908 Devices CEO Kevin Knopp Sells 60,345 Shares Under 10b5-1 Plan

Kevin J. Knopp, President and CEO of 908 Devices Inc. (MASS), filed a Form 4 disclosing the sale of 60,345 shares of common stock over three consecutive days from June 23-25, 2026. The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on May 20, 2025, with shares sold at weighted average prices ranging from $9.06 to $9.14 per share. Following these transactions, Knopp's direct holdings decreased to 735,623 shares, while he maintains beneficial ownership of an additional 541,223 shares held indirectly through The Kevin J. Knopp Irrevocable Trust of 2018. The sales represent a significant reduction in his direct ownership position, though he continues to hold substantial indirect beneficial ownership through the family trust managed by his brother-in-law.