---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-088076"
form_type: "8-K"
ticker: "MKTX"
cik: "0001278021"
company_name: "MARKETAXESS HOLDINGS INC"
filed_at: "2023-03-31T23:59:59+00:00"
generated_at: "2026-06-17T07:38:48.494972+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# MarketAxess amends credit agreement to replace LIBOR with SOFR

## Summary
- First Amendment effective March 28, 2023, replaces LIBOR with SOFR-based interest rate benchmarks.
- Revolving loans will bear interest at Term SOFR plus 0.10% plus applicable rate (1.25%-1.75%) or alternate base rate plus spread (0.25%-0.75%).
- No change to total commitments, financial covenants, or other material terms of the credit agreement.
- All lenders consented; no defaults occurred or resulted from the amendment.

## SEC filing metadata
- accession: 0001193125-23-088076
- form_type: 8-K
- ticker: MKTX
- cik: 0001278021
- company_name: MARKETAXESS HOLDINGS INC
- filed_at: 2023-03-31T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1278021/000119312523088076/0001193125-23-088076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1278021/000119312523088076/d461128d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-088076
- JSON: https://secwatch.observer/filing/0001193125-23-088076.json
- Plain text: https://secwatch.observer/filing/0001193125-23-088076.txt

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