908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

DARK FOREST CAPITAL MANAGEMENT LP's Holding History (CIK: 0001853322)

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

Q4 2022

Shares 104 Value ($000) $1 Avg Close $12.10 Range $6.87 - $18.02

Q2 2022

Shares 197 Value ($000) $4 Avg Close $16.80 Range $12.67 - $21.38

Q1 2022

Shares 704 Value ($000) $13 Avg Close $17.19 Range $12.60 - $26.63

Q4 2021

Shares 5 Value ($000) $0 Avg Close $29.42 Range $22.21 - $39.34

Q3 2021

Shares 10,991 Value ($000) $357 Avg Close $33.97 Range $29.20 - $39.81

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	104	$1	$12.10	$6.87 - $18.02
Q2 2022	197	$4	$16.80	$12.67 - $21.38
Q1 2022	704	$13	$17.19	$12.60 - $26.63
Q4 2021	5	$0	$29.42	$22.21 - $39.34
Q3 2021	10,991	$357	$33.97	$29.20 - $39.81