Net loss attributable to common stockholders per share
The following table sets forth the computation of the Company’s basic and diluted net loss attributable to common stockholders per share for the years ended December 31, 2025, 2024, and 2023 (in thousands except share and per share data):
 Year Ended December 31,
 202520242023
Numerator
Net loss$(66,539)$(6,020)$(12,148)
Less: net loss allocated to noncontrolling interests— — — 
 
Net loss attributable to common stockholders, basic and diluted$(66,539)$(6,020)$(12,148)
      
Denominator     
Weighted-average common shares outstanding, attributable to common stockholders, basic127,745,939130,611,330135,283,044
Effect of employee stock plans— — — 
Weighted-average common shares outstanding, attributable to common stockholders, diluted127,745,939130,611,330135,283,044
      
Net loss attributable to common stockholders per share, basic$(0.52)$(0.05)$(0.09)
Net loss attributable to common stockholders per share, diluted$(0.52)$(0.05)$(0.09)
Stock-based compensation awards of approximately $11.1 million, $7.2 million, and $9.0 million shares for the years ended December 31, 2025, 2024, and 2023, respectively, were outstanding but were not included in the computation of diluted net income (loss) per share attributable to Cytek Biosciences, Inc. common stockholders, because the effect of including such shares would have been anti-dilutive in the periods presented.

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Feb 28, 2025
2023Mar 13, 2024
2022Mar 1, 2023
2021Mar 17, 2022

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.