| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vann Brandi C | Director | C/O 908 DEVICES INC., 44 THIRD AVENUE, BURLINGTON | /s/ Michael S. Turner, as Attorney-in-Fact | 18 Aug 2025 | 0002081945 |
No securities are beneficially owned.
This Form 4 is being filed late due to an inadvertent administrative error.