X0306 4 2019-10-01 false 0001503274 Quanterix Corp QTRX 0001033876 MEISTER PAUL M C/O QUANTERIX CORPORATION, 113 HARTWELL AVENUE LEXINGTON MA 02421 true false false false Common Stock 2019-10-01 4 A false 642.00 21.41 A 6157.00 D Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the third quarter of 2019, pursuant to an election made in December 2018. Closing price of the Company's common stock on the Nasdaq Global Market on October 1, 2019. Includes 2,270 restricted stock units. /s/ Brian Keane, Attorney-in-fact 2019-10-03