QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Stanley-Laman Group, Ltd.'s Holding History (CIK: 0001601489)

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

Q2 2022

Shares 57,249 Value ($000) $927 Avg Close $20.56 Range $14.58 - $31.33

Q1 2022

Shares 56,574 Value ($000) $1,651 Avg Close $30.56 Range $22.70 - $43.32

Q4 2021

Shares 32,090 Value ($000) $1,361 Avg Close $46.70 Range $35.02 - $60.92

Q3 2021

Shares 10,717 Value ($000) $534 Avg Close $51.55 Range $44.20 - $60.95

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	57,249	$927	$20.56	$14.58 - $31.33
Q1 2022	56,574	$1,651	$30.56	$22.70 - $43.32
Q4 2021	32,090	$1,361	$46.70	$35.02 - $60.92
Q3 2021	10,717	$534	$51.55	$44.20 - $60.95