Martin Madaus - Jan 3, 2023 Form 4 Insider Report for Quanterix Corp (QTRX)

Role: Director
Signature: /s/ Brian Keane, Attorney-in-Fact
Stock symbol: QTRX
Transactions as of: Jan 3, 2023
Transactions value $: $0
Form type: 4
Date filed: 1/4/2023, 03:03 PM
Previous filing: Aug 10, 2022
Next filing: Feb 8, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QTRX	Common Stock	Award	$0	+8.08K	+43.83%	$0.00	26.5K	Jan 3, 2023	Direct	F1, F2
holding	QTRX	Common Stock						255K	Jan 3, 2023	Held by trust.

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	QTRX	Stock Option (Right to Buy)	Award	$0	+12.1K		$0.00	12.1K	Jan 3, 2023	Common Stock	12.1K	$12.86	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units that vest as to 100% of the shares on December 31, 2023 granted pursuant to the Quanterix Corporation Amended and Restated 2018 Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock.
F2	Includes 8,083 restricted stock units.
F3	Represents non-qualified stock option to purchase 12,124 shares of common stock granted pursuant to the Quanterix Corporation Amended and Restated 2018 Non-Employee Director Compensation Policy.