John Kenneweg, SVP, Sales & Product Marketing at 908 Devices Inc. (MASS), sold 18,255 shares at $8.11 ($148K) on 2026-05-08, disclosed to the SEC on 2026-05-11.
Open-market sale of $148k MASS by SVP, Sales & Product Marketing. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| MASS | SELL | 2022-04-14 | $397K | — | Filing → |
| MASS | SELL | 2022-03-21 | $798K | — | Filing → |
| MASS | SELL | 2022-03-15 | $2K | — | Filing → |