Quanterix Corp

For the period ended Sep 30, 2026. Filed Nov 9, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 9, 2026

QTRX$3.38+16.8%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits

Contents

Cover page Table of Contents

PART I — FINANCIAL INFORMATION

Item 1. Financial Statements (Unaudited)

Consolidated Balance Sheets Consolidated Statements of Operations Consolidated Statements of Comprehensive Loss Consolidated Statements of Cash Flows Notes to Consolidated Financial Statements Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations Item 3. Quantitative and Qualitative Disclosures About Market Risk Item 4. Controls and Procedures

PART II — OTHER INFORMATION

Item 1. Legal Proceedings Item 1A. Risk Factors

Item 2. Unregistered Sales of Equity Securities, Use of Proceeds, and Issuer Purchases of Equity Securities (no text here)

Item 3. Defaults Upon Senior Securities (no text here)

Item 4. Mine Safety Disclosures (no text here)

Item 5. Other Information Item 6. Exhibits Signatures

Item 6. Exhibits

Exhibit Number	Exhibit Description	FiledHerewith	Incorporated byReference herein from Form or Schedule	Filing Date	SEC File/Reg.Number
3.1	Amended and Restated Certificate of Incorporation.		8-K	10/02/2025	001-38319
3.2	Restated Bylaws.		8-K	10/02/2025	001-38319
10.1+	Amended and Restated Quanterix Corporation Non-Employee Director Compensation Policy		10-Q	05/06/2026	001-38319
10.2+	Amended and Restated 2025 Inducement Plan.		S-8	09/11/2026	333-298863
18.1	Preferability Letter of KPMG LLP Regarding Change in Accounting Principle		10-Q	05/06/2026	001-38319
31.1	Certification of the Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	X
31.2	Certification of the Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.	X
32.1	Certifications of the Principal Executive Officer and Principal Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.	X
101.INS	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.	X
101.SCH	XBRL Taxonomy Extension Schema Document.	X
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document.	X
101.DEF	XBRL Taxonomy Extension Definition.	X
101.LAB	XBRL Taxonomy Extension Label Linkbase Document.	X
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document.	X
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).	X

Certain exhibits and schedules have been omitted pursuant to Item 601(b)(2) of Regulation S-K. The Registrant hereby undertakes to furnish supplemental copies of any of the omitted exhibits and schedules upon request by the SEC; provided, however, that the Registrant may request confidential treatment pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended, for any exhibits or schedules so furnished.

Management contract or compensatory plan or arrangement.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.