---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-079725"
form_type: "8-K"
ticker: "CME"
cik: "0001156375"
company_name: "CME GROUP INC."
filed_at: "2025-04-14T23:59:59+00:00"
generated_at: "2026-05-23T15:20:38.475655+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CME Group and S&P Global sell OSTTRA joint venture to KKR for $3.1B

## Summary
- Total enterprise value of $3.1 billion; proceeds split 50/50 between CME and S&P Global.
- Transaction expected to close in second half of 2025, subject to regulatory approvals.
- OSTTRA co-CEOs Guy Rowcliffe and John Stewart to remain in their current roles.
- KKR to support OSTTRA with increased technology investments and an employee equity program.
- OSTTRA, established in 2021, provides post-trade solutions for OTC markets including interest rates, FX, credit, and equities.

## SEC filing metadata
- accession: 0001193125-25-079725
- form_type: 8-K
- ticker: CME
- cik: 0001156375
- company_name: CME GROUP INC.
- filed_at: 2025-04-14T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1156375/000119312525079725/0001193125-25-079725-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1156375/000119312525079725/d857621d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-079725
- JSON: https://secwatch.observer/filing/0001193125-25-079725.json
- Plain text: https://secwatch.observer/filing/0001193125-25-079725.txt

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