---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-23-000076"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2023-10-31T23:59:59+00:00"
generated_at: "2026-06-09T04:36:03.236771+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MPC Q3 net income $3.3B ($8.28/diluted); raises dividend 10%; adds $5B buyback

## Summary
- Net income $3.3B, $8.28/diluted; adjusted $3.2B, $8.14/adjusted diluted.
- Adjusted EBITDA $5.7B; net cash from operations $5.0B.
- Returned $3.1B to shareholders: $2.8B buybacks, $297M dividends.
- Dividend raised 10% to $0.825/share; Board approved $5B additional buyback authorization.
- R&M segment adjusted EBITDA $4.4B vs $5.5B YoY on lower crack spreads; Midstream flat at $1.5B.

## SEC filing metadata
- accession: 0001510295-23-000076
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2023-10-31T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000076/0001510295-23-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000076/mpc-20231031.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-23-000076
- JSON: https://secwatch.observer/filing/0001510295-23-000076.json
- Plain text: https://secwatch.observer/filing/0001510295-23-000076.txt

## Key facts
- Earnings Releases
  Marathon Petroleum Corp reported Q3 2023 results: net income $3.3 billion, EPS $8.28.
  - Period: Q3 2023
  - Net income: $3.3 billion
  - EPS: $8.28
  - Result: reported results
  source text: Marathon Petroleum Corp. (NYSE: MPC) today reported net income attributable to MPC of $3.3 billion, or $8.28 per diluted share, for the third quarter of 2023, compared with net income attributable to MPC of $4.5 billion, or $9.06 per diluted share, for the third quarter of 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029523000076/0001510295-23-000076-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.