| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hampton Malcolm Garret | Director | C/O QUANTERIX CORPORATION, 900 MIDDLESEX TURNPIKE, BILLERICA | /s/ Bonnie McManus, Attorney-in-Fact | 20 Nov 2025 | 0001698265 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | QTRX | No securities beneficially held | 0 | 24 Nov 2025 | Direct |