Quanterix Corp SEC filings QTRX
Quanterix Corp has 1,000 filings in SEC EDGAR's recent list, going back to Jun 5, 2018. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 10, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 16, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 16, 2026 | Sep 15, 2026 |
| S-8 | Employee stock plan registration | Sep 11, 2026 | — |
| 4 | Insider transaction | Sep 1, 2026 | Aug 31, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 19, 2026 |
| 3 | Initial insider ownership | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 15, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 10, 2026 | Aug 10, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 6, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 9, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 9, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | Jun 15, 2026 |
| 3 | Initial insider ownership | Jun 22, 2026 | Jun 22, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | May 12, 2026 |
| 3 | Initial insider ownership | Jun 12, 2026 | Feb 23, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 9, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 31, 2026 |
| 8-K |
Current report
Officer or director change
|
May 26, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 12, 2026 | May 11, 2026 |
| DEFA14A | Additional proxy material | May 8, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 7, 2026 | — |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2026 | May 6, 2026 |
| 4 | Insider transaction | May 1, 2026 | Apr 30, 2026 |
| ARS | Annual report to shareholders | Apr 24, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 24, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 3 | Initial insider ownership | Mar 24, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 3 | Initial insider ownership | Mar 17, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 15, 2026 |
| S-8 | Employee stock plan registration | Mar 5, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Feb 6, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 3 | Initial insider ownership | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Jan 20, 2026 | Jan 16, 2026 |
| S-8 | Employee stock plan registration | Jan 15, 2026 | — |
| 4 | Insider transaction | Jan 15, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 15, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 14, 2026 | Jan 2, 2026 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Jan 8, 2026 | Jan 8, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| S-8 | Employee stock plan registration | Dec 22, 2025 | — |
| 4 | Insider transaction | Dec 18, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 18, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 8, 2025 | Nov 20, 2025 |
| 3 | Initial insider ownership | Dec 8, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Nov 30, 2025 |
| 3 | Initial insider ownership | Nov 25, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 15, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 15, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 20, 2025 | Nov 20, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 19, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Oct 31, 2025 |
| 4 | Insider transaction | Oct 17, 2025 | Oct 15, 2025 |
| 4 | Insider transaction | Oct 17, 2025 | Oct 15, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Oct 2, 2025 | Sep 29, 2025 |
| DEFA14A | Additional proxy material | Sep 24, 2025 | — |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure
|
Sep 24, 2025 | Sep 23, 2025 |
| 8-K/A | Amended current report | Sep 23, 2025 | Jul 8, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 31, 2025 |
| ARS | Annual report to shareholders | Aug 25, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Aug 25, 2025 | Sep 23, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| PRE 14A | Preliminary proxy statement | Aug 8, 2025 | Aug 8, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 7, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 4, 2025 | Aug 4, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Exit or restructuring costs
|
Jul 24, 2025 | Jul 18, 2025 |
| 8-K |
Current report
Exit or restructuring costs
|
Jul 18, 2025 | Jul 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | Jul 17, 2025 | Jul 15, 2025 |
| 4 | Insider transaction | Jul 17, 2025 | Jul 15, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 15, 2025 | — |
| S-8 POS | Filing | Jul 11, 2025 | — |
| S-8 | Employee stock plan registration | Jul 11, 2025 | — |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 4 | Insider transaction | Jul 10, 2025 | Jul 8, 2025 |
| 3 | Initial insider ownership | Jul 9, 2025 | Jul 8, 2025 |
| 3 | Initial insider ownership | Jul 9, 2025 | Jul 8, 2025 |
| 8-K |
Current report
Acquisition or sale of assets, Officer or director change, Regulation FD disclosure
|
Jul 8, 2025 | Jul 8, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Other events
|
Jul 1, 2025 | Jun 26, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 15, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 15, 2025 |
| 424B3 | Prospectus | Jun 16, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| EFFECT | Filing | Jun 12, 2025 | — |
| CORRESP | Letter to the SEC | Jun 11, 2025 | — |
| DFAN14A | Filing | Jun 11, 2025 | — |
| 4 | Insider transaction | Jun 10, 2025 | Jun 9, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 6, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 6, 2025 |
| POS AM | Filing | Jun 4, 2025 | — |
| CORRESP | Letter to the SEC | Jun 3, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | May 31, 2025 |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2025 | — |
| UPLOAD | Letter from the SEC | May 30, 2025 | — |
| DFAN14A | Filing | May 23, 2025 | — |
| POS AM | Filing | May 21, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| 8-K |
Current report
Auditor change
|
May 14, 2025 | May 9, 2025 |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 425 | Filing | May 12, 2025 | — |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
May 12, 2025 | May 7, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 7, 2025 | — |
| 4 | Insider transaction | May 2, 2025 | Apr 30, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 30, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 30, 2025 | — |
| 10-K/A | Amended annual report | Apr 30, 2025 | Dec 31, 2024 |
| DFAN14A | Filing | Apr 30, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 2025 | — |
| 425 | Filing | Apr 29, 2025 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 29, 2025 | Apr 28, 2025 |
| DFAN14A | Filing | Apr 24, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 23, 2025 | — |
| DFAN14A | Filing | Apr 22, 2025 | — |
| DFAN14A | Filing | Apr 21, 2025 | — |
| DFAN14A | Filing | Apr 18, 2025 | — |
| 4 | Insider transaction | Apr 17, 2025 | Apr 15, 2025 |
| 4 | Insider transaction | Apr 17, 2025 | Apr 15, 2025 |
| DEFC14A | Filing | Apr 17, 2025 | — |
| 424B3 | Prospectus | Apr 15, 2025 | — |
| EFFECT | Filing | Apr 14, 2025 | — |
| CORRESP | Letter to the SEC | Apr 11, 2025 | — |
| CORRESP | Letter to the SEC | Apr 10, 2025 | — |
| CORRESP | Letter to the SEC | Apr 10, 2025 | — |
| S-4/A | Filing | Apr 10, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 9, 2025 | — |
| DFAN14A | Filing | Apr 7, 2025 | — |
| UPLOAD | Letter from the SEC | Apr 7, 2025 | — |
| S-4/A | Filing | Apr 4, 2025 | — |
| 8-K |
Current report
Material agreement
|
Apr 4, 2025 | Apr 2, 2025 |
| 425 | Filing | Apr 4, 2025 | — |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Laboratory Analytical Instruments (SIC 3826)
- Listed as
- QTRX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Billerica, MA
- SEC filer status
- Accelerated filer
- SEC CIK
- 1503274
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.