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Earnings Per Common Share | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Earnings Per Common Share | Earnings Per Common ShareBasic 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) | 2023 | 2022 |  | 2023 | 2022
Net loss attributable to Tutor Perini Corporation | $ | (36,896) |  | $ | (32,455) |  |  | $ | (123,626) |  | $ | (117,092) |
Weighted-average common shares outstanding, basic | 51,994 |  | 51,404 |  |  | 51,784 |  | 51,263 |
Effect of dilutive RSUs and stock options | — |  | — |  |  | — |  | — |
Weighted-average common shares outstanding, diluted | 51,994 |  | 51,404 |  |  | 51,784 |  | 51,263 |
Net loss attributable to Tutor Perini Corporation per common share: |  |  |  |  |
Basic | $ | (0.71) |  | $ | (0.63) |  |  | $ | (2.39) |  | $ | (2.28) |
Diluted | $ | (0.71) |  | $ | (0.63) |  |  | $ | (2.39) |  | $ | (2.28) |
Anti-dilutive securities not included above | 3,077 |  | 3,011 |  |  | 3,032 |  | 3,280 |
For both the three and nine months ended September 30, 2023 and 2022, 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.

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