---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-048120"
form_type: "8-K"
ticker: "VIRT"
cik: "0001592386"
company_name: "Virtu Financial, Inc."
filed_at: "2023-04-21T23:59:59+00:00"
generated_at: "2026-06-16T21:21:10.405417+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Virtu Financial Chairman Robert Greifeld resigns; Michael T. Viola appointed successor

## Summary
- Robert Greifeld resigned as Chairman and Board member effective April 19, 2023, to pursue investment management and philanthropy.
- Michael T. Viola, board member since 2016, appointed Chairman; Board now has ten directors.
- Greifeld's departure is not due to any disagreement with the Board or management.
- Mr. Viola also serves as President of the Viola family private investment office and on other boards.

## SEC filing metadata
- accession: 0001104659-23-048120
- form_type: 8-K
- ticker: VIRT
- cik: 0001592386
- company_name: Virtu Financial, Inc.
- filed_at: 2023-04-21T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1592386/000110465923048120/0001104659-23-048120-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1592386/000110465923048120/tm2313027d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-048120
- JSON: https://secwatch.observer/filing/0001104659-23-048120.json
- Plain text: https://secwatch.observer/filing/0001104659-23-048120.txt

## Key facts
- Executive change
  Michael T. Viola was appointed as Chairman at Virtu Financial, Inc..
  - Action: appointed
  - Role: Chairman
  source text: the Board appointed current director Mr. Michael T. Viola to serve as Chairman
  evidence_url: https://www.sec.gov/Archives/edgar/data/1592386/000110465923048120/0001104659-23-048120-index.htm
- Executive change
  Robert Greifeld resigned as Chairman at Virtu Financial, Inc..
  - Action: resigned
  - Role: Chairman
  source text: On April 19, 2023, Robert Greifeld resigned as Chairman and member of the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1592386/000110465923048120/0001104659-23-048120-index.htm

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