UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 4, 2019

QUANTERIX CORPORATION

(Exact name of registrant as specified in its charter)

Delaware		001-38319		20-8957988
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

900 Middlesex Turnpike Billerica, MA		01821
(Address of principal executive offices)		(zip code)

Registrant’s telephone number, including area code: (617) 301-9400

113 Hartwell Avenue

Lexington, MA 02421

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading symbol(s)		Name of each exchange on which registered
Common Stock, $0.001 par value per share		QTRX		The Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging Growth Company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 8.01 Other Events.

On June 4, 2019, Quanterix Corporation issued a press release announcing (1) that it issued approximately 2.2 million shares of common stock last week under an at-the-market equity, or ATM, facility, raising $49.7 million in gross proceeds and (2) that it will unveil its Simoa HD-X Analyzer™, at the BIO International Convention, in Philadelphia, during a presentation by its Chairman and CEO, Kevin Hrusovsky, taking place June 5th at 10:45 a.m., EDT, in Theater 3. A copy of the press release is furnished as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		Press Release dated June 4, 2019.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	QUANTERIX CORPORATION

	By:	/s/ Amol Chaubal
		Amol Chaubal
		Chief Financial Officer

Date: June 4, 2019