908 DEVICES INC

Ticker: MASS CUSIP: 65443P102 Class: Common Stock

SEGALL BRYANT & HAMILL, LLC's Holding History (CIK: 0001006378)

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

Q2 2022

Shares 217,221 Value ($000) $4,473 Avg Close $16.80 Range $12.67 - $21.38

Q1 2022

Shares 152,635 Value ($000) $2,902 Avg Close $17.19 Range $12.60 - $26.63

Q4 2021

Shares 152,275 Value ($000) $3,940 Avg Close $29.42 Range $22.21 - $39.34

Q3 2021

Shares 77,979 Value ($000) $2,536 Avg Close $33.97 Range $29.20 - $39.81

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	217,221	$4,473	$16.80	$12.67 - $21.38
Q1 2022	152,635	$2,902	$17.19	$12.60 - $26.63
Q4 2021	152,275	$3,940	$29.42	$22.21 - $39.34
Q3 2021	77,979	$2,536	$33.97	$29.20 - $39.81