Quanterix Corp

Ownership Transactions Reported by 20 Insiders

	Insiders	Shares	%	Avg Price	Total $
Buys	1	+19K	74.5%	$10.90	+$207K
Sells	1	-6.5K	25.5%	$22.34	-$145K
Net	0	+12.5K	49%		+$61.9K

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Report Date
David R. Walt	Director	$38.8M			Jan 2, 2024
E. Kevin Hrusovsky	Executive Chairman, Director	$24.5M			Jul 5, 2022
Martin D. Madaus	Director	$7.65M			Jan 2, 2024
Masoud Toloue	President & CEO, Director	$4.59M	+$207K	+4.72%	Aug 31, 2024
Paul M. Meister	Director	$3.73M			Jul 1, 2024
Keith Crandell	Director	$3.53M			Apr 3, 2023
Michael A. Doyle	CFO and Treasurer	$2.38M			Sep 30, 2023
David C. Duffy	SVP R&D and CTO	$1.47M			Mar 23, 2022
John J. Fry	General Counsel & Secretary	$1.01M			Aug 1, 2022
Dawn Mattoon	Sr. VP, Diagnostics	$992K			Apr 1, 2022
Karen Flynn	Director	$711K			Jan 2, 2024
Mark T. Roskey	SVP, Strategic Partnerships	$601K			Apr 1, 2022
Sarah E. Hlavinka	Director	$568K			Jul 1, 2024
Brian J. Blaser	Director	$513K			Jan 2, 2024
Vandana Sriram	Chief Financial Officer	$478K			Aug 21, 2024
William P. Donnelly	Director	$426K			Jul 1, 2024
Laurie J. Olson	Director	$233K	-$145K	-38.4%	May 14, 2024
Jeffrey Thomas Elliott	Director	$136K			Aug 19, 2024
Shawn Stetson	Interim CFO and Treasurer	$127K			May 11, 2021
Marijn E. Dekkers	Director	$61.1K			Jan 11, 2021

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.