QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

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

Q1 2023

Shares 421 Value ($000) $5 Avg Close $12.78 Range $10.02 - $15.63

Q4 2022

Shares 421 Value ($000) $0 Avg Close $11.51 Range $8.19 - $14.55

Q3 2022

Shares 421 Value ($000) $5 Avg Close $12.71 Range $6.31 - $19.46

Q2 2022

Shares 421 Value ($000) $7 Avg Close $20.56 Range $14.58 - $31.33

Q1 2022

Shares 421 Value ($000) $12 Avg Close $30.56 Range $22.70 - $43.32

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	421	$5	$12.78	$10.02 - $15.63
Q4 2022	421	$0	$11.51	$8.19 - $14.55
Q3 2022	421	$5	$12.71	$6.31 - $19.46
Q2 2022	421	$7	$20.56	$14.58 - $31.33
Q1 2022	421	$12	$30.56	$22.70 - $43.32