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Stock-Based Compensation (Tables) | 6 Months Ended
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Jul. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity Under Equity Incentive Plans and Related Information | The following table summarizes the stock option activity under the equity incentive plans and related information:
|  | Shares Subject to Options Outstanding |  |  | Weighted- Average |  |  |  |
|  |  |  |  | Weighted- |  |  | Remaining |  |  |  |
|  |  |  |  | Average Exercise |  |  | Contractual Life |  |  | Aggregate |
|  | Shares |  |  | Price |  |  | (Years) |  |  | Intrinsic Value |
|  |  |  |  |  |  |  |  |  |  | (in thousands) |
Balance as of January 31, 2022 |  |  | 5,726,893 |  |  | $ | 11.74 |  |  |  | 3.04 |  |  | $ | 82,481 |
Options granted |  |  | — |  |  |  | — |  |  |  |  |  |  |
Options exercised |  |  | (2,083,277 | ) |  |  | 3.09 |  |  |  |  |  |  |
Options forfeited/cancelled |  |  | (650,000 | ) |  |  | 20.28 |  |  |  |  |  |  |
Balance as of July 31, 2022 |  |  | 2,993,616 |  |  | $ | 15.90 |  |  |  | 3.82 |  |  | $ | 37,546 |
Vested and expected to vest as of July 31, 2022 |  |  | 2,989,152 |  |  | $ | 15.89 |  |  |  | 3.81 |  |  | $ | 37,506 |
Exercisable as of July 31, 2022 |  |  | 2,903,245 |  |  | $ | 15.79 |  |  |  | 3.72 |  |  | $ | 36,740 |
Summary of Restricted Stock Unit Activity Under Equity Incentive Plans and Related Information | The following table summarizes the restricted stock unit activity under the equity incentive plans and related information:
|  | Number of |  |  | Weighted- |
|  | Restricted |  |  | Average |
|  | Stock Units |  |  | Grant Date |
|  | Outstanding |  |  | Fair Value |
Unvested balance - January 31, 2022 |  |  | 14,840,913 |  |  | $ | 21.35 |
Granted |  |  | 8,247,887 |  |  |  | 28.14 |
Vested |  |  | (4,365,169 | ) |  |  | 22.69 |
Forfeited/cancelled |  |  | (1,369,225 | ) |  |  | 22.24 |
Unvested balance - July 31, 2022 |  |  | 17,354,406 |  |  | $ | 24.17 |
Summary of Components of Stock-Based Compensation Expense | The following table summarizes the components of stock-based compensation expense recognized in the condensed consolidated statements of operations (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | July 31, |  |  | July 31, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Cost of revenue |  | $ | 4,787 |  |  | $ | 4,883 |  |  | $ | 9,142 |  |  | $ | 10,223 |
Research and development |  |  | 18,095 |  |  |  | 16,626 |  |  |  | 35,821 |  |  |  | 32,079 |
Sales and marketing |  |  | 14,800 |  |  |  | 12,919 |  |  |  | 30,089 |  |  |  | 24,470 |
General and administrative |  |  | 11,004 |  |  |  | 9,700 |  |  |  | 20,744 |  |  |  | 19,146 |
Total stock-based compensation |  | $ | 48,686 |  |  | $ | 44,128 |  |  | $ | 95,796 |  |  | $ | 85,918 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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