Masoud Toloue - 04 Feb 2025 Form 4 Insider Report for Quanterix Corp (QTRX)

Role: President & CEO, Director
Signature: /s/ Brian Keane, as Attorney-in-Fact
Issuer symbol: QTRX
Transactions as of: 04 Feb 2025
Net transactions value: $0
Form type: 4
Filing time: 06 Feb 2025, 17:00:43 UTC
Previous filing: 04 Feb 2025
Next filing: 19 Feb 2025
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	+138,790	+41%	$0.000000	478,509	04 Feb 2025	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	+454,641		$0.000000	454,641	04 Feb 2025	Common Stock	454,641	$8.43	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 4, 2026, and the remaining 75% vest in 36 equal monthly installments on the 15th of each month beginning on March 15, 2026.
F2	Includes 258,027 restricted stock units.
F3	The option vests as to 25% of the shares on February 4, 2026, and the remaining 75% vests in 36 equal monthly installments on the 15th of each month beginning on March 15, 2026.