---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-25-082343"
form_type: "8-K"
ticker: "MKTX"
cik: "0001278021"
company_name: "MARKETAXESS HOLDINGS INC"
filed_at: "2025-06-05T23:59:59+00:00"
generated_at: "2026-05-19T19:45:41.316261+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# MarketAxess appoints Nitin Mirwani as CAO; annual meeting re-elects directors, approves say-on-pay

## Summary
- Nitin Mirwani named Chief Accounting Officer, effective June 23, 2025; succeeds interim CAO Michael Cianciulli who remains Head of External Reporting & Compensation Accounting.
- Mirwani, 46, previously Global Controller at CBRE Investment Management (2025), Bumble Inc. (2023-2024), and VP at PGIM (2015-2023); CPA, MBA from Baruch.
- Annual meeting quorum 32,834,447 shares (88.3%); all 11 director nominees elected with strong support (e.g., Hernandez 31.2M for, 480k against).
- Say-on-pay passed (30,971,737 for, 663,598 against); ratification of PwC as auditor also approved (31,650,192 for).
- Stockholder proposal to remove one-year holding period for special meeting defeated (5.86M for, 25.78M against).

## SEC filing metadata
- accession: 0000950170-25-082343
- form_type: 8-K
- ticker: MKTX
- cik: 0001278021
- company_name: MARKETAXESS HOLDINGS INC
- filed_at: 2025-06-05T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 5.07
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1278021/000095017025082343/0000950170-25-082343-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1278021/000095017025082343/mktx-20250602.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-25-082343
- JSON: https://secwatch.observer/filing/0000950170-25-082343.json
- Plain text: https://secwatch.observer/filing/0000950170-25-082343.txt

## Key facts
- Executive change
  Nitin A. Mirwani was appointed as Chief Accounting Officer at MARKETAXESS HOLDINGS INC.
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: On June 2, 2025, MarketAxess Holdings Inc. (the “Company”) appointed Nitin A. Mirwani as its Chief Accounting Officer, effective upon his start date with the Company, which is expected to be June 23, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1278021/000095017025082343/0000950170-25-082343-index.htm
- Executive change
  Michael R. Cianciulli departed as Interim Chief Accounting Officer at MARKETAXESS HOLDINGS INC.
  - Action: ceased serving as interim principal accounting officer
  - Role: Interim Chief Accounting Officer
  source text: Michael R. Cianciulli will cease serving as the Company’s interim principal accounting officer as of the Effective Date, but will continue to serve as the Company’s Head of External Reporting & Compensation Accounting.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1278021/000095017025082343/0000950170-25-082343-index.htm

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