Quanterix Corp — Director's Dealing 2021

Jul 6, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2021-06-21

Reporting Person: Mattoon Dawn (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-15	Common Stock	S	696.00	$64.3338	Disposed	36884.00	Direct
2021-07-01	Common Stock	M	9806.00	$22.12	Acquired	46690.00	Direct
2021-07-01	Common Stock	S	5093.00	$58.0732	Disposed	41597.00	Direct
2021-07-01	Common Stock	S	3361.00	$58.9102	Disposed	38236.00	Direct
2021-07-02	Common Stock	S	168.00	$57.6396	Disposed	38068.00	Direct
2021-07-02	Common Stock	S	52.00	$58.3881	Disposed	38016.00	Direct
2021-07-02	Common Stock	S	127.00	$59.3432	Disposed	37889.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-07-01	Stock Option (right to buy)	$22.12	M	9806.00	Disposed	2028-02-23	Common Stock (9806.00)	Direct

Footnotes

F1: The reporting person was not informed of this transaction until June 30, 2021. However, under SEC rules, the deemed execution date is the third trading day following the date of the transaction.

F2: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2021.

F3: Includes 16,966 restricted stock units.

F4: This transaction was executed in multiple trades at prices ranging from $57.57 to $58.52. 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: This transaction was executed in multiple trades at prices ranging from $58.64 to $59.27. 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.

F6: The sales of shares reported on this Form 4 were made solely to cover tax obligations upon the vesting of 750 RSUs.

F7: This transaction was executed in multiple trades at prices ranging from $57.13 to $58.11. 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.

F8: This transaction was executed in multiple trades at prices ranging from $58.17 to $59.03. 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.

F9: This transaction was executed in multiple trades at prices ranging from $59.17 to $59.51. 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.

F10: The option vests as to 25% of the shares on February 23, 2019 and vests as to an additional 2.083% of the shares per month for 36 months thereafter.