---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-101775"
form_type: "8-K"
ticker: "CBOE"
cik: "0001374310"
company_name: "Cboe Global Markets, Inc."
filed_at: "2023-09-19T23:59:59+00:00"
generated_at: "2026-06-10T13:15:56.686007+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CEO Tilly resigns after violating personal relationship policy; Tomczyk named new CEO

## Summary
- Tilly resigned Sept 18, 2023 after board investigation found personal relationships with colleagues in violation of policy.
- Conduct unrelated to strategy, financials, or operations; Tilly receives pro-rata equity treatment per contract.
- Fredric Tomczyk, former TD Ameritrade CEO and board member since 2019, appointed CEO immediately.
- William Farrow III becomes non-executive Chairman, replacing his prior role as lead director.
- Tomczyk compensation: $1M base salary, 165% target bonus, $7.15M RSU vesting over 3 years.

## SEC filing metadata
- accession: 0001104659-23-101775
- form_type: 8-K
- ticker: CBOE
- cik: 0001374310
- company_name: Cboe Global Markets, Inc.
- filed_at: 2023-09-19T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1374310/000110465923101775/0001104659-23-101775-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1374310/000110465923101775/tm2326345d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-101775
- JSON: https://secwatch.observer/filing/0001104659-23-101775.json
- Plain text: https://secwatch.observer/filing/0001104659-23-101775.txt

## Key facts
- Executive change
  Fredric J. Tomczyk was appointed as Chief Executive Officer at Cboe Global Markets, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: the appointment of Fredric J. Tomczyk, an existing director of the Company, as Chief Executive Officer of the Company, effective as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465923101775/0001104659-23-101775-index.htm
- Executive change
  Edward T. Tilly resigned as Chief Executive Officer at Cboe Global Markets, Inc..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: On September 18, 2023, Edward T. Tilly, Chief Executive Officer of Cboe Global Markets, Inc. (the “Company”), resigned and voluntarily terminated his employment with the Company without Good Reason (as defined under his existing employment agreement with the Company), effective as of September 18, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465923101775/0001104659-23-101775-index.htm
- Executive change
  Edward T. Tilly resigned as Director at Cboe Global Markets, Inc..
  - Action: resigned
  - Role: Director
  source text: Mr. Tilly also resigned from the Company’s Board of Directors (the “Board”), effective as of the Effective Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1374310/000110465923101775/0001104659-23-101775-index.htm

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