---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-041773"
form_type: "8-K"
ticker: "QTRX"
cik: "0001503274"
company_name: "Quanterix Corp"
filed_at: "2026-06-09T12:06:33+00:00"
generated_at: "2026-06-09T12:11:01.197547+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Quanterix appoints Jason Faessler as CFO effective June 22, 2026

## Summary
- Faessler previously served as SVP of Finance at Bruker Corporation, leading global FP&A and Americas finance.
- Employment agreement provides $475,000 base salary, $200,000 cash sign-on, and annual bonus target of 50% of base.
- Equity award of 0.30% of outstanding shares in RSUs vesting in four equal annual installments.
- Severance includes 12 months base salary, pro-rated target bonus, and subsidized health benefits; full vesting upon change-in-control termination.
- No family relationships or material transactions with the company per Item 404(a) disclosure.

## SEC filing metadata
- accession: 0001628280-26-041773
- form_type: 8-K
- ticker: QTRX
- cik: 0001503274
- company_name: Quanterix Corp
- filed_at: 2026-06-09T12:06:33+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1503274/000162828026041773/0001628280-26-041773-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1503274/000162828026041773/qtrx-20260609.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-041773
- JSON: https://secwatch.observer/filing/0001628280-26-041773.json
- Plain text: https://secwatch.observer/filing/0001628280-26-041773.txt

## Key facts
- Executive change
  Jason Faessler was appointed as Chief Financial Officer and Treasurer at Quanterix Corp.
  - Action: appointed
  - Role: Chief Financial Officer and Treasurer
  source text: The Board of Directors of Quanterix Corporation (the "Company") has appointed Jason Faessler as the Chief Financial Officer and Treasurer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1503274/000162828026041773/0001628280-26-041773-index.htm

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