Quanterix Corp — Director's Dealing 2019

Aug 22, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2019-08-20

Reporting Person: DEKKERS MARIJN E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-08-20	Common Stock	S	59171	$12.92	Disposed	35128	Direct
2019-08-20	Common Stock	S	30588	$15.00	Disposed	4540	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	27619	Indirect

Footnotes

F1: On August 20, 2019, the Reporting Person transferred an aggregate of 117,378 shares of common stock of Quanterix Corporation (the "Issuer") to Novalis LifeSciences Investments I, L.P (the "Fund"). As the sole member of Novalis LifeSciences Investments I GP, LLC, the general partner of the Fund, the Reporting Person continues to have sole voting and investment control over all of the shares transferred to the Fund. Of the 117,378 shares transferred to the Fund, the Reporting Person's pecuniary interest with respect to 27,619 of the shares did not change. This Form 4 is filed to report the transfer of 89,759 of the shares to the Fund over which the Reporting Person continues to have voting and investment control, but not a pecuniary interest. The shares were transferred to the Fund based on the prices at which the Reporting Person originally purchased the shares from the Issuer.

F2: Includes 2,270 restricted stock units.

F3: Reflects the portion of the 117,378 shares transferred to the Fund over which the Reporting Person has a pecuniary interest.