---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-055003"
form_type: "8-K"
ticker: "MKTX"
cik: "0001278021"
company_name: "MARKETAXESS HOLDINGS INC"
filed_at: "2026-02-17T23:59:59+00:00"
generated_at: "2026-05-16T02:21:20.057589+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# MarketAxess CIO Naineshkumar Panchal to depart April 1; new CTO identified

## Summary
- Naineshkumar Panchal's service as CIO will end effective April 1, 2026.
- Separation treated as termination without cause; severance per March 2022 agreement.
- Company has identified a new Chief Technology Officer; announcement expected later in Q1 2026.
- Panchal will receive severance payments and benefits subject to a general release of claims.

## SEC filing metadata
- accession: 0001193125-26-055003
- form_type: 8-K
- ticker: MKTX
- cik: 0001278021
- company_name: MARKETAXESS HOLDINGS INC
- filed_at: 2026-02-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1278021/000119312526055003/0001193125-26-055003-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1278021/000119312526055003/mktx-20260216.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-055003
- JSON: https://secwatch.observer/filing/0001193125-26-055003.json
- Plain text: https://secwatch.observer/filing/0001193125-26-055003.txt

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