---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-246132"
form_type: "8-K"
ticker: "MKTX"
cik: "0001278021"
company_name: "MARKETAXESS HOLDINGS INC"
filed_at: "2021-08-13T23:59:59+00:00"
generated_at: "2026-06-29T11:03:46.405611+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# MarketAxess (MKTX) grants enhanced severance protection to executive Gerosa

## Summary
- Severance protection agreement with Christopher N. Gerosa approved; initial 5-year term renews automatically.
- Pre-change-in-control severance: 1x base salary plus avg bonus, paid over 12 months; post-CIC: 1.5x lump sum.
- Equity vesting continues for 12 months (pre-CIC) or vests immediately (post-CIC) on qualifying termination.
- COBRA premium coverage for 12 months (pre-CIC) or 18 months (post-CIC); death/disability triggers 0.5x severance.
- Agreement conditioned on signing release and non-compete; indemnification and D&O coverage provided.

## SEC filing metadata
- accession: 0001193125-21-246132
- form_type: 8-K
- ticker: MKTX
- cik: 0001278021
- company_name: MARKETAXESS HOLDINGS INC
- filed_at: 2021-08-13T23:59:59+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/1278021/000119312521246132/0001193125-21-246132-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1278021/000119312521246132/d171710d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-246132
- JSON: https://secwatch.observer/filing/0001193125-21-246132.json
- Plain text: https://secwatch.observer/filing/0001193125-21-246132.txt

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