The Company operates a defined benefit pension plan in Switzerland (the “Plan”) and a defined contribution pension plan in the United Kingdom, in accordance with local regulations and practices. As of March 31, 2026, the Plan covers the Company’s employees in Switzerland with benefits in the event of death, disability, retirement, or termination of employment.


(in thousands)	Three Months Ended March 31, 2026		Three Months Ended March 31, 2025
Service cost	$	143	$	76
Interest cost	16		8
Expected return on plan assets	(39)		(19)

Amortization of unrecognized loss	—		3
Prior service credit recognized in current year	(3)		(2)
Net periodic benefit cost	$	117	$	66

The components of net periodic benefit cost other than the service cost component are included in general and administrative expense in the Company's condensed consolidated statements of operations and comprehensive loss.

For the three months ended March 31, 2026, contributions of $106 thousand (CHF 83 thousand) were made to the Plan. The Company presently anticipates contributing an additional estimated amount of $319 thousand (CHF 250 thousand) to fund the Plan in 2026 for a total of $425 thousand (CHF 333 thousand).