​

​

June 30, 

​

December 31, 

​

​

2026

​

2025

​

​

€1,000

​

€1,000

Payments from Eli Lilly and Company

​

17,644

​

17,552

Payments from Rett Syndrome Research Trust

​

—

​

—

Current portion

​

17,644

​

17,552

​

​

​

​

​

Payments from Eli Lilly and Company

​

10,510

​

21,394

Non-current portion

​

10,510

​

21,394

​

​

​

​

​

Total

​

28,154

​

38,946