John Kenneweg, Vice President, Government at 908 Devices Inc. (MASS), sold 10,000 shares at $36.61 ($366K) on 2021-09-16, disclosed to the SEC on 2021-09-17.
Open-market sale of $366k MASS by Vice President, Government. 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 | 2026-05-04 | $53K | — | Filing → |
| MASS | SELL | 2022-04-14 | $397K | — | Filing → |
| MASS | SELL | 2022-03-21 | $798K | — | Filing → |