SEC Form 4/A · accession 0001104659-18-045047

Quanterix Corp · QTRX

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

This is an amendment (Form 4/A). It replaces an earlier filing for the same period.

Reporting owner

Director

Period of report

Dec 11, 2017

Accepted (ET)

Jul 13, 2018 · 4:06 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001503274

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1	Dec 11, 2017	C	77,378	—	A	77,378	D
Common Stock^F2	Dec 11, 2017	P	40,000	$15.00	A	117,378	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series D-1 Preferred Stock^F1,F3,F4	—	Dec 11, 2017	C	248,694	D	—	—	Common Stock	77,378	0	D

F1The shares of preferred stock automatically converted 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 automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.
F2Reflects shares of common stock purchased in the Issuer's initial public offering. This amendment is being filed solely to report this purchase of shares of common stock, which was inadvertently omitted from the Form 4 filed on December 11, 2017.
F3These shares were 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.
F4Not applicable.