Vandana Sriram - 15 Aug 2025 Form 4 Insider Report for Quanterix Corp (QTRX)

Signature
/s/ Brian Keane, as Attorney-in-Fact
Issuer symbol
QTRX
Transactions as of
15 Aug 2025
Net transactions value
-$1,047
Form type
4
Filing time
19 Aug 2025, 16:38:22 UTC
Previous filing
17 Jul 2025
Next filing
17 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sriram Vandana Chief Financial Officer C/O QUANTERIX CORPORATION, 900 MIDDLESEX TURNPIKE, BILLERICA /s/ Brian Keane, as Attorney-in-Fact 19 Aug 2025 0001908223

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction QTRX Common Stock Tax liability $1,047 -229 -0.27% $4.57 83,050 15 Aug 2025 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 the vesting of 777 RSUs.
F2 Includes 72,447 restricted stock units.