MICHAEL A. DOYLE - 02 Feb 2023 Form 4 Insider Report for Quanterix Corp (QTRX)

Role: CFO and Treasurer
Signature: /s/ Brian Keane, as Attorney-in-Fact
Issuer symbol: QTRX
Transactions as of: 02 Feb 2023
Net transactions value: $0
Form type: 4
Filing time: 06 Feb 2023, 15:07:47 UTC
Previous filing: 02 Feb 2023
Next filing: 01 Mar 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	QTRX	Common Stock	Award	$0	+41,692	+86%	$0.000000	90,118	02 Feb 2023	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 Option (right to buy)	Award	$0	+97,281		$0.000000	97,281	02 Feb 2023	Common Stock	97,281	$14.82	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 on vesting of restricted stock units. The restricted stock units vest as to 25% of the shares on February 2, 2024, and the remaining 75% vest in 36 equal monthly installments at the end of each month beginning on March 15, 2024.
F2	Includes 58,590 restricted stock units.
F3	The option vests as to 25% of the shares on February 2, 2024, and the remaining 75% vests in 36 equal monthly installments at the end of each month beginning on March 15, 2024.