v3.26.1
Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Computation of Basic and Diluted Earnings Per Share
The following table summarizes the computation of basic and diluted EPS:
For the Three Months Ended June 30,For the Six Months Ended June 30,
 2026202520262025
 (In thousands,
except per share data)
Net income attributable to Amkor common stockholders$173,753 $54,417 $257,104 $75,545 
Weighted-average number of common shares outstanding - basic247,912 247,090 247,732 246,973 
Effect of dilutive securities:    
Share-based awards2,066 716 2,098 869 
Weighted-average number of common shares outstanding - diluted249,978 247,806 249,830 247,842 
Net income attributable to Amkor per common share:    
Basic$0.70 $0.22 $1.04 $0.31 
Diluted0.70 0.22 1.03 0.30 
Schedule of Antidilutive Effect of Potential Shares of Common Stock that were Excluded from Diluted Earnings Per Share
The following table summarizes the potential shares of common stock that were excluded from diluted EPS because the effect of including these potential shares was anti-dilutive:
For the Three Months Ended June 30,For the Six Months Ended June 30,
 2026202520262025
 (In thousands)
Share-based awards— 984 8 378