Note 18 – Loss per Share

The calculations of basic and diluted loss per share for the years ended December 31, 2025, 2024 and 2023 are as follows:

(In thousands, except for per share amounts)

 

2025

 

 

2024

 

 

2023

 

Numerator

 

 

 

 

 

 

 

 

 

Net loss attributable to ADTRAN Holdings, Inc.

 

$

(45,656

)

 

$

(459,891

)

 

$

(268,852

)

Effect of redemption of RNCI

 

 

4,085

 

 

 

2,981

 

 

 

 

Net loss attributable to ADTRAN Holdings, Inc. common stockholders

 

$

(41,571

)

 

$

(456,910

)

 

$

(268,852

)

Denominator

 

 

 

 

 

 

 

 

 

Weighted average number of shares – basic

 

 

79,742

 

 

 

78,928

 

 

 

78,416

 

Effect of dilutive securities:

 

 

 

 

 

 

 

 

 

Stock options

 

 

 

 

 

 

 

 

 

PSUs, RSUs and restricted stock

 

 

 

 

 

 

 

 

 

Weighted average number of shares – diluted

 

 

79,742

 

 

 

78,928

 

 

 

78,416

 

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

 

$

(0.52

)

 

$

(5.79

)

 

$

(3.43

)

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

 

$

(0.52

)

 

$

(5.79

)

 

$

(3.43

)

 

The following potentially dilutive shares were excluded from the calculation of the diluted weighted average number of shares outstanding as the effect would have been anti-dilutive:

(In thousands)

 

2025

 

 

2024

 

 

2023

 

Convertible senior notes

 

 

4,931

 

 

 

 

 

 

 

Stock options

 

 

882

 

 

 

3,410

 

 

 

1,761

 

PSUs, RSUs and restricted stock

 

 

911

 

 

 

834

 

 

 

514

 

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Mar 3, 2025
2023Mar 15, 2024
2022Mar 1, 2023
2021Feb 25, 2022
2020Feb 26, 2021
2019Feb 25, 2020
2018Feb 28, 2019
2017Feb 23, 2018
2016Feb 24, 2017
2015Feb 24, 2016

About Earnings Per Share Disclosures

The earnings per share disclosure breaks down the calculation from net income to both basic and diluted EPS, revealing the full impact of a company's capital structure on per-share economics. The reconciliation between basic and diluted share counts exposes how many stock options, RSUs, convertible securities, and warrants are potentially dilutive to existing shareholders.

Key signals: a widening gap between basic and diluted shares indicates growing dilution from equity compensation or convertible instruments. Anti-dilutive securities excluded from the diluted calculation deserve attention — they represent latent dilution that will materialize if the stock price rises. Watch for the effect of share buybacks on per-share metrics: EPS growth driven primarily by repurchases rather than income growth signals weakening fundamentals. Compare year-over-year changes in the diluted share count against equity compensation expense to assess whether management is effectively managing dilution.