Earnings per Common Share The calculation of basic and diluted EPS was as follows: | | | | | | | | | | Three Months Ended March 31, | | 2016 | | 2015 | | (In thousands, except per share data) | Basic earnings per Class A common share | | | | Net income | $ | 32,882 |
| | $ | 40,813 |
| Income attributable to preferred stock | (972 | ) | | (1,165 | ) | Income attributable to common stock subject to repurchase | — |
| | (81 | ) | Net income allocated to Class A common stockholders | $ | 31,910 |
| | $ | 39,567 |
| Weighted-average Class A shares issued and outstanding | 49,863 |
| | 51,448 |
| Basic earnings per Class A common share | $ | 0.64 |
| | $ | 0.77 |
| | | | | Diluted earnings per Class A common share | | | | Net income allocated to Class A common stockholders | $ | 31,910 |
| | $ | 39,567 |
| Re-allocated earnings | 19 |
| | 11 |
| Diluted net income allocated to Class A common stockholders | 31,929 |
| | 39,578 |
| Weighted-average Class A shares issued and outstanding | 49,863 |
| | 51,448 |
| Dilutive potential common shares: | | | | Stock options | 343 |
| | 281 |
| Restricted stock units | 630 |
| | 193 |
| Employee stock purchase plan | 31 |
| | 16 |
| Diluted weighted-average Class A shares issued and outstanding | 50,867 |
| | 51,938 |
| Diluted earnings per Class A common share | $ | 0.63 |
| | $ | 0.76 |
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For the periods presented, we excluded all shares of convertible preferred stock and certain restricted stock units and stock options outstanding, which could potentially dilute basic EPS in the future, from the computation of diluted EPS as their effect was anti-dilutive. The following table shows the weighted-average number of anti-dilutive shares excluded from the diluted EPS calculation: Note 12—Earnings per Common Share (continued) | | | | | | | | Three Months Ended March 31, | | 2016 | | 2015 | | (In thousands) | Class A common stock | | | | Options to purchase Class A common stock | 326 |
| | 795 |
| Restricted stock units | 8 |
| | 122 |
| Conversion of convertible preferred stock | 1,519 |
| | 1,515 |
| Total options, restricted stock units and convertible preferred stock | 1,853 |
| | 2,432 |
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