Appointment of Chief Operating Officer

Quanterix Corporation announced the appointment of Anthony Catalano as Chief Operating Officer, effective May 14, 2026. Mr. Catalano brings extensive experience in operations and development from his previous roles at Flagship Pioneering, Akoya Biosciences, Bruker Cellular Analysis, and Revvity, Inc. His compensation package includes an annual base salary of $400,000, a $50,000 sign-on bonus, and eligibility for an annual performance bonus of up to 50% of his base salary. Additionally, he received a long-term equity incentive award of restricted stock units (RSUs) equivalent to 0.30% of the company's outstanding common stock, vesting over four years. The agreement outlines severance benefits in case of termination without cause or resignation for good reason, including salary continuation, pro-rated target bonus, and continued health benefits. Enhanced benefits, including a longer severance period and accelerated equity vesting, are provided in the event of termination within a specified timeframe around a Change-in-Control. Michael Miller transitions from COO to Chief Technology and Products Officer.