DONNELLY WILLIAM P (CIK 1207928) reported 22 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-08-19). Recent activity: Buy QTRX (2,802 shares), Buy QTRX (27,155 shares), Buy QTRX (72,245 shares), Buy QTRX (5,472 shares), Buy TROW (142 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Quanterix Corp (QTRX) | Director | Buy | 2,802 | $0 |
| 2026-08-14 | Quanterix Corp (QTRX) | Director | Buy | 27,155 | $74,676 |
| 2026-08-14 | Quanterix Corp (QTRX) | Director | Buy | 72,245 | $211,678 |
| 2026-07-02 | Quanterix Corp (QTRX) | Director | Buy | 5,472 | $23,748 |
| 2026-07-01 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 142 | $16,206 |
| 2026-07-01 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 576 | $0 |
| 2026-05-11 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 1,899 | $0 |
| 2026-04-07 | Quanterix Corp (QTRX) | Executive Chair | Buy | 6,178 | $0 |
| 2026-03-31 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 152 | $13,540 |
| 2026-03-02 | Ingersoll Rand Inc. (IR) | Director | Buy | 3,029 | $0 |
| 2026-01-06 | Quanterix Corp (QTRX) | Executive Chair | Buy | 2,377 | $0 |
| 2026-01-02 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 621 | $0 |
| 2026-01-02 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 119 | $12,288 |
| 2025-10-03 | Quanterix Corp (QTRX) | Director | Buy | 5,076 | $28,121 |
| 2025-09-30 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 117 | $12,139 |
| 2025-07-02 | Quanterix Corp (QTRX) | Director | Buy | 4,204 | $28,125 |
| 2025-07-01 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 116 | $11,141 |
| 2025-07-01 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 670 | $0 |
| 2025-06-09 | Quanterix Corp (QTRX) | Director | Buy | 93,113 | $506,535 |
| 2025-05-12 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 2,157 | $0 |
| 2025-04-03 | Quanterix Corp (QTRX) | Director | Buy | 2,681 | $17,882 |
| 2025-03-31 | PRICE T ROWE GROUP INC (TROW) | Director | Buy | 90 | $8,286 |
Source: SEC Form 4 filings · as of 2026-08-19