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Stock-Based Compensation (Tables) | 12 Months Ended
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Jan. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Components of Stock-based Compensation Expense | The components of stock-based compensation expense recognized in the consolidated statements of operations consisted of the following (in thousands):
| Year Ended January 31,
| 2024 |  | 2023
Cost of revenue | $ | 17,187 |  |  | $ | 10,093 |
Research and development | 61,055 |  |  | 51,771 |
Sales and marketing | 55,798 |  |  | 40,115 |
General and administrative | 83,890 |  |  | 62,487 |
Restructuring | (1,060) |  |  | — |
Total | $ | 216,870 |  |  | $ | 164,466 |
Nonvested Restricted Stock Shares Activity | A summary of our RSU and PSU activity is as follows:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Outstanding as of January 31, 2023 | 14,409,166 |  |  | $ | 27.37 |
Granted | 22,822,240 |  |  | 17.17 |
Released | (6,021,877) |  |  | 25.15 |
Forfeited | (3,803,072) |  |  | 22.17 |
Outstanding as of January 31, 2024 | 27,406,457 |  |  | $ | 20.08 |
Share-based Payment Arrangement, Option, Activity | A summary of our stock option activity is as follows:
| Number of Options |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding as of January 31, 2023 | 32,446,814 |  |  | $ | 4.71 |  |  | 6.52 |  | $ | 337,214 |
Granted | — |  |  | — |  |  |  |  |
Exercised | (10,298,114) |  |  | 2.75 |  |  |  |  |
Forfeited | (988,850) |  |  | 5.60 |  |  |  |  |
Outstanding as of January 31, 2024 | 21,159,850 |  |  | $ | 5.63 |  |  | 6.25 |  | $ | 447,989 |
Expected to vest as of January 31, 2024 | 21,159,850 |  |  | $ | 5.63 |  |  | 6.25 |  | $ | 447,989 |
Vested and exercisable as of January 31, 2024 | 15,633,560 |  |  | $ | 4.51 |  |  | 5.96 |  | $ | 348,522 |
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions | The following table summarizes the assumptions used in estimating the fair value of employee stock purchase rights using the Black-Scholes option pricing model for the periods presented:
| Year Ended January 31,
| 2024 |  | 2023
Expected term (in years) | 0.5 |  | 0.5 - 1.0
Expected volatility | 55% - 85% |  | 72% - 96%
Risk-free interest rate | 5.2% - 5.5% |  | 2.6% - 4.8%
Dividend yield | — | % |  | — | %

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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