Quanterix Corp (QTRX) — SEC Filings

Quanterix Corp (QTRX) — 50 SEC filings. Latest: ARS (Apr 24, 2026). Includes 28 8-K, 5 10-Q, 4 SC 13G/A.

View Quanterix Corp on SEC EDGAR

Overview

Quanterix Corp (QTRX) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 4 filed on Apr 7, 2026: On April 7, 2026, William P. Donnelly filed a Form 4 with the SEC, reporting changes in beneficial ownership of Quanterix Corp securities. The filing details transactions that occurred on April 1, 2026. Specific details regarding the nature of the transactions and the number of shares involved are n

Sentiment Summary

Across 50 filings, the sentiment breakdown is: 2 bullish, 3 bearish, 44 neutral, 1 mixed. The dominant filing sentiment for Quanterix Corp is neutral.

Filing Type Overview

Quanterix Corp (QTRX) has filed 1 4, 1 ARS, 28 8-K, 5 10-Q, 1 DEFA14A, 2 8-K/A, 2 DEF 14A, 2 10-K/A, 2 10-K, 4 SC 13G/A, 2 SC 13G with the SEC between Jan 2024 to Apr 2026.

Filings by Year

2026 · 2025 · 2024

Recent SEC Filings (50)

Quanterix Corp SEC Filing History
DateFormDescriptionRisk
Apr 24, 2026ARSARS Filing
Apr 7, 20264Quanterix Corp (QRX) Form 4 Filinglow
Nov 20, 20258-KQuanterix Files 8-K on Officer Changes and Filingsmedium
Nov 10, 202510-QQuanterix Q3 Loss Widens on Soaring Costs, Akoya Acquisition Impacthigh
Oct 2, 20258-KQuanterix Corp Files 8-K on Security Holder Votes & Financialslow
Sep 24, 2025DEFA14AQuanterix Corp Files Definitive Proxy Statementlow
Sep 23, 20258-K/AQuanterix Corp Files 8-K/A Amendmentlow
Aug 25, 2025DEF 14AQuanterix Seeks Governance Overhaul, Board Declassificationlow
Aug 7, 202510-QQuanterix Q2 Revenue Jumps 13% on Strong Product Sales, Emission Inc. Acquisitionmedium
Aug 4, 20258-KQuanterix Corp Files 8-K: Material Agreement Detailsmedium
Jul 24, 20258-KQuanterix Corp. Files 8-K on Exit/Disposal Activitiesmedium
Jul 18, 20258-KQuanterix Reports Exit/Disposal Costsmedium
Jul 8, 20258-KQuanterix Corp. Announces Executive Changes and Asset Dealmedium
Jul 1, 20258-KQuanterix Corp. Files 8-K on Shareholder Nominationsmedium
May 14, 20258-KQuanterix Appoints PricewaterhouseCoopers as New Auditorlow
May 12, 202510-QQuanterix Corp. 10-Q: Emission Inc. Mentionedmedium
Apr 30, 202510-K/AQuanterix Files 10-K Amendment for Part III Infolow
Apr 29, 20258-K8-K Filing
Apr 4, 20258-KQuanterix Corp. Files 8-K for Material Definitive Agreementmedium
Mar 28, 20258-KQuanterix Corp Announces Board and Executive Changesmedium

Risk Profile

Risk Assessment: Of QTRX's 40 recent filings, 3 were flagged as high-risk, 16 as medium-risk, and 21 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Quanterix Corp Financial Summary (10-Q, Nov 10, 2025)
MetricValue
Revenue$40.233M
Net Income-$33.517M
EPSN/A
Debt-to-Equity0.41
Cash Position$38.298M
Operating Margin-135.5%
Total Assets$444.140M
Total Debt$53.500M

Key Executives

  • William P. Donnelly
  • Masoud Toloue, Ph.D.
  • Laurie A. Churchill
  • Myla Lai-Goldman, M.D.
  • David R. Walt, Ph.D.
  • David Bruce
  • Michael O'Brien
  • David E. Epstein
  • David L. Herr
  • Dr. Sarah Michaels
  • Dr. Sarah Johnson
  • Dr. Paul J. Provost

Industry Context

Quanterix operates in the rapidly evolving life sciences tools and diagnostics market, characterized by intense competition and a strong emphasis on technological innovation. The industry is seeing a growing demand for ultra-sensitive biomarker detection and spatial biology solutions to accelerate drug discovery, clinical research, and diagnostics. Companies are increasingly focused on expanding their platforms through acquisitions to offer comprehensive solutions.

Top Tags

corporate-governance (6) · financials (6) · amendment (5) · filing (5) · governance (4) · 10-Q (4) · 8-K (4) · 10-K (4) · Biotechnology (3) · sec-filing (3)

Key Numbers

Quanterix Corp Key Metrics
MetricValueContext
Net Loss (Q3 2025)$33.517MIncreased from $8.353M in Q3 2024
Net Loss (YTD Sep 2025)$84.033MIncreased from $26.903M in YTD Sep 2024
Total Revenues (Q3 2025)$40.233MIncreased from $35.813M in Q3 2024
Product Revenue (Q3 2025)$26.151MIncreased from $19.694M in Q3 2024
Total Operating Expenses (Q3 2025)$54.531MIncreased from $31.901M in Q3 2024
Impairment and Restructuring Costs (Q3 2025)$7.174MNew cost, zero in Q3 2024
Selling, General and Administrative Expenses (Q3 2025)$39.062MIncreased from $22.908M in Q3 2024
Acquisitions, net of cash acquired (YTD Sep 2025)$93.229MSignificant cash outflow for acquisitions, including Akoya
Cash and Cash Equivalents (Sep 30, 2025)$38.298MDecreased from $56.709M at Dec 31, 2024
Intangible Assets, net (Sep 30, 2025)$135.148MIncreased significantly from $4.031M at Dec 31, 2024, due to acquisitions
SEC File Number001-38319Identifies the company's filing history with the SEC.
IRS Employer Identification No.20-8957988Company's tax identification number.
Annual Meeting DateSeptember 23, 2025Date stockholders will vote on proposals
Annual Meeting Time9:00 a.m. ETStart time for the virtual meeting
Record DateJuly 31, 2025Date for determining voting eligibility

Related Companies

QRX · AKYA · TMO

Frequently Asked Questions

What are the latest SEC filings for Quanterix Corp (QTRX)?

Quanterix Corp has 50 recent SEC filings from Jan 2024 to Apr 2026, including 28 8-K, 5 10-Q, 4 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of QTRX filings?

Across 50 filings, the sentiment breakdown is: 2 bullish, 3 bearish, 44 neutral, 1 mixed. The dominant sentiment is neutral.

Where can I find Quanterix Corp SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Quanterix Corp (QTRX) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Quanterix Corp?

Key financial highlights from Quanterix Corp's most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for QTRX?

The investment thesis for QTRX includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Quanterix Corp?

Key executives identified across Quanterix Corp's filings include William P. Donnelly, Masoud Toloue, Ph.D., Laurie A. Churchill, Myla Lai-Goldman, M.D., David R. Walt, Ph.D. and 7 others.

What are the main risk factors for Quanterix Corp stock?

Of QTRX's 40 assessed filings, 3 were flagged high-risk, 16 medium-risk, and 21 low-risk.

What are recent predictions and forward guidance from Quanterix Corp?

Forward guidance and predictions for Quanterix Corp are extracted from SEC filings as they are enriched.

View on ReadTheFiling | About | Contact | Privacy | Terms

Data from SEC EDGAR. Not affiliated with the SEC. Not investment advice. © 2026 OpenDataHQ.