Quanterix Corp — Director's Dealing 2021

Nov 8, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2021-11-04

Reporting Person: Mattoon Dawn (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-04	Common Stock	S	1.00	$57.00	Disposed	36514.00	Direct
2021-11-05	Common Stock	M	10718.00	$19.12	Acquired	47232.00	Direct
2021-11-05	Common Stock	S	8335.00	$57.2493	Disposed	38897.00	Direct
2021-11-05	Common Stock	S	200.00	$58.3925	Disposed	38697.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-11-05	Stock Option (right to buy)	$19.12	M	10718.00	Disposed	2028-05-10	Common Stock (10718.00)	Direct

Footnotes

F1: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2021.

F2: Includes 13,966 restricted stock units.

F3: This transaction was executed in multiple trades at prices ranging from $57.00 to $57.975. The price reported reflects the weighted average sale price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4: This transaction was executed in multiple trades at prices ranging from $58.35 to $58.435.The price reported reflects the weighted average sale price. The reporting person undertakes to provide upon request to the SEC staff, the issuer or any security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5: The option vests as to 25% of the shares on May 10, 2019 and vests as to an additional 2.083% of the shares per month for 36 months thereafter.