Vandana Sriram - 04 Feb 2026 Form 4 Insider Report for Quanterix Corp (QTRX)

Role
Chief Financial Officer
Signature
/s/ Bonnie McManus, as Attorney-in-Fact
Issuer symbol
QTRX
Transactions as of
04 Feb 2026
Net transactions value
$0
Form type
4
Filing time
06 Feb 2026, 18:58:51 UTC
Previous filing
20 Jan 2026
Next filing
18 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sriram Vandana Chief Financial Officer C/O QUANTERIX CORPORATION, 900 MIDDLESEX TURNPIKE, BILLERICA /s/ Bonnie McManus, as Attorney-in-Fact 06 Feb 2026 0001908223

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction QTRX Common Stock Tax liability $0 -4,395 -5.1% $0.000000 81,618 04 Feb 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 12,678 restricted stock units (RSUs).
F2 Includes 55,884 RSUs