neutral
Detected
Mar 3, 2026
signal_type
sec-10k
signal_subtype
complianceBurden

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This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
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Show the full JSONThe record on this page and the API request

GET /v1/signals/d8fcf7fc-2cd2-4b9e-ab29-ca16978c9bed returns this record as JSON. POST /v1/companies/enrich returns every signal for marathonpetroleum.com.

{
  "signal_id": "d8fcf7fc-2cd2-4b9e-ab29-ca16978c9bed",
  "signal_type": "sec-10k",
  "signal_subtype": "complianceBurden",
  "detected_at": "2026-03-03T05:54:11.439+00:00",
  "company": {
    "name": "Marathon Petroleum",
    "domain": "marathonpetroleum.com"
  },
  "data": {
    "detail": "Operating the largest refinery on the West Coast requires adherence to strict California Air Resources Board (CARB) regulations. This creates ongoing compliance costs and a need for precise monitoring and production of cleaner-burning fuels, which can be a significant operational pain point.",
    "metrics": {
      "timeframe": "current_year"
    },
    "summary": "Los Angeles refinery produces specialized CARB fuels for the California market",
    "excerpts": "Our Los Angeles refinery is the largest refinery on the West Coast and is a major producer of cleaner burning CARB fuels.",
    "relevance": 0.8,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1510295/000151029526000009/mpc-20251231.htm",
    "filing_date": "2026-02-26",
    "filing_year": 2026,
    "fiscal_year_end": "12/31",
    "sales_relevance": "GRC tools needed",
    "signal_category": "risk",
    "regions_mentioned": [
      "West Coast",
      "California"
    ],
    "technologies_mentioned": [
      "CARB gasoline",
      "CARB diesel fuel"
    ]
  }
}

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