908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

GM Advisory Group, Inc.'s Holding History (CIK: 0001598304)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 278,792 Value ($000) $1,464 Avg Close $6.99 Range $5.16 - $9.34

Q3 2025

Shares 678,086 Value ($000) $5,940 Avg Close $6.64 Range $5.32 - $8.79

Q2 2025

Shares 1,165,291 Value ($000) $8,309 Avg Close $5.56 Range $3.55 - $8.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	278,792	$1,464	$6.99	$5.16 - $9.34
Q3 2025	678,086	$5,940	$6.64	$5.32 - $8.79
Q2 2025	1,165,291	$8,309	$5.56	$3.55 - $8.06