Joseph H. Griffith IV, Chief Financial Officer at 908 Devices Inc. (MASS), sold 6,940 shares at $9.03 ($63K) on 2026-05-28, disclosed to the SEC on 2026-05-29.
Scheduled sale ($63k) by Chief Financial Officer under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
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 → |