Related-party transactions (Details) SFr in Thousands	12 Months Ended
Dec. 31, 2025 CHF (SFr) person	Dec. 31, 2024 CHF (SFr) person	Dec. 31, 2023 CHF (SFr) person
Related-party transactions
Number of individuals, Board of Directors \| person	6	6	8
Number of individuals, Executive Management \| person	3	7	7
Short-term employee benefits	SFr 3,533	SFr 5,071	SFr 4,661
Post-employment benefits	418	476	446
Share-based compensation	3,051	3,571	3,251
Total compensation	SFr 7,002	SFr 9,118	SFr 8,358

The number of persons that are the included in Board of Directors excluding the Chief Executive Officer.

No definition available.

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- Definition

The number of persons that comprise key management of the entity that are Executive Management.

+ References

No definition available.

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- References

No definition available.

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