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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2025
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE
Basic earnings per share of Class A common stock is computed by dividing Net income attributable to Shake Shack Inc. by the weighted average number of shares of Class A common stock outstanding during the period. Diluted earnings per share of Class A common stock is computed by dividing Net income attributable to Shake Shack Inc. by the weighted average number of shares of Class A common stock outstanding adjusted to give effect to potentially dilutive securities.
The following table sets forth reconciliations of the numerators and denominators used to compute basic and diluted earnings per share of Class A common stock (in thousands, except per share amounts):
202520242023
Numerator:
Net income attributable to Shake Shack Inc.—basic$45,725 $10,207 $20,264 
Reallocation of net income attributable to non-controlling interests from the assumed conversion of Class B shares— 613 726 
Net income attributable to Shake Shack Inc.—diluted$45,725 $10,820 $20,990 
Denominator:
Weighted average shares of Class A common stock outstanding—basic40,212 39,830 39,419 
Effect of dilutive securities:
Stock options2 52 75 
Performance stock units35 69 11 
Restricted stock units131 173 85 
Convertible Notes1,467 1,467 1,467 
Shares of Class B common stock— 2,612 2,842 
Weighted average shares of Class A common stock outstanding—diluted41,847 44,203 43,899 
Earnings per share of Class A common stock—basic$1.14 $0.26 $0.51 
Earnings per share of Class A common stock—diluted$1.09 $0.24 $0.48 
The effect of potential share settlement of the Convertible Notes outstanding for the period is included as potentially dilutive shares of Class A common stock under application of the if-converted method in the computation of diluted earnings per share, except when the effect would be anti-dilutive. Refer to Note 8, Debt, for additional information.
Shares of Class B common stock do not share in the earnings or losses of Shake Shack and are therefore not participating securities. As such, separate presentation of basic and diluted earnings per share of Class B common stock under the two-class method has not been presented. However, shares of Class B common stock outstanding for the period are considered potentially dilutive shares of Class A common stock under application of the if-converted method and are included in the computation of diluted earnings per share, except when the effect would be anti-dilutive.
The following table presents potentially dilutive securities excluded from the computations of diluted earnings per share of Class A common stock:
202520242023
Performance stock units120,706 (1)50,556 (1)99,718 (1)
Shares of Class B common stock2,434,789 (2)— — 
(1)Number of securities outstanding at the end of the period that were excluded from the computation of diluted earnings per share of Class A common stock because the performance conditions associated with these awards were not met assuming the end of the reporting period was the end of the performance period.
(2)Number of securities outstanding at the end of the period that were excluded from the computation of diluted earnings per share of Class A common stock because the effect would have been anti-dilutive.