908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q3 2025

Shares 25,603 Value ($000) $224 Avg Close $6.64 Range $5.32 - $8.79

Q2 2025

Shares 186,215 Value ($000) $1,328 Avg Close $5.56 Range $3.55 - $8.06

Q1 2025

Shares 339,715 Value ($000) $1,522 Avg Close $2.96 Range $1.92 - $4.80

Q4 2024

Shares 85,860 Value ($000) $189 Avg Close $2.86 Range $1.81 - $4.05

Q3 2024

Shares 57,597 Value ($000) $200 Avg Close $4.44 Range $3.42 - $6.30

Q2 2024

Shares 15,724 Value ($000) $81 Avg Close $6.04 Range $4.94 - $7.56

Q1 2021

Shares 11,971 Value ($000) $581 Avg Close $57.14 Range $38.88 - $79.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	25,603	$224	$6.64	$5.32 - $8.79
Q2 2025	186,215	$1,328	$5.56	$3.55 - $8.06
Q1 2025	339,715	$1,522	$2.96	$1.92 - $4.80
Q4 2024	85,860	$189	$2.86	$1.81 - $4.05
Q3 2024	57,597	$200	$4.44	$3.42 - $6.30
Q2 2024	15,724	$81	$6.04	$4.94 - $7.56
Q1 2021	11,971	$581	$57.14	$38.88 - $79.60