Form 4 for QTRX Quanterix Corp
Accepted 2026-08-19 06:37:50 ET · period of report 2026-08-17 · accession 0001207928-26-000009 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-08-19 06:37 | 2026-08-17 | QTRX | DONNELLY WILLIAM P | Dir | M - OptEx | — | +2,802 | 162.4K | +2% | — |
| D | 2026-08-19 06:37 | 2026-08-17 | QTRX | DONNELLY WILLIAM P | Dir | M - OptEx | $0.00 | -2,802 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-17 | M | A | 2,802 | — | 162,401 | D | — | — | (F1) Restricted stock units convert into common stock on a one-for-one basis. |
| 2 | Derivative | Restricted Stock Unit | 2026-08-17 | M | D | 2,802 | $0.00 | 0 | D | $0.00 · — to — | 2,802 Common Stock | (F2) On August 17, 2023, the reporting person was granted 8,238 restricted stock units, vesting 33%, 33%, and 34% on the first, second, and third anniversaries of the grant date, respectively. (F2) On August 17, 2023, the reporting person was granted 8,238 restricted stock units, vesting 33%, 33%, and 34% on the first, second, and third anniversaries of the grant date, respectively. |