908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 1,801,772 Value ($000) $9,459 Avg Close $6.99 Range $5.16 - $9.34

Q3 2025

Shares 1,756,205 Value ($000) $15,384 Avg Close $6.64 Range $5.32 - $8.79

Q2 2025

Shares 1,790,845 Value ($000) $12,769 Avg Close $5.56 Range $3.55 - $8.06

Q1 2025

Shares 1,746,984 Value ($000) $7,826 Avg Close $2.96 Range $1.92 - $4.80

Q4 2024

Shares 1,927,018 Value ($000) $4,239 Avg Close $2.86 Range $1.81 - $4.05

Q3 2024

Shares 1,884,480 Value ($000) $6,539 Avg Close $4.44 Range $3.42 - $6.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,801,772	$9,459	$6.99	$5.16 - $9.34
Q3 2025	1,756,205	$15,384	$6.64	$5.32 - $8.79
Q2 2025	1,790,845	$12,769	$5.56	$3.55 - $8.06
Q1 2025	1,746,984	$7,826	$2.96	$1.92 - $4.80
Q4 2024	1,927,018	$4,239	$2.86	$1.81 - $4.05
Q3 2024	1,884,480	$6,539	$4.44	$3.42 - $6.30