908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

DekaBank Deutsche Girozentrale's Holding History (CIK: 0001456228)

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

Q1 2021

Shares 60,000 Value ($000) $2,692 Avg Close $57.14 Range $38.88 - $79.60

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	60,000	$2,692	$57.14	$38.88 - $79.60