XML 59 R34.htm IDEA: XBRL DOCUMENT v3.22.4
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
We recorded stock-based compensation expense related to grants to employees on our consolidated statements of operations as follows (in thousands):
Year Ended December 31,
202220212020
Cost of revenue$57,309 $24,811 $10,626 
Research and development283,312 165,604 66,038 
Sales and marketing118,173 70,663 23,769 
General and administrative91,271 86,081 34,196 
Total stock-based compensation expense$550,065 $347,159 $134,629 
Unrecognized compensation expense is as follows (in thousands, except for weighted-average remaining vesting period):
December 31, 2022
Unrecognized Compensation ExpenseWeighted-Average Remaining Vesting Period (In Years)
Outstanding stock options$124,265 1.93
Unvested RSUs and PVUs$1,671,647 3.07
2020 ESPP$1,542 0.17
Schedule of Stock Options
A summary of our stock option activity is as follows:
Options Outstanding (1)
Stock
Options
Outstanding
Weighted-Average
Exercise
Price
Weighted-Average
Remaining
Contractual
Term
(In Years)
Balance as of December 31, 202040,457,875 $8.03 6.87
Granted1,325,352 $107.10 
Exercised(11,650,963)$5.72 
Forfeited, cancelled, or expired(906,223)$13.23 
Balance as of December 31, 202129,226,041 $13.28 6.26
Granted11,835,061 $26.68 
Exercised(4,512,850)$6.69 
Forfeited, cancelled, or expired(829,449)$35.06 
Balance as of December 31, 202235,718,803 $18.05 5.60
Exercisable as of December 31, 202226,628,522 $11.25 4.87
(1)    Includes assumed equity awards from the ironSource Merger.
Summary of Intrinsic and Fair Values of Stock Options
A summary of intrinsic and fair values of our stock options is as follows (in thousands, except fair value amounts):
Year Ended
December 31, 2022December 31, 2021December 31, 2020
Aggregate pretax intrinsic value of stock options exercised (1)
$274,956 $1,394,721 $441,000 
Weighted-average grant-date fair value of stock options granted$7.54 $39.05 $10.66 
Fair value of stock options vested
$51,962 $48,918 $44,100 
(1)    The intrinsic value is the difference between the estimated fair value of our common stock on the date of exercise and the exercise price for in-the-money options.
Summary of Valuation Assumptions of Stock Options
The calculated grant-date fair value of stock options granted was estimated using the Black-Scholes option-pricing model with the following assumptions:
Year Ended
December 31, 2022December 31, 2021December 31, 2020
Expected dividend yield
Risk-free interest rate
1.7% - 3.8%
0.9% - 1.3%
0.4% - 0.6%
Expected volatility
33.3% - 52.2%
32.9% - 36.2%
33.8% - 36.3%
Expected term (in years)6.256.256.00
Fair value of underlying common stock
$36.17 - $89.01
$100.60 - $152.34
$22.00 - $152.00
Summary of Restricted Stock Unit Activity
A summary of our RSU, including PVU, activity is as follows:
Unvested Restricted Stock Units (1)
Number of
Shares
Weighted-Average
Grant-Date
Fair Value
Unvested as of December 31, 20209,561,791 $53.79 
Granted8,060,505 $112.11 
Vested(3,131,986)$58.23 
Forfeited(793,474)$73.36 
Unvested as of December 31, 202113,696,836 $85.96 
Granted33,548,745 $39.12 
Vested(6,549,420)$70.54 
Forfeited(2,590,699)$71.35 
Unvested as of December 31, 202238,105,462 $48.37 
(1)    Includes assumed equity awards from the ironSource Merger.
Summary of PVU Valuation Assumptions
The following table summarizes the weighted-average assumptions relating to our PVUs:
Year Ended December 31,
2022
Share price on grant date$27.88
Risk-free interest rate4.01%
Expected volatility50%
Expected dividend yield—%
Summary of Valuation Assumptions of Employee Stock Purchase Plan
The fair value of shares offered under our ESPP was determined using the Black-Scholes option pricing model with the following weighted-average assumptions:
Year Ended December 31,
20222021
Expected dividend yield
Risk-free interest rate
0.6% - 3.3%
0.1%
Expected volatility
35.5% - 40.0%
27.2%
Expected term (in years)0.500.50
Estimated fair value
$10.51 - $27.42
$28.64
Summary of Employee Stock Purchase Plan
Additional information related to the ESPP is provided below (in thousands, except per share amounts):
Year Ended December 31,
2022
Share issued under the ESPP607,009
Weighted-average price per share issued$54.87