908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 13,827 Value ($000) $0 Avg Close $6.99 Range $5.16 - $9.34

Q3 2025

Shares 13,827 Value ($000) $0 Avg Close $6.64 Range $5.32 - $8.79

Q2 2025

Shares 12,410 Value ($000) $0 Avg Close $5.56 Range $3.55 - $8.06

Q1 2025

Shares 12,410 Value ($000) $0 Avg Close $2.96 Range $1.92 - $4.80

Q1 2021

Shares 465,287 Value ($000) $22,566 Avg Close $57.14 Range $38.88 - $79.60

Q4 2020

Shares 573,000 Value ($000) $32,632 Avg Close $58.41 Range $43.25 - $74.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,827	$0	$6.99	$5.16 - $9.34
Q3 2025	13,827	$0	$6.64	$5.32 - $8.79
Q2 2025	12,410	$0	$5.56	$3.55 - $8.06
Q1 2025	12,410	$0	$2.96	$1.92 - $4.80
Q1 2021	465,287	$22,566	$57.14	$38.88 - $79.60
Q4 2020	573,000	$32,632	$58.41	$43.25 - $74.00