15 insiders reported 182 Form 4 transactions for Quanterix Corp (QTRX) over the past 18 months (most recent 2026-08-20). Recent activity: Elliott Jeffrey Thomas (Director) Buy 3,955 shares, DONNELLY WILLIAM P (Director) Buy 2,802 shares, Miller Michael Francis (Chief Technology Officer) Buy 81 shares, Miller Michael Francis (Chief Technology Officer) Sell 25 shares, Miller Michael Francis (Chief Technology Officer) Buy 136 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Elliott Jeffrey Thomas | Director | Buy | 3,955 | $0 |
| 2026-08-19 | DONNELLY WILLIAM P | Director | Buy | 2,802 | $0 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Buy | 81 | $0 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Sell | 25 | $65 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Buy | 136 | $0 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Sell | 41 | $106 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Buy | 135 | $0 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Sell | 41 | $106 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Buy | 372 | $0 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Sell | 111 | $287 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Buy | 834 | $0 |
| 2026-08-17 | Miller Michael Francis | Chief Technology Officer | Sell | 249 | $645 |
| 2026-08-14 | DONNELLY WILLIAM P | Director | Buy | 27,155 | $74,676 |
| 2026-08-14 | DONNELLY WILLIAM P | Director | Buy | 72,245 | $211,678 |
| 2026-08-04 | Miller Michael Francis | Chief Technology Officer | Buy | 130 | $0 |
| 2026-08-04 | Miller Michael Francis | Chief Technology Officer | Sell | 39 | $136 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Buy | 81 | $0 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Sell | 25 | $106 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Buy | 136 | $0 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Sell | 41 | $174 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Buy | 135 | $0 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Sell | 41 | $174 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Buy | 372 | $0 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Sell | 111 | $471 |
| 2026-07-16 | Miller Michael Francis | Chief Technology Officer | Buy | 834 | $0 |
Source: SEC Form 4 filings · as of 2026-08-20