Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Stock-Based Compensation  
Schedule of the stock-based compensation

Year Ended December 31, 

    

2019

    

2020

    

2021*

(In US$ thousands)

Cost of revenues

5,251

 

5,384

 

8,112

Sales and marketing

9,828

 

9,983

 

15,292

Product development

28,628

 

33,093

 

43,622

General and administrative

17,582

 

18,645

 

20,970

61,289

 

67,105

 

87,996

*

Excluded non-cash stock-based compensation of US$7.9 million to SINA employees charged through Amount due from SINA in 2021.

Summary of the number of shares available for issuance

    

Shares Available

(In thousands)

December 31, 2018

 

17,293

Addition

Granted*

(2,411)

Cancelled/expired/forfeited

222

December 31, 2019

 

15,104

Addition

Granted*

(3,040)

Cancelled/expired/forfeited

431

December 31, 2020

 

12,495

Addition

Granted*

 

(5,752)

Cancelled/expired/forfeited

 

692

December 31, 2021

 

7,435

*     For the years ended December 31, 2019, 2020 and 2021, 2.4 million, 2.5 million and 5.8 million restricted share units were granted under the 2014 Plan, respectively. Options of nil, 0.5 million and nil were granted during 2019, 2020 and 2021,respectively.

Summary of option activities under the Company's stock option program

    

    

    

Weighted Average

    

Options

Weighted Average

Remaining

Aggregate

Outstanding

Exercise Price

Contractual Life

Intrinsic Value

(In thousands)

(In US$)

(In years)

(In US$ thousands)

December 31, 2018

 

184

3.45

 

1.5

10,089

Granted

 

Exercised

 

(95)

3.41

Cancelled/expired/forfeited

 

December 31, 2019

 

89

3.49

0.7

3,799

Granted

 

482

32.68

Exercised

 

(16)

3.47

Cancelled/expired/forfeited

 

(4)

30.96

December 31, 2020

 

551

28.85

5.8

6,683

Granted

 

Exercised

 

(105)

12.70

Cancelled/expired/forfeited

 

(59)

32.68

December 31, 2021

 

387

32.68

5.6

Vested and expected to vest as of December 31, 2020

 

503

28.50

 

5.7

6,294

Exercisable as of December 31, 2020

 

72

3.50

 

0.2

2,707

Vested and expected to vest as of December 31, 2021

 

351

32.68

 

5.6

Exercisable as of December 31, 2021

 

82

32.68

 

5.6

Schedule of stock options outstanding

Weighted

Weighted

Weighted Average

Options

Average

Options

Average

Remaining

Range of Exercise Prices

    

Outstanding

    

Exercise Price

    

Exercisable

    

Exercise Price

    

Contractual Life

(In thousands)

(In US$)

(In thousands)

(In US$)

(In years)

As of December 31, 2020

US$ 3.43 - US$3.50

 

72

3.50

 

72

3.50

 

0.2

US$32.68

 

479

32.68

 

 

 

551

28.85

 

72

3.50

 

0.2

As of December 31, 2021

US$32.68

387

32.68

82

32.68

5.6

Performance-Based Restricted Share Units  
Stock-Based Compensation  
Summary of restricted share unit activities

    

    

Weighted-Average

Grant Date

Shares Granted

Fair Value

(In thousands)

(In US$)

December 31, 2018

4

87.14

Awarded

98

64.33

Vested

(4)

87.14

Cancelled

(39)

69.14

December 31, 2019

 

59

61.17

Awarded

46

36.49

Vested

(54)

60.16

Cancelled

(34)

36.49

December 31, 2020

17

36.49

Awarded

15

54.08

Vested

(2)

38.78

Cancelled

(19)

40.63

December 31, 2021

 

11

54.17

Service-based restricted share units  
Stock-Based Compensation  
Summary of restricted share unit activities

    

    

Weighted-

Average

Shares

Grant Date

Granted

Fair Value

(In thousands)

(In US$)

December 31, 2018

2,756

48.62

Awarded

 

2,313

45.49

Vested

(1,374)

37.60

Cancelled

(183)

48.48

December 31, 2019

 

3,512

50.89

Awarded

 

2,512

33.50

Vested

(1,307)

49.12

Cancelled

(393)

44.96

December 31, 2020

 

4,324

41.86

Awarded

 

5,737

47.95

Vested

(1,608)

45.66

Cancelled

(614)

44.02

December 31, 2021

 

7,839

45.37