v3.19.3

Redeemable Convertible Preferred Stock, Common Stock, and Equity (Deficit) (Tables)

9 Months Ended

Sep. 30, 2019

Equity [Abstract]

Summary of Activity in Restricted Common Stock

The following table summarizes the activity related to the Company’s restricted common stock for the nine months ended September 30, 2019 (in thousands, except per share amounts):

		Number of Shares			Weighted-average Grant-Date Fair Value per Share
Unvested restricted common stock as of December 31, 2018		898			$	34.81
Vested		(485	)		$	34.84
Canceled and forfeited		(61	)		$	34.57
Unvested restricted common stock as of September 30, 2019		352			$	34.77

Summary of Stock Options and SAR Activity

A summary of stock option and SAR activity for the nine months ended September 30, 2019 is as follows (in millions, except share amounts which are reflected in thousands, per share amounts, and years):

		SARs Outstanding Number of SARs			Options Outstanding Number of Shares			Weighted-Average Exercise Price Per Share				Weighted-Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value
As of December 31, 2018		758			42,936			$	9.22			5.74		$	1,456
Granted		86			250			$	43.00
Exercised		—			(1,272	)		$	2.55
Canceled and forfeited		(13	)		(1,382	)		$	33.19
As of September 30, 2019		831			40,532			$	8.89			4.89		$	934
Vested and expected to vest as of September 30, 2019		648			35,145			$	4.58			4.63		$	933
Exercisable as of September 30, 2019		648			35,145			$	4.58			4.63		$	933

Schedule of Restricted Stock Units Activity

The following table summarizes the activity related to the Company’s RSUs for the nine months ended September 30, 2019. For purposes of this table, vested RSUs represent the shares for which the service condition had been fulfilled during nine months ended September 30, 2019 (in thousands, except per share amounts):

		Number of Shares			Weighted-Average Grant-Date Fair Value per Share
Unvested and outstanding as of December 31, 2018		75,835			$	37.20
Granted		52,859			$	43.67
Vested		(27,255	)		$	37.38
Canceled and forfeited		(10,440	)		$	40.40
Unvested and outstanding as of September 30, 2019		90,999			$	42.47

Schedule of Stock-Based Compensation Expense by Function

The following table summarizes total stock-based compensation expense by function for the three and nine months ended September 30, 2018 and 2019 (in millions):

		Three Months Ended September 30,								Nine Months Ended September 30,
		2018				2019				2018				2019
Operations and support		$	4			$	26			$	11			$	431
Sales and marketing		2				16				6				229
Research and development		49				262				60				2,822
General and administrative		9				97				70				871
Total		$	64			$	401			$	147			$	4,353

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Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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