Form 4 Filing for 908 Devices Inc. - Insider Transactions

This filing details insider transactions for 908 Devices Inc. (MASS) by Christopher D. Brown, a director. On April 8, 2026, 15,030 shares of Common Stock were disposed of at a weighted average price of $7.05, with prices ranging from $7.00 to $7.25. Following this, 970,529 shares remained. On April 9, 2026, an additional 7,392 shares were disposed of at a weighted average price of $7.04, with prices ranging from $7.00 to $7.10, leaving 963,137 shares. On April 10, 2026, 17,578 shares were disposed of at a weighted average price of $7.07, with prices ranging from $7.00 to $7.14, resulting in 945,559 shares remaining. All transactions were made pursuant to a Rule 10b5-1 trading plan.