Christopher D. Brown, Chief Technology Officer at 908 Devices Inc. (MASS), sold 40,000 shares at $19.58 ($783K) on 2022-09-12, disclosed to the SEC on 2022-09-14.
Open-market sale of $783k 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 | $19.58 | 20,000 | $392K | 50.0% |
| 2 | $19.58 | 20,000 | $392K | 50.0% |
| Total | $19.58 avg | 40,000 | $783K | 100% |
| Filing → |
| MASS | SELL | 2026-08-12 | $162K | — | Filing → |
| MASS | SELL | 2026-08-07 | $170K | — | Filing → |
| MASS | SELL | 2026-07-07 | $20K | — | Filing → |