SEC Filing: Ownership Change in 908 Devices Inc.

This filing details transactions made by AWM Investment Company, Inc. regarding shares of 908 Devices Inc. (MASS). On June 2, 2026, AWM disposed of 2,500 shares at an average price of $8.95, resulting in 4,927,273 shares remaining. Subsequently, on June 4, 2026, AWM disposed of an additional 39,782 shares at an average price of $8.9703. Following this transaction, AWM holds 4,887,491 shares. AWM Investment Company, Inc. is the investment adviser to several funds and holds sole voting and investment power over these shares. David M. Greenhouse and Adam C. Stettner are the controlling principals of AWM. The reporting person disclaims beneficial ownership of the shares except to the extent of their pecuniary interest.