WALT DAVID R (CIK 1205236) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-06). Recent activity: Buy QTRX (1,215 shares), Buy QTRX (2,594 shares), Buy QTRX (2,148 shares), Buy QTRX (36,010 shares), Buy QTRX (123,990 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-06 | Quanterix Corp (QTRX) | Director | Buy | 1,215 | $0 |
| 2025-10-03 | Quanterix Corp (QTRX) | Director | Buy | 2,594 | $14,371 |
| 2025-07-02 | Quanterix Corp (QTRX) | Director | Buy | 2,148 | $14,370 |
| 2025-06-13 | Quanterix Corp (QTRX) | Director | Buy | 36,010 | $224,342 |
| 2025-06-13 | Quanterix Corp (QTRX) | Director | Buy | 123,990 | $761,299 |
| 2025-06-09 | Quanterix Corp (QTRX) | Director | Buy | 131,869 | $716,049 |
| 2025-06-09 | Quanterix Corp (QTRX) | Director | Buy | 78,131 | $417,220 |
| 2025-04-03 | Quanterix Corp (QTRX) | Director | Buy | 2,156 | $14,381 |
Source: SEC Form 4 filings · as of 2026-01-06