---
schema_version: "secwatch.filing_event.v1"
accession: "0001156375-26-000060"
form_type: "8-K"
ticker: "CME"
cik: "0001156375"
company_name: "CME GROUP INC."
filed_at: "2026-09-25T20:08:16+00:00"
generated_at: "2026-10-12T13:22:16.479308+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.12
calibrated_materiality_score: 0.12
confidence: "high"
source: SEC EDGAR
---

# CME Group files certificate eliminating Series G Non-Voting Convertible Preferred Stock with no shares outstanding

## Summary
- CME Group filed a certificate of elimination with Delaware's Secretary of State on September 24, 2026, removing all Series G Non-Voting Convertible Preferred Stock terms from its charter.
- No shares of the Series G Preferred Stock were issued or outstanding at the time the certificate of elimination was filed.
- The certificate of elimination is attached as Exhibit 3.1, and cover page XBRL data is tagged as Exhibit 104.
- The filing is signed by Lynne Fitzpatrick, Senior Managing Director, President and Chief Financial Officer, dated September 25, 2026.

## SEC filing metadata
- accession: 0001156375-26-000060
- form_type: 8-K
- ticker: CME
- cik: 0001156375
- company_name: CME GROUP INC.
- filed_at: 2026-09-25T20:08:16+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.12
- calibrated_materiality_score: 0.12
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1156375/000115637526000060/0001156375-26-000060-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1156375/000115637526000060/cme-20260924.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001156375-26-000060
- JSON: https://secwatch.observer/filing/0001156375-26-000060.json
- Plain text: https://secwatch.observer/filing/0001156375-26-000060.txt

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