E. Kevin Hrusovsky - Apr 25, 2022 Form 4 Insider Report for Quanterix Corp (QTRX)

Role: Executive Chairman, Director
Signature: /s/ Brian Keane, as Attorney-in-Fact
Stock symbol: QTRX
Transactions as of: Apr 25, 2022
Transactions value $: $0
Form type: 4
Date filed: 4/27/2022, 04:02 PM
Previous filing: Apr 5, 2022
Next filing: May 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QTRX	Common Stock	Award	$0	+25.6K	+2.89%	$0.00	913K	Apr 25, 2022	Direct	F1, F2

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 Options (Right to buy)	Award	$0	+59.7K		$0.00	59.7K	Apr 25, 2022	Common Stock	59.7K	$24.40	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Represents shares of stock issuable upon vesting of restricted stock units (RSUs). The RSUs vest as to 25% of the shares on April 25, 2023, with the remaining 75% vesting in 36 equal monthly installments at the end of each month thereafter beginning on April 30, 2023.
F2	Includes 64,808 restricted stock units and 39,815 shares of common stock that are subject to performance based vesting.
F3	The option vests as to 25% of the shares on April 25, 2023, and the remaining 75% vests in 36 equal monthly installments at the end of each month beginning on April 30, 2023.