9 Form 4 filings for QTRX between 2026-07-09 and 2026-08-20, from 6 filers. 9 discretionary (0 sales, 8 purchases). 1 of 9 state a filing-level total, summing to $286,354; the rest report only their largest transaction, so the true figure is higher.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-08-20 | Elliott Jeffrey Thomas | acquired | 3,955 | — | — | — | |
| 2026-08-19 | DONNELLY WILLIAM P | acquired | 2,802 | — | — | — | |
| 2026-08-17 | Miller Michael Francis | acquired | 834 | — | — | 10 | |
| 2026-08-14 | DONNELLY WILLIAM P | Director | purchased (open market) | 72,245 | $2.93 | $286,354 | 2 |
| 2026-08-04 | Miller Michael Francis | acquired | 130 | — | — | 2 | |
| 2026-07-16 | Miller Michael Francis | acquired | 834 | — | — | 10 | |
| 2026-07-16 | Faessler Jason F. (Chief Financial Officer at Quanterix Corp) filed a Form 4; no parseable transaction details were found in the filing. | ||||||
| 2026-07-09 | Mendel Scott | acquired | 8,073 | — | — | — | |
| 2026-07-09 | LAI GOLDMAN MYLA | acquired | 8,073 | — | — | — | |
| 9 filings · 6 filers · disclosed totals only | $286,354 (1/9) | — | |||||