Scott Mendel - 02 Jan 2026 Form 4 Insider Report for Quanterix Corp (QTRX)

Role
Director
Signature
/s/ Bonnie McManus, Attorney-in-Fact
Issuer symbol
QTRX
Transactions as of
02 Jan 2026
Net transactions value
$0
Form type
4
Filing time
06 Jan 2026, 17:45:43 UTC
Previous filing
03 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mendel Scott Director C/O QUANTERIX CORPORATION, 900 MIDDLESEX TURNPIKE, BILLERICA /s/ Bonnie McManus, Attorney-in-Fact 06 Jan 2026 0001515051

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction QTRX Common Stock Award $0 +23,372 +76% $0.000000 54,109 02 Jan 2026 Direct F1, F2
transaction QTRX Common Stock Award $0 +1,944 +3.6% $0.000000 56,053 02 Jan 2026 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents restricted stock units that vest as to 100% of the shares on January 2, 2027 granted pursuant to the Quanterix Corporation Amended and Restated Non-Employee Director Compensation Policy. Each restricted stock unit represents the right to receive one share of the Issuer's common stock.
F2 Includes 47,836 restricted stock units.
F3 Consists of stock granted in lieu of cash fees for service on the Company's Board of Directors and committees thereof for the fourth quarter of 2025.