v3.25.4
Common shares and Treasury stock
 12 Months Ended
Dec. 31, 2025
Equity [Abstract]  
Common shares and Treasury stock 14. Common shares and Treasury stock
Change in Number of Shares
Number of
ordinary shares
Balance at January 1, 2024
55,765,091
of which Common shares
61,165,663
of which Treasury stock
(5,400,572)
Issuance of shares under share option and free share plans (1)
(3,420,824)
Treasury Shares Issued for RSU Vesting
2,366,158
Treasury Shares Issued for LUS Vesting
1,953,761
Treasury Shares Retired (1)
3,590,000
Share repurchase program
(5,976,764)
Balance at December 31, 2024
54,277,422
of which Common shares
57,744,839
of which Treasury stock
(3,467,417)
Issuance of shares under share option and free share plans (2)
(2,084,944)
Treasury Shares Issued for RSU Vesting
2,157,390
Treasury Shares Issued for LUS Vesting
—
Treasury Shares Retired (2)
2,195,000
Share repurchase program
(5,393,002)
Balance at December 31, 2025
51,151,866
of which Common shares
55,659,895
of which Treasury stock
(4,508,029)
(1) Adopted by the Board of Directors on April 25, 2024 and December 5, 2024
(2) Adopted by the Board of Directors on December 8, 2025