Net Loss Per Share Attributable to Guardant Health, Inc. Common Stockholders

The following table sets forth the computation of the basic and diluted net loss per share attributable to Guardant Health, Inc. common stockholders:



	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018

	(unaudited)
	(in thousands, except per share data)
Net loss	$	(13,090	)	$	(23,508	)	$	(45,741	)	$	(58,991	)
Fair value adjustment of redeemable noncontrolling interest	300			(950		)	(4,700		)	(950		)
Net loss attributable to Guardant Health, Inc. common stockholders, basic and diluted	$	(12,790	)	$	(24,458	)	$	(50,441	)	$	(59,941	)
Net loss per share attributable to Guardant Health, Inc. common stockholders, basic and diluted	$	(0.14	)	$	(1.94	)	$	(0.56	)	$	(4.87	)
Weighted-average shares used in computing net loss per share attributable to Guardant Health, Inc. common stockholders, basic and diluted	93,303			12,582			89,452			12,300

Since the Company was in a loss position for all periods presented, basic net loss per share attributable to Guardant Health, Inc. common stockholders is the same as diluted net loss per share attributable to Guardant Health, Inc. common stockholders, as the inclusion of all potential shares of common stock outstanding would have been anti-dilutive. The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share attributable to Guardant Health, Inc. common stockholders for the periods presented as they had an anti-dilutive effect:



	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018

	(unaudited)
	(in thousands)
Convertible preferred stock (on an as if converted basis)	—	58,265	—	58,265
Stock options issued and outstanding	5,353	7,675	6,390	7,460
Unvested restricted stock units	338	—	179	—
ESPP obligation	42	—	62	—
Preferred stock warrants (on an as if converted basis)	—	8	—	8
Common stock warrants	—	203	—	237
Common stock subject to repurchase	28	54	33	43
Total	5,761	66,205	6,664	66,013