908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

GAMMA Investing LLC's Holding History (CIK: 0002010235)

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

Q4 2025

Shares 473 Value ($000) $2 Avg Close $6.99 Range $5.16 - $9.34

Q3 2025

Shares 679 Value ($000) $6 Avg Close $6.64 Range $5.32 - $8.79

Q2 2025

Shares 584 Value ($000) $4 Avg Close $5.56 Range $3.55 - $8.06

Q2 2024

Shares 9,254 Value ($000) $48 Avg Close $6.04 Range $4.94 - $7.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	473	$2	$6.99	$5.16 - $9.34
Q3 2025	679	$6	$6.64	$5.32 - $8.79
Q2 2025	584	$4	$5.56	$3.55 - $8.06
Q2 2024	9,254	$48	$6.04	$4.94 - $7.56