Christopher D. Brown, Chief Technology Officer at 908 Devices Inc. (MASS), sold 20,000 shares at $24.05 ($473K) on 2022-01-05, disclosed to the SEC on 2022-01-07.
Open-market sale of $473k MASS by Chief Technology Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $22.89 | 3,286 | $75K | 15.9% |
| 2 | $22.89 | 3,286 | $75K | 15.9% |
| 3 | $24.05 | 6,714 | $161K | 34.1% |
| 4 | $24.05 | 6,714 | $161K | 34.1% |
| Total | $23.67 avg | 20,000 | $473K | 100% |
| Filing → |
| MASS | SELL | 2026-08-12 | $162K | — | Filing → |
| MASS | SELL | 2026-08-07 | $170K | — | Filing → |
| MASS | SELL | 2026-07-07 | $20K | — | Filing → |