SEC Form 4 · accession 0002081945-26-000005
908 Devices Inc. · MASS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Brandi C Vann
Director
Period of report
Aug 1, 2026
Accepted (ET)
Aug 3, 2026 · 4:15 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001555279
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 1, 2026 | M | 5,192 | — | A | 5,192 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitF1,F2,F3 | — | Aug 1, 2026 | M | 5,192 | D | — | — | Common Stock | 5,192 | 10,385 | D |
Explanation of responses
- F1Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested.
- F2The RSUs become vested in substantially equal annual installments over the 3 years following August 1, 2025, subject to the reporting person's continued service through the applicable vesting date, provided that, if the reporting person terminates their service for any reason, then a prorated number of RSUs will vest. The RSUs have no expiration date.
- F3The RSUs become vested in substantially equal annual installments over the 3 years following August 1, 2025, subject to the reporting person's continued service through the applicable vesting date, provided that, if the reporting person terminates their service for any reason, then a prorated number of RSUs will vest. The RSUs have no expiration date.