Insiders / Griffith Joseph H. IV / Activity
Activity — Griffith Joseph H. IV
11 moves.
| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 2, 2026 | Sell | MASS 908 Devices Inc. Common Stock | $143.2K | -23K -14.21% | 139,896 0.34% of shares | medium |
| Feb 2, 2026 | Grant | MASS 908 Devices Inc. Stock Option (option to buy) | — | +53K | 52,967 0.13% of shares | low |
| Feb 2, 2026 | Grant | MASS 908 Devices Inc. Restricted Stock Units | — | +121K | 121,164 0.29% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | — | -43K -33.33% | 86,945 0.21% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | — | -11K -33.33% | 22,521 0.05% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | — | -10K -50.00% | 10,306 0.02% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Restricted Stock Units | — | -5K -100.00% | 0 0.00% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | — | +43K +36.35% | 163,071 0.39% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | — | +11K +10.39% | 119,598 0.29% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | — | +10K +10.51% | 108,338 0.26% of shares | low |
| Feb 1, 2026 | Exercise | MASS 908 Devices Inc. Common Stock | — | +5K +5.49% | 98,032 0.24% of shares | low |