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Net Loss per Share Attributable to Common Stockholders | 12 Months Ended
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Jan. 31, 2021
Earnings Per Share [Abstract] |
Net Loss per Share Attributable to Common Stockholders | Net Loss per Share Attributable to Common Stockholders The following table presents the calculation of basic and diluted net loss per share attributable to common stockholders for periods presented:
| Year Ended January 31,
(in thousands, except per share data) | 2021 |  | 2020 |  | 2019
Numerator: |  |  |  |  |
Net loss | $ | (243,267) |  |  | $ | (208,359) |  |  | $ | (426,458) |
Less: preferred stock accretion | — |  |  | — |  |  | (353) |
Net loss attributable to common stockholders | $ | (243,267) |  |  | $ | (208,359) |  |  | $ | (426,811) |
Denominator: |  |  |  |  |
Weighted-average common shares outstanding | 185,760 |  |  | 176,704 |  |  | 135,163 |
Net loss per share attributable to common stockholders: |  |  |  |  |
Basic and diluted | $ | (1.31) |  |  | $ | (1.18) |  |  | $ | (3.16) |
Outstanding potentially dilutive securities that were excluded from the diluted per share calculations because they would have been antidilutive are as follows:
| January 31,
(in thousands) | 2021 |  | 2020 |  | 2019
RSUs | 10,586 |  |  | 13,555 |  |  | 16,568 |
Stock options | 4,798 |  |  | 6,882 |  |  | 13,648 |
ESPP | 130 |  |  | 274 |  |  | 295 |
Convertible senior notes | 3,250 |  |  | 788 |  |  | — |
Total antidilutive securities | 18,764 |  |  | 21,499 |  |  | 30,511 |

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