908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

BALYASNY ASSET MANAGEMENT L.P.'s Holding History (CIK: 0001218710)

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

Q1 2023

Shares 23,154 Value ($000) $199 Avg Close $8.92 Range $6.38 - $10.97

Q4 2022

Shares 23,653 Value ($000) $180 Avg Close $12.10 Range $6.87 - $18.02

Q4 2021

Shares 10,198 Value ($000) $264 Avg Close $29.42 Range $22.21 - $39.34

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	23,154	$199	$8.92	$6.38 - $10.97
Q4 2022	23,653	$180	$12.10	$6.87 - $18.02
Q4 2021	10,198	$264	$29.42	$22.21 - $39.34