Christopher D. Brown, Chief Technology Officer at 908 Devices Inc. (MASS), sold 19,900 shares at $20.06 ($399K) on 2022-03-18, disclosed to the SEC on 2022-03-21.
Open-market sale of $399k 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.
| Filing → |
| MASS | SELL | 2026-08-12 | $162K | — | Filing → |
| MASS | SELL | 2026-08-07 | $170K | — | Filing → |
| MASS | SELL | 2026-07-07 | $20K | — | Filing → |