Joseph H. Griffith IV, Chief Financial Officer at 908 Devices Inc. (MASS), sold 23,175 shares at $6.18 ($143K) on 2026-02-02, disclosed to the SEC on 2026-02-03.
Seasonal sale ($143k) by Chief Financial Officer — this insider has traded MASS in February in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| MASS | SELL | 2025-10-06 | $45K | — | Filing → |
| MASS | SELL | 2025-09-23 | $35K | — | Filing → |
| MASS | SELL | 2025-06-06 | $49K | — | Filing → |