QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Caption Management, LLC's Holding History (CIK: 0001706766)

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

Q4 2024

Shares 25,000 Value ($000) $266 Avg Close $12.16 Range $9.87 - $15.67

Q4 2023

Shares 30,000 Value ($000) $820 Avg Close $23.54 Range $19.35 - $28.78

Q4 2022

Shares 181,939 Value ($000) $2,520 Avg Close $11.51 Range $8.19 - $14.55

Q3 2022

Shares 210,000 Value ($000) $2,315 Avg Close $12.71 Range $6.31 - $19.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	25,000	$266	$12.16	$9.87 - $15.67
Q4 2023	30,000	$820	$23.54	$19.35 - $28.78
Q4 2022	181,939	$2,520	$11.51	$8.19 - $14.55
Q3 2022	210,000	$2,315	$12.71	$6.31 - $19.46