Walt David R

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
20 Aug 24	QTRX Quanterix	Common Stock	Buy	Acquire P	No	No	13.29	47,000	624.63 k	1,487,342
2 Jan 24	QTRX Quanterix	Common Stock	Grant	Acquire A	No	No	0	2,947	0.00	1,442,342
2 Jan 24	QTRX Quanterix	Stock Option Common Stock	Grant	Acquire A	No	No	27.15	6,412	174.09 k	6,412
9 Mar 23	QTRX Quanterix	Common Stock	Gift	Dispose G	No	No	0	1,000	0.00	1,440,342
12 Oct 22	QTRX Quanterix	Common Stock	Gift	Dispose G	No	No	0	1,000	0.00	1,441,342

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.