v3.24.0.1
Common Stock (Tables)
 12 Months Ended
Dec. 31, 2023
Equity [Abstract]  
Summary of Restricted Stock Activity
The activities for the restricted stock issued to employees was as follows (in thousands, except per share data):
Number of
Shares		Weighted-
Average
Grant Date
Fair Value Per Share
Unvested restricted stock as of December 31, 2022472 
Granted— $— 
Vested(186)$76.91 
Forfeited(1)$76.91 
Unvested restricted stock as of December 31, 2023285 
Summary of Common Stock Reserved for Future Issuance
The following table summarizes the Company’s shares of common stock reserved for future issuance on an as-converted basis (in thousands):
December 31, 2022December 31, 2023
Stock options issued and outstanding under the 2014 Plan and Inducement Plan16,021 9,022 
RSUs outstanding under the 2014 Plan, 2020 Plan and Inducement Plan45,131 37,822 
Remaining shares available for future issuance39,995 50,137 
Shares available for issuance under the 2020 Employee Stock Purchase Plan6,499 6,499 
Total107,646 103,480 
Schedule of Non-vested Performance Shares
Company Stock 
Price Target		Number of RSUs
Eligible to Vest
1$187.60518,950
2$226.80518,950
3$265.801,037,900
4$305.001,037,900
5$344.001,037,900
6$383.001,556,850
7$422.201,556,850
8$461.201,556,850
9$501.001,556,850
Schedule of Activity under the 2014 and 2020 Plans
A summary of activity under the 2014 Plan, 2020 Plan, and Inducement Plan was as follows (in millions, except share amounts which are reflected in thousands, and per share data):
Options Outstanding
Shares
subject to
Options
Outstanding		Weighted-
Average
Exercise
Price		Weighted-
Average
Remaining
Contractual
Term
(in years)		Aggregate
Intrinsic
Value
Balance as of December 31, 202216,021 $2.84 3.48$737 
Granted— $— 
Exercised(6,999)$0.87 $510 
Cancelled and forfeited— $— 
Balance as of December 31, 20239,022 $4.38 3.41$853 
Exercisable as of December 31, 20238,747 $4.39 3.43$827 
Vested and expected to vest as of December 31, 20239,022 $4.38 3.41$853 
Summary of RSU Activity
The summary of RSU activity was as follows (in millions, except share amounts which are reflected in thousands, and per share data):
Number of
Shares		Weighted-
Average
Grant Date
Fair Value		Aggregate
Intrinsic
Value
Unvested RSUs as of December 31, 202244,805 $2,167 
Granted14,741 $65.06 
Vested(25)$74.53 
Vested and settled(16,420)$76.07 
Forfeited(5,309)$85.47 
Unvested RSUs as of December 31, 202337,792 $3,645 
Schedule of Assumptions used to Estimate the Fair Value of Stock Options Granted The assumptions used to estimate the fair value of stock options assumed via acquisition for the periods presented were as follows:
Year Ended December 31,
202120222023
Expected volatility—69.13%—
Risk-free rate—2.29%—
Dividend yield———
Expected term (in years)—1.69—
Schedule of Stock-based compensation Expense
The Company recorded stock-based compensation expense in the consolidated statements of operations as follows (in millions):
Year Ended December 31,
202120222023
Cost of revenue, exclusive of depreciation and amortization$46 $102 $139 
Sales and marketing52 98 119 
Research and development182 365 466 
General and administrative206 313 364 
Restructuring charges— 11 — 
Total stock-based compensation expense$486 $889 $1,088