Years Ended December 31,
202320222021
(in millions, except per-share data)
$/share$/share$/share
Earnings Attributable to AEP Common Shareholders$2,208.1 $2,307.2 $2,488.1 
Weighted-Average Number of Basic AEP Common Shares Outstanding518.9 $4.26 511.8 $4.51 500.5 $4.97 
Weighted-Average Dilutive Effect of Stock-Based Awards1.3 (0.02)1.7 (0.02)1.3 (0.01)
Weighted-Average Number of Diluted AEP Common Shares Outstanding520.2 $4.24 513.5 $4.49 501.8 $4.96 

Historical Timeline

Fiscal YearFiled
2023Feb 26, 2024Showing above
2022Feb 23, 2023
2021Feb 24, 2022
2017Feb 23, 2018

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.