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Loss Per Share (Tables)
 3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Summary of Calculation of Basic and Diluted Loss Per Share

The calculation of basic and diluted loss per share is as follows:

 

 

 

Three Months Ended

 

 

 

March 31,

 

(In thousands, except per share amounts)

 

2023
(As Restated)

 

 

2022

 

Numerator

 

 

 

 

 

 

Net loss attributable to ADTRAN Holdings, Inc.

 

$

(40,083

)

 

$

(1,127

)

Denominator

 

 

 

 

 

 

Weighted average number of shares – basic

 

 

78,358

 

 

 

49,113

 

Effect of dilutive securities

 

 

 

 

 

 

Stock options

 

 

—

 

 

 

—

 

PSUs, RSUs and restricted stock

 

 

—

 

 

 

—

 

Weighted average number of shares – diluted

 

 

78,358

 

 

 

49,113

 

Loss per share attributable to ADTRAN Holdings, Inc. – basic

 

$

(0.51

)

 

$

(0.02

)

Loss per share attributable to ADTRAN Holdings, Inc. – diluted

 

$

(0.51

)

 

$

(0.02

)