EARNINGS PER SHARE
The following table is a reconciliation of weighted-average shares for calculating basic and diluted earnings per-share:
 Twelve Months Ended December 31,
(In millions, except per share amounts)202520242023
Net (loss) earnings from continuing operations attributable to Owens Corning$(188)$947 $1,064 
Net (loss) earnings from discontinued operations attributable to Owens Corning, net of tax(334)(300)132 
NET (LOSS) EARNINGS ATTRIBUTABLE TO OWENS CORNING$(522)$647 $1,196 
Weighted-average number of shares outstanding used for basic earnings per share84.0 86.9 90.1 
Unvested restricted stock units and performance share units— 0.9 0.9 
Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings per share84.0 87.8 91.0 
Earnings (Loss) per common share attributable to Owens Corning common stockholders:
Basic - continuing operations$(2.24)$10.90 $11.81 
Basic - discontinued operations$(3.98)$(3.45)$1.46 
Basic$(6.22)$7.45 $13.27 
Diluted - continuing operations$(2.24)$10.79 $11.69 
Diluted - discontinued operations$(3.98)$(3.42)$1.45 
Diluted$(6.22)$7.37 $13.14 
Basic earnings per share is calculated by dividing earnings attributable to Owens Corning by the weighted-average number of shares of the Company’s common stock outstanding during the period. Outstanding shares consist of issued shares less treasury stock.
On May 13, 2025, the Board of Directors approved a new share repurchase program under which the Company is authorized to repurchase up to 12 million shares of the Company’s outstanding common stock (the “2025 Repurchase Authorization”). On December 1, 2022, the Board of Directors approved a share repurchase program under which the Company is authorized to repurchase up to 10 million shares of the Company’s outstanding common stock (together with the 2025 Repurchase Authorization, the "Repurchase Authorizations"). The Repurchase Authorizations enable the Company to repurchase shares through the open market, privately negotiated, or other transactions. The actual number of shares repurchased will depend on timing, market conditions and other factors and will be at the Company’s discretion.
The Company repurchased 5.9 million shares of its common stock for $777 million, inclusive of applicable taxes, during the twelve months ended December 31, 2025 under the Repurchase Authorizations. As of December 31, 2025, 12.5 million shares remained available for repurchase under the Repurchase Authorizations. The Company repurchased 2.6 million shares of its common stock for $433 million, inclusive of applicable taxes, during the twelve months ended December 31, 2024.
As the Company reported a net loss from continuing operations for the year ended December 31, 2025, the Company had 0.7 million of unvested restricted stock units and unvested performance share units that had a potentially anti-dilutive effect on earnings per share and were excluded from the computation of diluted earnings per share for the period. For the years ended December 31, 2024 and December 31, 2023, the Company did not have any non-vested restricted stock units or non-vested performance share units that had an anti-dilutive effect on earnings per share.
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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.