SEC Form 4 · accession 0001104659-17-073153

Quanterix Corp · QTRX

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

Reporting owner

Director

Period of report

Dec 11, 2017

Accepted (ET)

Dec 13, 2017 · 4:24 pm EST

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
Common Stock^F1	Dec 11, 2017	C	32,959	—	A	429,660	D
Common Stock^F1	Dec 11, 2017	C	86,517	—	A	516,177	D
Common Stock^F1	Dec 11, 2017	C	334,985	—	A	851,162	D
Common Stock^F1	Dec 11, 2017	C	28,691	—	A	879,853	D
Common Stock^F1	Dec 11, 2017	C	135,647	—	A	1,015,500	D
Common Stock^F2	Dec 11, 2017	P	200,000	$15.00	A	1,215,500	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series A-1 Preferred Stock^F1,F3,F4	—	Dec 11, 2017	C	105,931	D	—	—	Common Stock	32,959	0	D
Series A-2 Preferred Stock^F1,F3,F4	—	Dec 11, 2017	C	278,068	D	—	—	Common Stock	86,517	0	D
Series B Preferred Stock^F1,F3,F4	—	Dec 11, 2017	C	1,076,642	D	—	—	Common Stock	334,985	0	D
Warrant to Purchase Series C Preferred Stock (right to buy)^F5,F6	$3.3299	Nov 29, 2017	X	4,327	D	Mar 1, 2012	Nov 30, 2017	Series C Preferred Stock	4,327	3,767	D
Series C Preferred Stock^F5,F1,F3,F4	—	Nov 29, 2017	X	4,327	A	—	—	Common Stock	1,346	88,448	D
Warrant to Purchase Series C Preferred Stock (right to buy)^F5,F6	$3.3299	Nov 29, 2017	X	3,060	D	Jul 30, 2012	Nov 30, 2017	Series C Preferred Stock	3,060	707	D
Series C Preferred Stock^F5,F1,F3,F4	—	Nov 29, 2017	X	3,060	A	—	—	Common Stock	952	91,508	D
Warrant to Purchase Series C Preferred Stock (right to buy)^F5,F6	$3.3299	Nov 29, 2017	X	707	D	Nov 5, 2012	Nov 30, 2017	Series C Preferred Stock	707	0	D
Series C Preferred Stock^F5,F1,F3,F4	—	Nov 29, 2017	X	707	A	—	—	Common Stock	219	92,215	D
Series C Preferred Stock^F1,F3,F4	—	Dec 11, 2017	C	92,215	D	—	—	Common Stock	28,691	0	D
Series D Preferred Stock^F1,F3,F4	—	Dec 11, 2017	C	435,967	D	—	—	Common Stock	135,647	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 purchased in the Issuer's initial public offering.
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.
F5This transaction, which occurred prior to the Issuer's initial public offering of Common Stock, is being reported as required by Rule 16a-2(a) under the Securities Exchange Act of 1934, as amended.
F6Reflects the exercise of warrants to purchase Series C preferred stock on a cash basis at an exercise price of $3.3299 per share.