| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Griffith Joseph H. IV | Chief Financial Officer | C/O 908 DEVICES INC., 645 SUMMER STREET, BOSTON | /s/ Michael S. Turner, as Attorney-in-Fact | 06 Jun 2025 | 0001431531 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MASS | Common Stock | Sale | $49,135 | -6,940 | -6.3% | $7.08 | 102,930 | 04 Jun 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. |