---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-24-049932"
form_type: "8-K"
ticker: "CBOE"
cik: "0001374310"
company_name: "Cboe Global Markets, Inc."
filed_at: "2024-12-04T23:59:59+00:00"
generated_at: "2026-05-29T08:29:56.448851+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Cboe Global adopts amended bylaws raising special meeting threshold to 25%

## Summary
- Special meetings now require ownership of at least 25% of outstanding common stock.
- Added procedural and disclosure requirements for stockholder special meeting requests.
- Modified stockholder nomination and proposal procedures, aligning with Delaware law and universal proxy rules.
- Lead director authorized to call special board meetings; other ministerial changes.
- Bylaws effective November 29, 2024.

## SEC filing metadata
- accession: 0001628280-24-049932
- form_type: 8-K
- ticker: CBOE
- cik: 0001374310
- company_name: Cboe Global Markets, Inc.
- filed_at: 2024-12-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1374310/000162828024049932/0001628280-24-049932-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1374310/000162828024049932/cboe-20241129.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-24-049932
- JSON: https://secwatch.observer/filing/0001628280-24-049932.json
- Plain text: https://secwatch.observer/filing/0001628280-24-049932.txt

## Key facts
- Governance Changes
  Cboe Global Markets, Inc.: Amended bylaws to modify special meeting threshold, add procedural requirements for stockholder nominations and proposals, and address universal proxy rules (effective 2024-11-29).
  - Change: bylaw amendment
  - Effective: 2024-11-29
  source text: On November 29, 2024, the Eighth Amended and Restated Bylaws (the “ Bylaws ”) of Cboe Global Markets, Inc. (the “ C ompany ”) became effective, following approval by the Company’s Board of Directors (the “ Board ”) and filing with the United States Securities and Exchange Commission.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000162828024049932/0001628280-24-049932-index.htm

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