Quanterix Corp — Director's Dealing 2017

Dec 7, 2017

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2017-12-06

Reporting Person: WALT DAVID R (Director)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	396701	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Series A-1 Preferred Stock	$		Common Stock (32959)		Direct
Series A-2 Preferred Stock	$		Common Stock (86517)		Direct
Series B Preferred Stock	$		Common Stock (334985)		Direct
Series C Preferred Stock	$		Common Stock (28691)		Direct
Series D Preferred Stock	$		Common Stock (135647)		Direct

Footnotes

F1: Reflects the 1-for-3.214 reverse stock split of the Issuer's common stock effected on December 4, 2017 in connection with the Issuer's initial public offering.

F2: These shares are convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F3: Not applicable.

F4: The shares of preferred stock will convert into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock will convert on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.