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Quanterix Corp Director's Dealing 2026

Jan 20, 2026

33531_dirs_2026-01-20_ed5f0fb2-a6ea-443d-994e-d52dd909408c.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Quanterix Corp (QTRX)
CIK: 0001503274
Period of Report: 2026-01-16

Reporting Person: Toloue Masoud (N/A)

Non-Derivative Transactions

Date Security Code Shares Price A/D Holdings After Ownership
2026-01-15 Common Stock F 1817.00 $7.95 Disposed 507310.00 Direct

Footnotes

F1: Shares withheld by Quanterix Corporation solely to cover tax obligations upon vesting of 3,722 restricted stock units (RSUs).

F2: QTRX year-end reconciliation revealed a variance of 681 shares. Corrected balance as shown

F3: Includes 206,398 RSUs.