v3.26.3
Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
Our basic and diluted earnings per common share are calculated as follows:
Three Months Ended September 30,Nine Months Ended September 30,
in thousands of U.S. dollars and share amounts (except per share amounts)2026202520262025
Earnings:
Net income$58,391 $48,400 $138,623 $43,102 
Less: Allocation to participating securities— — — 3 
Net income attributable to Sotera Health Company common shareholders$58,391 $48,400 $138,623 $43,099 
Weighted Average Common Shares:
Weighted-average common shares outstanding - basic
285,997 284,067 285,557 283,855 
Dilutive effect of potential common shares3,220 2,678 2,714 2,164 
Weighted-average common shares outstanding - diluted
289,217 286,745 288,271 286,019 
Earnings per Common Share:
Net income per common share attributable to Sotera Health Company common shareholders - basic$0.20 $0.17 $0.49 $0.15 
Net income per common share attributable to Sotera Health Company common shareholders - diluted0.20 0.17 0.48 0.15 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
Diluted earnings per share does not consider the following potential common shares as the effect would be anti-dilutive:
Three Months Ended September 30,Nine Months Ended September 30,
in thousands of share amounts2026202520262025
Stock options 2,956 5,543 3,973 5,570 
RSUs11 1 150 512 
Total anti-dilutive securities2,967 5,544 4,123 6,082