CHRISTOPHER BROWN plan to sell securities of 908 DEVICES INC. under Form 144

CHRISTOPHER BROWN filed Form 144 to notify SEC of plan to sell 100000 units of 908 DEVICES INC. securities around 2026-04-08, with aggregate market value of $676,000.00. The total outstanding units is 37379953.0. The amount planned to be sold represents 0.27% of total outstanding units;