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Net Income per Share
12 Months Ended
Dec. 31, 2023
Net Income per Share  
Net Income per Share

12. Net Income per Share

Basic net income per share is computed using the weighted average number of the ordinary shares outstanding during the period. Options and RSUs are not considered outstanding in the computation of basic earnings per share (“EPS”). Diluted EPS is computed using the weighted average number of ordinary shares and potential ordinary shares outstanding during the period under the treasury stock method. For the years ended December 31, 2021, 2022 and 2023, options to purchase ordinary shares and RSUs of 1.4 million, 1.2 million and 2.6 million were recognized as dilutive factors and included in the calculation of diluted net income per share, respectively. For the years ended December 31, 2021, 2022 and 2023, options and RSUs which were anti-dilutive and excluded from the calculation of diluted net income per share were 0.4 million, 6.5 million and 7.4 million, respectively. For the years ended December 31, 2021, 2022 and 2023, 6.8 million, 5.9 million and nil shares convertible from the convertible senior notes were anti-dilutive and excluded from the calculation of diluted net income per share, respectively.

The following table sets forth the computation of basic and diluted net income per share for the periods presented:

Year Ended December 31, 

    

2021

    

2022

    

2023

(In US$ thousands, except share data and per share data)

Basic net income per share calculation:

Numerator:

Net income attributable to Weibo’s shareholders

$

428,319

$

85,555

$

342,598

Denominator:

Weighted average ordinary shares outstanding

228,814

235,164

235,560

Basic net income per share attributable to Weibo’s shareholders

$

1.87

$

0.36

$

1.45

Diluted net income per share calculation:

Numerator:

Net income attributable to Weibo

$

428,319

$

85,555

$

342,598

Add: Effect on interest expenses and amortized issuance cost of convertible senior notes

529

Net income attributable to Weibo’s shareholders for calculating diluted net income per share

428,319

85,555

343,127

Denominator:

Weighted average ordinary shares outstanding

228,814

235,164

235,560

Effects of dilutive securities

Stock options

68

14

Unvested restricted share units

1,324

1,243

2,625

Convertible senior notes

1,775

Shares used in computing diluted net income per share attributable to Weibo’s shareholders

230,206

236,407

239,974

Diluted net income per share attributable to Weibo’s shareholders

$

1.86

$

0.36

$

1.43