X0306 4 2020-07-01 false 0001503274 Quanterix Corp QTRX 0001033876 MEISTER PAUL M C/O QUANTERIX CORPORATION, 900 MIDDLESEX TURNPIKE BILLERICA MA 01821 true false false false Common Stock 2020-07-01 4 A false 494.00 27.80 A 10230.00 D Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the second quarter of 2020, pursuant to an election made in December 2019. Closing price of the Company's common stock on the Nasdaq Global Market on July 1, 2020. Includes 2,270 restricted stock units. /s/ Brian Keane, Attorney-in-fact 2020-07-06