---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-012659"
form_type: "8-K"
ticker: "CBOE"
cik: "0001374310"
company_name: "Cboe Global Markets, Inc."
filed_at: "2024-02-09T23:59:59+00:00"
generated_at: "2026-06-06T04:45:04.743066+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Cboe Global Markets adds two directors, appoints new CAO; director Ratterman resigns

## Summary
- Joseph P. Ratterman resigned from board effective Feb 5, 2024; no disagreement with company.
- Erin A. Mansfield (ex-Barclays) and Cecilia H. Mao (Equifax) elected to board effective Feb 8; board size increased to 12.
- Allen Wilkinson appointed SVP, Chief Accounting Officer effective Feb 8, replacing Jill Griebenow who remains CFO.
- Wilkinson's initial compensation: $310K base salary, $170.5K target bonus, $150K equity award.

## SEC filing metadata
- accession: 0001104659-24-012659
- form_type: 8-K
- ticker: CBOE
- cik: 0001374310
- company_name: Cboe Global Markets, Inc.
- filed_at: 2024-02-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/0001104659-24-012659-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/tm245567d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-012659
- JSON: https://secwatch.observer/filing/0001104659-24-012659.json
- Plain text: https://secwatch.observer/filing/0001104659-24-012659.txt

## Key facts
- Executive change
  Cecilia H. Mao was elected as Director at Cboe Global Markets, Inc..
  - Action: elected
  - Role: Director
  source text: On February 8, 2024, the Board of Directors (the “Board”) of the Company elected Erin A. Mansfield and Cecilia H. Mao, effective immediately, and increased the Board size to 12 directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/0001104659-24-012659-index.htm
- Executive change
  Erin A. Mansfield was elected as Director at Cboe Global Markets, Inc..
  - Action: elected
  - Role: Director
  source text: On February 8, 2024, the Board of Directors (the “Board”) of the Company elected Erin A. Mansfield and Cecilia H. Mao, effective immediately, and increased the Board size to 12 directors.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/0001104659-24-012659-index.htm
- Executive change
  Allen Wilkinson was appointed as Senior Vice President, Chief Accounting Officer at Cboe Global Markets, Inc..
  - Action: appointed
  - Role: Senior Vice President, Chief Accounting Officer
  source text: Effective February 8, 2024, Allen Wilkinson was appointed Senior Vice President, Chief Accounting Officer of the Company, in replacement of Jill Griebenow, who resigned from such role in connection with Mr. Wilkinson’s appointment.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/0001104659-24-012659-index.htm
- Executive change
  Joseph P. Ratterman resigned as Director at Cboe Global Markets, Inc..
  - Action: resigned
  - Role: Director
  source text: On February 5, 2024, Joseph P. Ratterman notified Cboe Global Markets, Inc. (the “Company”) that he resigned as a member of the Company’s board of directors effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/0001104659-24-012659-index.htm
- Executive change
  Jill Griebenow resigned as Chief Accounting Officer at Cboe Global Markets, Inc..
  - Action: resigned
  - Role: Chief Accounting Officer
  source text: Effective February 8, 2024, Allen Wilkinson was appointed Senior Vice President, Chief Accounting Officer of the Company, in replacement of Jill Griebenow, who resigned from such role in connection with Mr. Wilkinson’s appointment.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465924012659/0001104659-24-012659-index.htm

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