v3.25.4
Common shares and Treasury stock (Details) - shares
 12 Months Ended
Jan. 31, 2025
Feb. 01, 2024
Dec. 07, 2023
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Common Stock, Shares Outstanding [Roll Forward]            
Beginning balance (in shares)       54,277,422 55,765,091  
Treasury stock beginning balance (in shares)       (3,467,417)    
Issuance of shares under share option and free share plans (in shares)       (2,084,944) (3,420,824)  
Treasury shares retired (in shares)       2,195,000 3,590,000  
Share repurchase program (in shares) (5,393,002) (5,976,764) (4,286,624) (5,393,002) (5,976,764)  
Ending balance (in shares)       51,151,866 54,277,422 55,765,091
Treasury stock (in shares)       4,508,029 3,467,417  
Treasury stock ending balance (in shares)       (4,508,029) (3,467,417)  
Restricted Stock Units (RSUs)            
Common Stock, Shares Outstanding [Roll Forward]            
Treasury shares issued for RSU vesting (in shares)       2,157,390 2,366,158  
Lock-up shares            
Common Stock, Shares Outstanding [Roll Forward]            
Treasury shares issued for RSU vesting (in shares)       0 1,953,761  
Share capital            
Common Stock, Shares Outstanding [Roll Forward]            
Beginning balance (in shares)       57,744,839 61,165,663 63,248,728
Share repurchase program (in shares)       (2,195,000) [1] (3,590,000) [2] (2,185,000) [3]
Ending balance (in shares)       55,659,895 57,744,839 61,165,663
Treasury stock            
Common Stock, Shares Outstanding [Roll Forward]            
Treasury stock beginning balance (in shares)       (3,467,417) (5,400,572) (5,985,104)
Share repurchase program (in shares)       (1,040,612) [1] (1,933,155) [2] (584,532) [3]
Treasury stock (in shares)       4,508,029 3,467,417 5,400,572
Treasury stock ending balance (in shares)       (4,508,029) (3,467,417) (5,400,572)
[1] On January 31, 2025, Criteo's Board of Directors authorized an extension of the share repurchase program to up to $805.0 million of the Company's outstanding American Depositary Shares. The change in treasury stocks is
comprised of 5,393,002 shares repurchased at a weighted average price of $28.2 offset by 2,157,390 treasury shares used for RSUs vesting and by 2,195,000 treasury shares cancelled.
[2] On February 1, 2024, Criteo's Board of Directors authorized an extension of the share repurchase program to up to $630.0 million of the Company's outstanding American Depositary Shares. The change in treasury stocks is
comprised of 5,976,764 shares repurchased at an average price of $37.6 offset by 2,366,158 treasury shares used for RSUs vesting, by 1,953,761 treasury shares used for LUSs vesting and by 3,590,000 treasury shares cancelled.
[3] On December 7, 2023, Criteo's Board of Directors extended a share repurchase program to up to $480.0 million of the Company's outstanding American Depositary Shares. The change in treasury stocks is comprised of 4,286,624
shares repurchased at an average price of $30.0 offset by 1,679,674 treasury shares used for RSUs vesting, by 1,006,482 treasury shares used for LUSs vesting and by 2,185,000 treasury shares cancelled.