QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

True Wealth Design, LLC's Holding History (CIK: 0001966033)

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

Q4 2025

Shares 151 Value ($000) $1 Avg Close $6.21 Range $4.50 - $7.88

Q3 2025

Shares 151 Value ($000) $1 Avg Close $5.32 Range $4.15 - $7.09

Q2 2025

Shares 151 Value ($000) $1 Avg Close $5.57 Range $4.05 - $7.03

Q1 2025

Shares 155 Value ($000) $1 Avg Close $8.34 Range $6.16 - $12.41

Q3 2024

Shares 12 Value ($000) $0 Avg Close $13.36 Range $10.50 - $16.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	151	$1	$6.21	$4.50 - $7.88
Q3 2025	151	$1	$5.32	$4.15 - $7.09
Q2 2025	151	$1	$5.57	$4.05 - $7.03
Q1 2025	155	$1	$8.34	$6.16 - $12.41
Q3 2024	12	$0	$13.36	$10.50 - $16.74