EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 23, 2020

The following table sets forth reconciliations of the numerators and denominators used to compute basic and diluted earnings (loss) per share of Class A common stock for the thirteen and thirty-nine weeks ended September 23, 2020 and September 25, 2019.


			Thirteen Weeks Ended				Thirty-Nine Weeks Ended
			September 23 2020		September 25 2019		September 23 2020		September 25 2019
Numerator:
	Net income (loss)		$	(6,110)	$	11,423	$	(25,220)	$	26,201
	Less: net income (loss) attributable to non-controlling interests		(551)		1,079		(2,490)		4,281
	Net income (loss) attributable to Shake Shack Inc.		$	(5,559)	$	10,344	$	(22,730)	$	21,920
Denominator:
	Weighted-average shares of Class A common stock outstanding—basic		38,251		31,961		36,668		30,549
	Effect of dilutive securities:
		Stock options	—		824		—		777
		Performance stock units	—		50		—		64
		Restricted stock units	—		81		—		51
	Weighted-average shares of Class A common stock outstanding—diluted		38,251		32,916		36,668		31,441

Earnings (loss) per share of Class A common stock—basic			$	(0.15)	$	0.32	$	(0.62)	$	0.72
Earnings (loss) per share of Class A common stock—diluted			$	(0.15)	$	0.31	$	(0.62)	$	0.70

The following table presents potentially dilutive securities, as of the end of the period, excluded from the computations of diluted earnings (loss) per share of Class A common stock for the thirteen and thirty-nine weeks ended September 23, 2020 and September 25, 2019.


	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	September 23 2020		September 25 2019		September 23 2020		September 25 2019
Stock options	764,902	(1)	—		764,902	(1)	—
Performance stock units	139,081	(1)	66,101	(2)	139,081	(1)	66,101	(2)
Restricted stock units	262,232	(1)	—		262,232	(1)	—
Shares of Class B common stock	3,112,002	(3)	3,809,347	(3)	3,112,002	(3)	3,809,347	(3)

(1) Represents number of instruments 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.

(2) 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.

(3) Shares of our Class B common stock outstanding as of the end of the period are considered potentially dilutive shares of Class A common stock. Amounts have been excluded from the computations of diluted earnings per share of Class A common stock because the effect would have been anti-dilutive under the if-converted and two-class methods.