Quanterix Corp (QTRX) insider trading
Every open-market stock purchase and sale by Quanterix Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- William P Donnelly (Insider) bought $286K in the last 90 days, more than doubling their stake.
Last 12 months: insiders bought $296K (2 buys) and sold $0 (0 sales). Last close $3.07 on Sep 18, 2026.
Recent QTRX insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $677 |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $302 |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $112 |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $68 |
| Sep 15, 2026 | James Edward Gute Jr. (C-suite exec) | Bought (not open market) | — |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Sep 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 31, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $128 |
| Aug 31, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 19, 2026 | Jeffrey Thomas Elliott (Insider) | Bought (not open market) | — |
| Aug 17, 2026 | William P Donnelly (Insider) | Bought (not open market) | — |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $645 |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $287 |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $106 |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Sold (not open market) | $65 |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 15, 2026 | Michael Francis Miller (CTO) | Bought (not open market) | — |
| Aug 13, 2026 | William P Donnelly (Insider) | Bought | $212K |
| Aug 12, 2026 | William P Donnelly (Insider) | Bought | $74.7K |
Who's trading QTRX
- James Edward Gute Jr., C-suite exec: other filings, last Sep 15, 2026
- Michael Francis Miller, CTO: other filings, last Sep 15, 2026
- Jeffrey Thomas Elliott, Insider: other filings, last Aug 19, 2026
- William P Donnelly, Insider: bought $286K (2 buys), last Aug 17, 2026
- Jason F. Faessler, CFO: other filings, last Jul 15, 2026
- Scott Mendel, Insider: other filings, last Jul 8, 2026
- Goldman Myla Lai, Insider: other filings, last Jul 8, 2026
- Vandana Sriram, CFO: other filings, last Jun 15, 2026
- Benjamin Meadows, C-suite exec: bought $9.7K (1 buy), last May 12, 2026
- Everett Cunningham, CEO: other filings, last Jan 19, 2026
- Masoud Toloue, CEO: other filings, last Jan 15, 2026
- David R Walt, Insider: other filings, last Jan 2, 2026
- Karen Flynn, Insider: other filings, last Jan 2, 2026
- Malcolm Garret Hampton, Insider: other filings, last Jan 2, 2026
- Paul M Meister, Insider: other filings, last Jan 2, 2026
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