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Earnings Per Common Share
 9 Months Ended
Sep. 30, 2025
Earnings Per Share [Abstract]  
Earnings Per Common Share Earnings Per Common Share
Basic earnings per common share (“EPS”) and diluted EPS are calculated by dividing net income (loss) attributable to Tutor Perini Corporation by the following: for basic EPS, the weighted-average number of common shares outstanding during the period; and for diluted EPS, the sum of the weighted-average number of both outstanding common shares and potentially dilutive securities, which for the Company can include restricted stock units (“RSUs”) and unexercised stock options. The Company calculates the effect of the potentially dilutive RSUs and stock options using the treasury stock method.
Three Months Ended September 30,Nine Months Ended September 30,
(in thousands, except per common share data)2025202420252024
Net income (loss) attributable to Tutor Perini Corporation$3,631 $(100,862)$51,603 $(84,290)
Weighted-average common shares outstanding, basic52,743 52,408 52,669 52,276 
Effect of dilutive RSUs and stock options921 — 621 — 
Weighted-average common shares outstanding, diluted53,664 52,408 53,290 52,276 
Net income (loss) attributable to Tutor Perini Corporation per common share:
Basic$0.07 $(1.92)$0.98 $(1.61)
Diluted$0.07 $(1.92)$0.97 $(1.61)
Anti-dilutive securities not included above— 1,817 167 1,388 
For the three and nine months ended September 30, 2024, all outstanding RSUs and stock options were excluded from the calculation of weighted-average diluted shares outstanding, as the shares have an anti-dilutive effect due to the net loss for the periods.
Refer to Note 19, Business Segments, for additional details on significant impacts to net income (loss) and diluted EPS.