David R. Walt

Insider Reports History

Location: 5200 Illumina Way, San Diego, CA
Signature: /s/ Brian Keane, as Attorney-in-Fact
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by David R. Walt:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
Quanterix Corp	Director	Common Stock	1.87M	$11.5M	$6.14	Jun 13, 2025	Direct
Quanterix Corp	Director	Stock Option (Right to Buy)	15.8K			Jan 2, 2025	Direct

Showing 1 to 2 of 2 entries

Insider Reports Filed by David R. Walt

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
QTRX	Quanterix Corp	Jun 12, 2025	2	$985K	4	Jun 13, 2025	Director
QTRX	Quanterix Corp	Jun 6, 2025	2	$1.13M	4	Jun 9, 2025	Director
QTRX	Quanterix Corp	Apr 1, 2025	1	$14.4K	4	Apr 3, 2025	Director
QTRX	Quanterix Corp	Jan 2, 2025	2	$0	4	Jan 6, 2025	Director
QTRX	Quanterix Corp	Aug 20, 2024	3	$625K	4	Sep 17, 2024	Director
QTRX	Quanterix Corp	Jan 2, 2024	2	$0	4	Jan 4, 2024	Director
QTRX	Quanterix Corp	Jan 3, 2023	2	$0	4	Jan 4, 2023	Director
QTRX	Quanterix Corp	Aug 10, 2022	1	$1.29M	4	Aug 10, 2022	Director
QTRX	Quanterix Corp	Jan 3, 2022	2	$0	4	Jan 5, 2022	Director