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AI brief of an SEC Form 8-K · Marathon Petroleum (MPC)

Marathon Petroleum posts Q1 profit of $511 million; adds $5 billion buyback

Positive Impact 4 of 5 earnings Written later

Marathon Petroleum reported first-quarter 2026 net income attributable to MPC of $511 million, or $1.73 per diluted share, compared with a net loss of $(74) million, or $(0.24) per share, a year earlier. The Board also approved an incremental $5 billion share repurchase authorization, which would bring the total available to $8.6 billion as of March 31, 2026, if added to the $3.6 billion already available.

Key points

  • Net income attributable to MPC was $511 million ($1.73 per diluted share), versus a net loss of $(74) million in Q1 2025; adjusted net income was $487 million ($1.65 per diluted share)
  • Adjusted EBITDA was $2.8 billion, versus $2.0 billion in Q1 2025; cash from operating activities was $1.1 billion, versus $(64) million
  • The company returned over $1.0 billion to shareholders in the quarter and had $2.2 billion of cash and cash equivalents as of March 31, 2026
  • Refining & Marketing segment adjusted EBITDA was $1.4 billion, versus $489 million, while Midstream adjusted EBITDA fell to $1.6 billion from $1.7 billion

The filing

CompanyMarathon Petroleum (MPC)
Form8-K, current report
Filed with the SECMay 5, 2026, 6:48 AM ET
Accession number0001510295-26-000039

Items reported: 2.02 Results of Operations

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:21 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on May 05, 2026.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.