Christopher D. Brown, Director at 908 Devices Inc. (MASS), sold 20,000 shares at $8.73 ($175K) on 2026-06-03, disclosed to the SEC on 2026-06-04.
Scheduled sale ($175k) by Director under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| Filing → |
| MASS | SELL | 2026-08-12 | $162K | — | Filing → |
| MASS | SELL | 2026-08-07 | $170K | — | Filing → |
| MASS | SELL | 2026-07-07 | $20K | — | Filing → |