QTRX · Quanterix Corporation Common Stock
View on chartInsiders & Stakes
| David R. Walt | ▲ Buy | Grant | 1,872,890 Shares held | 1/2/2026 | View profile |
| E. Kevin Hrusovsky Chairman, President & CEO | ▼ Sell | Open Market | 910,249 Shares held | 7/5/2022 | View profile |
| Masoud Toloue President & CEO | ▼ Sell | Tax Withholding | 507,310 Shares held | 1/15/2026 | View profile |
| Paul M. Meister Director | ▲ Buy | Grant | 313,253 Shares held | 1/2/2026 | View profile |
| William P. Donnelly Executive Chair | ▲ Buy | Option Exercise | 162,401 Shares held | 8/17/2026 | View profile |
| Keith Crandell Director | ▲ Buy | Grant | 131,236 Shares held | 4/3/2023 | View profile |
| DOYLE MICHAEL A CFO and Treasurer | ▼ Sell | Tax Withholding | 88,332 Shares held | 9/30/2023 | View profile |
| Malcolm Garret Hampton | ▲ Buy | Grant | 70,099 Shares held | 1/2/2026 | View profile |
| Alan Bruce Sachs | ▲ Buy | Grant | 70,099 Shares held | 1/2/2026 | View profile |
| Hlavinka Sarah E. | ▲ Buy | Grant | 60,070 Shares held | 7/1/2025 | View profile |
| Karen Flynn | ▲ Buy | Grant | 57,212 Shares held | 1/2/2026 | View profile |
| Duffy David C. SVP R&D and CTO | ▼ Sell | Open Market | 54,730 Shares held | 3/23/2022 | View profile |
| Ivana Magovcevic-Liebisch | ▲ Buy | Grant | 43,607 Shares held | 1/2/2026 | View profile |
| Fry John J General Counsel & Secretary | ▼ Sell | Open Market | 37,671 Shares held | 8/1/2022 | View profile |
| Michael Francis Miller Chief Technology Officer | ▼ Sell | Tax Withholding | 37,250 Shares held | 8/15/2026 | View profile |
| Martin D. Madaus Director | ▲ Buy | Grant | 36,908 Shares held | 1/2/2025 | View profile |
| Mattoon Dawn Sr. VP, Diagnostics | ▼ Sell | Open Market | 36,876 Shares held | 4/1/2022 | View profile |
| Vandana Sriram VP, Finance & Corp. Controller | ▼ Sell | Tax Withholding | 31,283 Shares held | 6/15/2026 | View profile |
| Scott Mendel | ▲ Buy | Option Exercise | 24,056 Shares held | 7/8/2026 | View profile |
| Roskey Mark T. SVP, Strategic Partnerships | ▼ Sell | Open Market | 22,325 Shares held | 4/1/2022 | View profile |
| Blaser Brian J | ▲ Buy | Grant | 19,049 Shares held | 1/2/2024 | View profile |
| Jeffrey Thomas Elliott | ▲ Buy | Option Exercise | 15,345 Shares held | 8/19/2026 | View profile |
| Goldman Myla Lai Director | ▲ Buy | Option Exercise | 15,041 Shares held | 7/8/2026 | View profile |
| OLSON LAURIE J | ▼ Sell | Open Market | 13,738 Shares held | 5/14/2024 | View profile |
| Benjamin Meadows Chief Commercial Officer | ▲ Buy | Open Market | 3,500 Shares held | 5/12/2026 | View profile |
Transaction History
| Jeffrey Thomas Elliott | ▲ Buy | Option Exercise | 3,955 | — | 8/19/2026 |
| William P. Donnelly | ▲ Buy | Option Exercise | 2,802 | — | 8/17/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 81 | — | 8/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 25 | $65 | 8/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 136 | — | 8/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $106 | 8/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 135 | — | 8/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $106 | 8/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 372 | — | 8/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 111 | $287 | 8/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 834 | — | 8/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 249 | $645 | 8/15/2026 |
| William P. Donnelly | ▲ Buy | Open Market | 72,245 | $212K | 8/13/2026 |
| William P. Donnelly | ▲ Buy | Open Market | 27,155 | $75K | 8/12/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 130 | — | 7/31/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 39 | $136 | 7/31/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 81 | — | 7/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 25 | $106 | 7/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 136 | — | 7/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $174 | 7/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 135 | — | 7/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $174 | 7/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 372 | — | 7/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 111 | $471 | 7/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 834 | — | 7/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 249 | $1K | 7/15/2026 |
| Scott Mendel | ▲ Buy | Option Exercise | 8,073 | — | 7/8/2026 |
| Goldman Myla Lai | ▲ Buy | Option Exercise | 8,073 | — | 7/8/2026 |
| Scott Mendel | ▲ Buy | Grant | 3,456 | $15K | 7/1/2026 |
