QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

Petrus Trust Company, LTA's Holding History (CIK: 0001473429)

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

Q4 2023

Shares 16,876 Value ($000) $461 Avg Close $23.54 Range $19.35 - $28.78

Q3 2023

Shares 11,425 Value ($000) $310 Avg Close $24.75 Range $20.57 - $28.77

Q2 2023

Shares 16,884 Value ($000) $381 Avg Close $17.82 Range $10.64 - $24.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	16,876	$461	$23.54	$19.35 - $28.78
Q3 2023	11,425	$310	$24.75	$20.57 - $28.77
Q2 2023	16,884	$381	$17.82	$10.64 - $24.14