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Earnings Per Share
3 Months Ended
Mar. 31, 2025
Earnings Per Share  
Earnings Per Share

5. Earnings Per Share

Basic earnings per share is calculated by dividing the net income or loss by the weighted-average number of shares of common stock outstanding during the period, without consideration for potentially dilutive securities. Diluted earnings per share is computed by dividing the net income or loss by the weighted-average number of shares of common stock, plus potentially dilutive securities outstanding for the period, as determined in accordance with the treasury stock, if-converted, or contingently issuable accounting methods, depending on the nature of the security. For purposes of the diluted earnings per share calculation, stock options, restricted stock units (“RSUs”), performance share units (“PSUs”), and shares potentially issuable in connection with the Company’s employee stock purchase plan and convertible senior notes are considered potentially dilutive securities and included to the extent that their addition is not antidilutive.

The following table presents the computations of basic and dilutive earnings per common share:

Three Months Ended March 31,

2025

2024

Numerator:

Net income

$

2,417

$

27,713

Adjustment for interest expense recognized on convertible senior notes

1,622

Net income - diluted

$

2,417

$

29,335

Denominator:

Weighted-average shares outstanding — basic

31,793,739

    

32,326,589

Effect of dilutive securities:

Stock options

249,447

468,057

Restricted stock units

796,967

1,134,716

Convertible senior notes

7,509,104

Weighted average shares outstanding — diluted

32,840,153

41,438,466

Earnings per share — basic

$

0.08

$

0.86

Earnings per share — diluted

$

0.07

$

0.71

The following table presents dilutive securities excluded from the calculation of diluted earnings per share:

Three Months Ended March 31,

2025

 

2024

Stock options

130,344

Restricted stock units

228,999

1,050

Performance share units

313,642

511,680

Employee stock purchase plan

32,579

17,320

Convertible senior notes

6,606,305

For PSUs, these securities were excluded from the calculation of diluted earnings per share as the market-based vesting conditions were not met as of the end of the reporting period. All other securities presented in the table above were excluded from the calculation of diluted earnings per share as their inclusion would have had an antidilutive effect.