---
schema_version: "secwatch.filing_event.v1"
accession: "0001510295-26-000039"
form_type: "8-K"
ticker: "MPC"
cik: "0001510295"
company_name: "Marathon Petroleum Corp"
filed_at: "2026-05-05T23:59:59+00:00"
generated_at: "2026-05-14T23:20:44.552438+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# MPC Q1 net income $511M ($1.73/sh) vs loss year ago; Board adds $5B buyback

## Summary
- Net income $511M ($1.73/diluted EPS) vs net loss $(74M) ($(0.24)/sh) in Q1 2025; adjusted net income $487M ($1.65/sh).
- Adjusted EBITDA $2.8B vs $2.0B; R&M segment EBITDA $1.4B ($5.37/barrel) vs $489M; crude throughput 2.9M bpd at 89% utilization.
- Returned over $1.0B to shareholders; Board approved incremental $5B share repurchase authorization; $8.6B total available.
- MPLX Permian growth strategy expected to support 12.5% annual distribution growth to MPC in 2026-27.
- Capital projects progressing: Garyville jet online, El Paso FCC upgrade target 2Q26, Robinson jet target 3Q26.

## SEC filing metadata
- accession: 0001510295-26-000039
- form_type: 8-K
- ticker: MPC
- cik: 0001510295
- company_name: Marathon Petroleum Corp
- filed_at: 2026-05-05T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1510295/000151029526000039/0001510295-26-000039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000039/mpc-20260505.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001510295-26-000039
- JSON: https://secwatch.observer/filing/0001510295-26-000039.json
- Plain text: https://secwatch.observer/filing/0001510295-26-000039.txt

## Source-grounded claims
- claim_id: 45df8801e1e225b5f80fc88fda93eb871e16fe99
  claim: Marathon Petroleum Corp reported first quarter of 2026 results: net income $511 million, EPS $1.73 per diluted share.
  evidence_excerpt: expressly stated in such a filing. --- EX-99.1 (EX-99.1) --- Marathon Petroleum Corp. Reports First-Quarter 2026 Results • First-quarter net income attributable to MPC of $511 million, or $1.73 per diluted share, adjusted net income of $487 million, or $1.65 per diluted share • Cash from operations of $1.1 billion, reflecting safe and reliable performance
  evidence_url: https://www.sec.gov/Archives/edgar/data/1510295/000151029526000039/0001510295-26-000039-index.htm

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