Trade Summary

5 days ago, Kenneweg John, serving as SVP, Sales, Product Marketing at 908 Devices Inc. (MASS), sold 18,255 shares at $8.11 per share, for a total transaction value of $148,048.00. Following this transaction, Kenneweg John now holds 57,784 shares of MASS.

This sale represents a 24.00% decrease in Kenneweg John's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, May 8, 2026 and publicly disclosed via SEC Form 4 filing on Monday, May 11, 2026, 3 days after the trade was made.

908 Devices Inc. operates in the HEALTHCARE sector, specifically within the MEDICAL DEVICES industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.