Griffith Joseph H. IV
Chief Financial Officer · 9 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-28 | MASS | 908 Devices Inc. | Sale | 6,940 | $9.03 | $62,668.20 | filing |
| 2026-02-02 | MASS | 908 Devices Inc. | Sale | 23,175 | $6.18 | $143,221.50 | filing |
| 2026-02-01 | MASS | 908 Devices Inc. | Option exercise | 5,102 | — | — | filing |
| 2026-02-01 | MASS | 908 Devices Inc. | Option exercise | 10,306 | — | — | filing |
| 2026-02-01 | MASS | 908 Devices Inc. | Option exercise | 11,260 | — | — | filing |
| 2026-02-01 | MASS | 908 Devices Inc. | Option exercise | 43,473 | — | — | filing |
| 2025-10-03 | MASS | 908 Devices Inc. | Sale | 4,292 | $9.05 | $38,849.04 | filing |
| 2025-10-02 | MASS | 908 Devices Inc. | Sale | 708 | $9.04 | $6,397.77 | filing |
| 2025-09-19 | MASS | 908 Devices Inc. | Sale | 5,000 | $7.07 | $35,338.50 | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.