---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-065814"
form_type: "8-K"
ticker: "COP"
cik: "0001163165"
company_name: "CONOCOPHILLIPS"
filed_at: "2024-05-29T23:59:59+00:00"
generated_at: "2026-06-01T07:36:40.070982+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# ConocoPhillips acquires Marathon Oil in all-stock merger; 0.255 COP shares per MRO share

## Summary
- Each Marathon share to be exchanged for 0.255 ConocoPhillips shares in all-stock merger.
- Marathon must pay $557M termination fee for superior proposal; $86M if shareholders reject.
- Closing expected by May 28, 2025, subject to HSR, other regulatory approvals, and Marathon vote.
- ConocoPhillips to file Form S-4; Marathon stockholders must approve the deal.

## SEC filing metadata
- accession: 0001104659-24-065814
- form_type: 8-K
- ticker: COP
- cik: 0001163165
- company_name: CONOCOPHILLIPS
- filed_at: 2024-05-29T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1163165/000110465924065814/0001104659-24-065814-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1163165/000110465924065814/tm2415645d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-065814
- JSON: https://secwatch.observer/filing/0001104659-24-065814.json
- Plain text: https://secwatch.observer/filing/0001104659-24-065814.txt

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