Quanterix Corporation

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. (b) On Novemb

of this Form 8-K and shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934 (“Exchange Act”) or otherwise subject to the li

Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 99.1 Press Release dated November 20 , 2025 104 Cover Page Interactive Data File (embedd