QTRXQuanterix Corp
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-08-20.
Insider buys (90d)
$296.0K
Insider sells (90d)
$0.00
Net flow
$296.0K
Filings
15
Buy transactions
3
Sell transactions
0
Distinct insiders
7
Last close (cached)
$2.80
as of 2026-08-24
1d return
-6.4%
5d return
-4.1%
1m return
-23.7%
Top insiders trading QTRX (90d)
Recent transactions (50)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-20 | 2026-08-19 | Elliott Jeffrey Thomas | Exer. | 3,955 | $0.00 | $0.00 | open → |
| 2026-08-19 | 2026-08-17 | DONNELLY WILLIAM P | Exer. | 2,802 | $0.00 | $0.00 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Tax | 249 | $2.59 | $644.91 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Exer. | 834 | $0.00 | $0.00 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Tax | 111 | $2.59 | $287.49 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Exer. | 372 | $0.00 | $0.00 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Tax | 41 | $2.59 | $106.19 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Exer. | 135 | $0.00 | $0.00 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Tax | 41 | $2.59 | $106.19 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Exer. | 136 | $0.00 | $0.00 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Tax | 25 | $2.59 | $64.75 | open → |
| 2026-08-17 | 2026-08-15 | Miller Michael Francis | Exer. | 81 | $0.00 | $0.00 | open → |
| 2026-08-14 | 2026-08-13 | DONNELLY WILLIAM P | Buy | 72,245 | $2.93 | $211.7K | open → |
| 2026-08-14 | 2026-08-12 | DONNELLY WILLIAM P | Buy | 27,155 | $2.75 | $74.7K | open → |
| 2026-08-04 | 2026-07-31 | Miller Michael Francis | Tax | 39 | $3.48 | $135.72 | open → |
| 2026-08-04 | 2026-07-31 | Miller Michael Francis | Exer. | 130 | $0.00 | $0.00 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Tax | 249 | $4.24 | $1.1K | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Exer. | 834 | $0.00 | $0.00 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Tax | 111 | $4.24 | $470.64 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Exer. | 372 | $0.00 | $0.00 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Tax | 41 | $4.24 | $173.84 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Exer. | 135 | $0.00 | $0.00 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Tax | 41 | $4.24 | $173.84 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Exer. | 136 | $0.00 | $0.00 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Tax | 25 | $4.24 | $106.00 | open → |
| 2026-07-16 | 2026-07-15 | Miller Michael Francis | Exer. | 81 | $0.00 | $0.00 | open → |
| 2026-07-09 | 2026-07-08 | Mendel Scott | Exer. | 8,073 | $0.00 | $0.00 | open → |
| 2026-07-09 | 2026-07-08 | LAI GOLDMAN MYLA | Exer. | 8,073 | $0.00 | $0.00 | open → |
| 2026-07-02 | 2026-07-01 | Mendel Scott | Grant | 3,456 | $4.34 | $15.0K | open → |
| 2026-07-02 | 2026-06-30 | Miller Michael Francis | Tax | 39 | $4.32 | $168.48 | open → |
| 2026-07-02 | 2026-06-30 | Miller Michael Francis | Exer. | 130 | $0.00 | $0.00 | open → |
| 2026-07-02 | 2026-07-01 | DONNELLY WILLIAM P | Grant | 5,472 | $4.34 | $23.7K | open → |
| 2026-06-23 | 2026-06-15 | Sriram Vandana | Tax | 315 | $3.10 | $976.50 | open → |
| 2026-06-23 | 2026-06-15 | Sriram Vandana | Exer. | 1,056 | $0.00 | $0.00 | open → |
| 2026-06-23 | 2026-06-15 | Sriram Vandana | Tax | 154 | $3.10 | $477.40 | open → |
| 2026-06-23 | 2026-06-15 | Sriram Vandana | Exer. | 514 | $0.00 | $0.00 | open → |
| 2026-06-23 | 2026-06-15 | Sriram Vandana | Tax | 79 | $3.10 | $244.90 | open → |
| 2026-06-23 | 2026-06-15 | Sriram Vandana | Exer. | 263 | $0.00 | $0.00 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Tax | 249 | $3.10 | $771.90 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Exer. | 834 | $0.00 | $0.00 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Tax | 111 | $3.10 | $344.10 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Exer. | 372 | $0.00 | $0.00 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Tax | 41 | $3.10 | $127.10 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Exer. | 135 | $0.00 | $0.00 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Tax | 41 | $3.10 | $127.10 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Exer. | 136 | $0.00 | $0.00 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Tax | 25 | $3.10 | $77.50 | open → |
| 2026-06-16 | 2026-06-15 | Miller Michael Francis | Exer. | 81 | $0.00 | $0.00 | open → |
| 2026-06-12 | 2026-05-12 | Meadows Benjamin | Buy | 3,500 | $2.77 | $9.7K | open → |
| 2026-06-01 | 2026-05-31 | Miller Michael Francis | Tax | 39 | $3.06 | $119.34 | open → |
Other tickers these insiders trade
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