| William P. Donnelly | ▲ Buy | Grant | 5,472 | $24K | 7/1/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 130 | — | 6/30/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 39 | $168 | 6/30/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 1,056 | — | 6/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 315 | $977 | 6/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $127 | 6/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 372 | — | 6/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 111 | $344 | 6/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 834 | — | 6/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 249 | $772 | 6/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 263 | — | 6/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 79 | $245 | 6/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 514 | — | 6/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 154 | $477 | 6/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 81 | — | 6/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 25 | $78 | 6/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 136 | — | 6/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $127 | 6/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 135 | — | 6/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 130 | — | 5/31/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 39 | $119 | 5/31/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 263 | — | 5/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 79 | $217 | 5/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 514 | — | 5/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 154 | $424 | 5/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 1,056 | — | 5/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 315 | $866 | 5/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 81 | — | 5/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 25 | $69 | 5/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 136 | — | 5/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $113 | 5/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 135 | — | 5/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $113 | 5/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 372 | — | 5/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 111 | $305 | 5/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 834 | — | 5/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 249 | $685 | 5/15/2026 |
| Benjamin Meadows | ▲ Buy | Open Market | 3,500 | $10K | 5/12/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 130 | — | 4/30/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 39 | $122 | 4/30/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 81 | — | 4/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 25 | $90 | 4/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 136 | — | 4/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $148 | 4/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 135 | — | 4/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 41 | $148 | 4/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 372 | — | 4/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 111 | $400 | 4/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 834 | — | 4/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 249 | $896 | 4/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 263 | — | 4/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 79 | $284 | 4/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 514 | — | 4/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 154 | $554 | 4/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 1,056 | — | 4/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 315 | $1K | 4/15/2026 |
| William P. Donnelly | ▲ Buy | Grant | 6,178 | $0 | 4/1/2026 |
| Scott Mendel | ▲ Buy | Grant | 4,310 | $0 | 4/1/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 99 | — | 3/31/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 30 | $106 | 3/31/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 130 | — | 3/31/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 39 | $137 | 3/31/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 81 | — | 3/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 29 | $137 | 3/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 136 | — | 3/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 48 | $227 | 3/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 135 | — | 3/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 48 | $227 | 3/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 372 | — | 3/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 131 | $618 | 3/15/2026 |
| Michael Francis Miller | ▲ Buy | Option Exercise | 834 | — | 3/15/2026 |
| Michael Francis Miller | ▼ Sell | Tax Withholding | 293 | $1K | 3/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 263 | — | 3/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 93 | $439 | 3/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 514 | — | 3/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 181 | $854 | 3/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 1,056 | — | 3/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 371 | $2K | 3/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 514 | — | 2/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 179 | $1K | 2/15/2026 |
| Vandana Sriram | ▲ Buy | Option Exercise | 263 | — | 2/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 92 | $528 | 2/15/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 4,395 | $0 | 2/4/2026 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 274 | $2K | 1/15/2026 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,817 | $14K | 1/15/2026 |
| Paul M. Meister | ▲ Buy | Grant | 3,974 | $0 | 1/2/2026 |
| Ivana Magovcevic-Liebisch | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| Jeffrey Thomas Elliott | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| David R. Walt | ▲ Buy | Grant | 1,215 | $0 | 1/2/2026 |
