| Summary of capital structure |
| | | | | | | | | | | | | | | | | In CHF thousands | | | Common | | Treasury | | Share | | Share | | Treasury | | | shares | | shares | | capital | | premium | | shares | December 31, 2023 | | 104,441,787 | | (5,243,958) | | 2,089 | | 474,907 | | (105) | Proceeds from public offerings, net of underwriting fees and transaction costs | | — | | 30,232 | | — | | 103 | | 1 | Proceeds from sale of treasury shares in public offerings, net of underwriting fees and transaction costs | | 5,700,000 | | (5,700,000) | | 114 | | — | | (114) | Issuance of shares – incentive plans, net of transaction costs | | 1,168,363 | | 13,953 | | 23 | | 3,496 | | — | December 31, 2024 | | 111,310,150 | | (10,899,773) | | 2,226 | | 478,506 | | (218) | Issuance of shares – incentive plans, net of transaction costs | | 1,331,854 | | — | | 27 | | 3,357 | | — | December 31, 2025 | | 112,642,004 | | (10,899,773) | | 2,253 | | 481,863 | | (218) |
|