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

3 Months Ended

Mar. 31, 2019

Schedule of Earnings Per Share, Basic and Diluted

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 March 31,
	2019			2018

	(unaudited)
	(in thousands, except per share data)
Net loss	$	(21,351	)	$	(13,844	)
Fair value adjustment of redeemable noncontrolling interest	(4,700		)	—
Net loss attributable to Guardant Health, Inc. common stockholders, basic and diluted	$	(26,051	)	$	(13,844	)
Net loss per share attributable to Guardant Health, Inc. common stockholders, basic and diluted	$	(0.30	)	$	(1.16	)
Weighted-average shares used in computing net loss per share attributable to Guardant Health, Inc. common stockholders, basic and diluted	85,935			11,920

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

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 March 31,
	2019	2018

	(unaudited)
	(in thousands)
Convertible preferred stock (on an as if converted basis)	—	58,265
Stock options issued and outstanding	7,503	7,457
Unvested restricted stock units	78	—
ESPP obligation	59	—
Preferred stock warrants (on an as if converted basis)	—	8
Common stock warrants	—	312
Common stock subject to repurchase	41	19
Total	7,681	66,061