| William P. Donnelly | ▲ Buy | Grant | 2,377 | $0 | 1/2/2026 |
| Malcolm Garret Hampton | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| Alan Bruce Sachs | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| Goldman Myla Lai | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| Goldman Myla Lai | ▲ Buy | Grant | 1,944 | $0 | 1/2/2026 |
| Scott Mendel | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| Scott Mendel | ▲ Buy | Grant | 1,944 | $0 | 1/2/2026 |
| Karen Flynn | ▲ Buy | Grant | 23,372 | $0 | 1/2/2026 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 258 | $2K | 12/31/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $2K | 12/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $9K | 12/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $2K | 11/30/2025 |
| Alan Bruce Sachs | ▲ Buy | Grant | 46,727 | — | 11/20/2025 |
| Malcolm Garret Hampton | ▲ Buy | Grant | 46,727 | — | 11/20/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 11/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $7K | 11/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $1K | 10/31/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 10/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $7K | 10/15/2025 |
| Goldman Myla Lai | ▲ Buy | Grant | 2,084 | $12K | 10/1/2025 |
| William P. Donnelly | ▲ Buy | Grant | 5,076 | $28K | 10/1/2025 |
| Scott Mendel | ▲ Buy | Grant | 2,084 | $12K | 10/1/2025 |
| David R. Walt | ▲ Buy | Grant | 2,594 | $14K | 10/1/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $1K | 9/30/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 9/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $6K | 9/15/2025 |
| Vandana Sriram | ▲ Buy | Open Market | 4,150 | $20K | 9/12/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $1K | 8/31/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 8/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $6K | 8/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $2K | 7/31/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 7/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $7K | 7/15/2025 |
| Goldman Myla Lai | ▲ Buy | Grant | 2,940 | — | 7/8/2025 |
| Goldman Myla Lai | ▲ Buy | Grant | 24,464 | $0 | 7/8/2025 |
| Scott Mendel | ▲ Buy | Grant | 4,189 | — | 7/8/2025 |
| Scott Mendel | ▲ Buy | Grant | 24,464 | $0 | 7/8/2025 |
| Hlavinka Sarah E. | ▲ Buy | Grant | 2,615 | $17K | 7/1/2025 |
| Paul M. Meister | ▲ Buy | Grant | 2,242 | $15K | 7/1/2025 |
| William P. Donnelly | ▲ Buy | Grant | 4,204 | $28K | 7/1/2025 |
| David R. Walt | ▲ Buy | Grant | 2,148 | $14K | 7/1/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $2K | 6/30/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $8K | 6/15/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 6/15/2025 |
| David R. Walt | ▲ Buy | Open Market | 123,990 | $761K | 6/13/2025 |
| David R. Walt | ▲ Buy | Open Market | 36,010 | $224K | 6/12/2025 |
| Masoud Toloue | ▲ Buy | Open Market | 45,900 | $249K | 6/9/2025 |
| David R. Walt | ▲ Buy | Open Market | 78,131 | $417K | 6/9/2025 |
| David R. Walt | ▲ Buy | Open Market | 131,869 | $717K | 6/6/2025 |
| William P. Donnelly | ▲ Buy | Open Market | 93,113 | $506K | 6/6/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $1K | 5/31/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 5/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $6K | 5/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $1K | 4/30/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $1K | 4/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $6K | 4/15/2025 |
| David R. Walt | ▲ Buy | Grant | 2,156 | $14K | 4/1/2025 |
| Paul M. Meister | ▲ Buy | Grant | 2,479 | $17K | 4/1/2025 |
| Hlavinka Sarah E. | ▲ Buy | Grant | 2,625 | $17K | 4/1/2025 |
| William P. Donnelly | ▲ Buy | Grant | 2,681 | $18K | 4/1/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 254 | $2K | 3/31/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 1,242 | $9K | 3/15/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 229 | $2K | 3/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 247 | $2K | 2/28/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 92 | $741 | 2/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 752 | $6K | 2/15/2025 |
| Vandana Sriram | ▲ Buy | Grant | 50,712 | $0 | 2/4/2025 |
| Masoud Toloue | ▲ Buy | Grant | 138,790 | $0 | 2/4/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 2,166 | $20K | 2/2/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 6,077 | $56K | 2/2/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 298 | $3K | 1/31/2025 |
| Vandana Sriram | ▼ Sell | Tax Withholding | 93 | $802 | 1/15/2025 |
| Masoud Toloue | ▼ Sell | Tax Withholding | 906 | $8K | 1/15/2025 |
| David R. Walt | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Ivana Magovcevic-Liebisch | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Martin D. Madaus | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Jeffrey Thomas Elliott | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Karen Flynn | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Paul M. Meister | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Paul M. Meister | ▲ Buy | Grant | 1,394 | $15K | 1/2/2025 |
| Hlavinka Sarah E. | ▲ Buy | Grant | 7,435 | $0 | 1/2/2025 |
| Hlavinka Sarah E. | ▲ Buy | Grant | 1,394 | $15K | 1/2/2025 |