| Summary of share options |
| | | | | | | | | | | Weighted- | | Weighted- | | | | | average | | average | | | Number of | | exercise price | | remaining | | | options | | (CHF) | | term (years) | Outstanding at January 1, 2024 | | 4,949,177 | | 4.11 | | 7.2 | Forfeited during the year | | (135,118) | | 3.28 | | — | Expired during the year | | (205,634) | | 5.41 | | — | Exercised during the year | | (4,278) | | 3.11 | | — | Granted during the year | | 406,680 | | 3.40 | | — | Outstanding at December 31, 2024 | | 5,010,827 | | 4.50 | | 6.3 | Exercisable at December 31, 2024 | | 4,097,932 | | 4.79 | | 5.9 | Outstanding at January 1, 2025 | | 5,010,827 | | 4.50 | | 6.3 | Forfeited during the period | | (53,954) | | 3.42 | | — | Expired during the period | | (51,448) | | 1.81 | | — | Exercised during the period | | (15,000) | | 0.15 | | | Granted during the period | | 369,231 | | 2.63 | | — | Outstanding at June 30, 2025 | | 5,259,656 | | 4.42 | | 6.3 | Exercisable at June 30, 2025 | | 4,490,957 | | 4.69 | | 6.0 |
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| Summary of restricted share awards |
| | | | | | | | | Weighted- | | | | | average | | | Number of | | grant date fair | | | shares | | value (CHF) | Non-vested at January 1, 2024 | | 1,003,743 | | 1.97 | Forfeited during the year | | (97,841) | | 3.26 | Exercised during the year | | (99,018) | | 2.54 | Granted during the year | | 1,094,876 | | 4.04 | Vested during the year | | (1,064,554) | | 3.05 | Non-vested at December 31, 2024 | | 822,740 | | 3.12 | Vested and exercisable at December 31, 2024 | | 1,377,903 | | 3.25 | Non-vested at December 31, 2024 | | 822,740 | | 3.12 | Forfeited during the period | | (74,085) | | 3.44 | Exercised during the period | | (56,630) | | 2.72 | Cancelled during the period | | (34,612) | | 2.04 | Granted during the period | | 1,303,342 | | 2.43 | Vested during the period | | (491,585) | | 2.60 | Non-vested at June 30, 2025 | | 1,549,046 | | 2.72 | Vested and exercisable at June 30, 2025 | | 1,789,612 | | 3.09 |
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