---
schema_version: "secwatch.filing_event.v1"
accession: "0001503274-26-000024"
form_type: "8-K"
ticker: "QTRX"
cik: "0001503274"
company_name: "Quanterix Corp"
filed_at: "2026-05-26T21:25:36+00:00"
generated_at: "2026-05-26T21:28:38.124662+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Quanterix appoints Anthony Catalano as COO; Michael Miller transitions to CTO/Products Officer

## Summary
- Catalano appointed COO effective May 14, 2026; previously SVP at Flagship Pioneering and Akoya.
- Catalano receives $400k base salary, $50k sign-on bonus, and annual bonus target of 50% of salary.
- Catalano awarded RSUs equal to 0.30% of outstanding shares, vesting quarterly over 4 years.
- Former COO Michael Miller transitions to new role as Chief Technology and Products Officer.
- Severance for Catalano: 6 months base salary (12 months with Change-in-Control), plus pro-rated bonus and COBRA.

## SEC filing metadata
- accession: 0001503274-26-000024
- form_type: 8-K
- ticker: QTRX
- cik: 0001503274
- company_name: Quanterix Corp
- filed_at: 2026-05-26T21:25:36+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000024/0001503274-26-000024-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000024/qtrx-20260514.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001503274-26-000024
- JSON: https://secwatch.observer/filing/0001503274-26-000024.json
- Plain text: https://secwatch.observer/filing/0001503274-26-000024.txt

## Source-grounded claims
- claim_id: 09b5c4d09f
  claim: Anthony Catalano was appointed as Chief Operating Officer at Quanterix Corp.
  evidence_excerpt: On May 14, 2026, Anthony Catalano was appointed as the Chief Operating Officer of Quanterix Corporation (the “Company”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000024/0001503274-26-000024-index.htm
- claim_id: aa634d7aa2
  claim: Michael Miller changed role as Chief Technology and Products Officer at Quanterix Corp.
  evidence_excerpt: Michael Miller, formerly the Chief Operating Officer of the Company, has transitioned to a new role as the Chief Technology and Products Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1503274/000150327426000024/0001503274-26-000024-index.htm

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