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Stock-Based Compensation (Tables) | 12 Months Ended
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Apr. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | A summary of the Company’s option activity during the periods indicated was as follows:
| Options Outstanding
| Number of Stock Options Outstanding |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (years) |  | Aggregate Intrinsic Value
| (in thousands) |  |  |  |  |  | (in thousands)
Balance as of April 30, 2024 | 31,328 |  |  | $ | 13.97 |  |  | 5.68 |  | $ | 268,167 |
Options granted | 1,187 |  |  | 23.43 |  |  |  |  |
Options exercised | (3,425) |  |  | 5.97 |  |  |  |  |
Options cancelled | (613) |  |  | 23.13 |  |  |  |  |
Balance as of April 30, 2025 | 28,477 |  |  | $ | 15.13 |  |  | 5.01 |  | $ | 195,923 |
Options granted | 7,034 |  |  | 12.25 |  |  |  |  |
Options exercised | (2,605) |  |  | 2.95 |  |  |  |  |
Options cancelled | (487) |  |  | 18.34 |  |  |  |  |
Balance as of April 30, 2026 | 32,419 |  |  | $ | 15.44 |  |  | 5.32 |  | $ | — |
Vested and exercisable as of April 30, 2026 | 24,067 |  |  | $ | 15.05 |  |  | 4.00 |  | $ | — |
Vested and expected to vest as of April 30, 2026 | 32,419 |  |  | $ | 15.44 |  |  | 5.32 |  | $ | — |
Schedule of Valuation Assumptions | The assumptions underlying the fair value estimation are provided in the following table:
| Fiscal Year Ended April 30,
| 2026 |  | 2025 |  | 2024
Valuation assumptions: |  |  |  |  |
Expected dividend yield | — | % |  | — | % |  | — | %
Expected volatility | 68.5 - 71.0% |  | 65.5 - 66.2% |  | 62.3 - 62.3%
Expected term (years) | 5.8 - 6.5 |  | 6.0 - 6.5 |  | 6.5 - 6.5
Risk-free interest rate | 3.7 - 3.95% |  | 3.5 - 4.6% |  | 4.7 - 4.7%
Schedule of Restricted Stock Unit Activity | A summary of the Company’s RSU activities and related information is as follows:
| RSUs Outstanding
| Number of RSUs |  | Weighted Average Grant Date Fair Value Per Share
| (in thousands) |  |
Unvested Balance as of April 30, 2024 | 19,283 |  |  | $ | 24.26 |
RSUs granted | 14,731 |  |  | 28.43 |
RSUs vested | (6,478) |  |  | 27.39 |
RSUs forfeited | (3,762) |  |  | 27.33 |
Unvested Balance as of April 30, 2025 | 23,774 |  |  | $ | 25.99 |
RSUs granted | 17,830 |  |  | 18.96 |
RSUs vested | (10,561) |  |  | 22.87 |
RSUs forfeited | (11,629) |  |  | 24.87 |
Unvested Balance as of April 30, 2026 | 19,414 |  |  | $ | 21.91 |
Schedule of Valuation Assumptions Under ESPP | The following assumptions were used to calculate the fair value of shares to be granted under the 2020 ESPP during the period:
|  | Fiscal Year Ended April 30,
|  | 2026 | 2025 | 2024
Valuation assumptions: |  |  |  |
Expected dividend yield |  | — | % | — | % | — | %
Expected volatility |  | 63.9 - 67.6% | 56.2 - 79.8% | 54.5 - 73.3%
Expected term (years) |  | 0.5 - 2.0 | 0.5 - 2.0 | 0.50 - 2.0
Risk-free interest rate |  | 3.51 - 3.8% | 3.6 - 4.6% | 4.7 - 5.5%
Summary of Effects of Stock-Based Compensation | The following table summarizes the effects of stock-based compensation on the Company’s consolidated statements of operations (in thousands):
| Fiscal Year Ended April 30,
| 2026 |  | 2025 |  | 2024
Cost of subscription | $ | 35,616 |  |  | $ | 30,480 |  |  | $ | 34,032 |
Cost of professional services | 1,897 |  |  | 3,180 |  |  | 1,288 |
Sales and marketing | 95,531 |  |  | 83,960 |  |  | 71,751 |
Research and development | 79,221 |  |  | 71,629 |  |  | 72,036 |
General and administrative | 51,450 |  |  | 41,739 |  |  | 36,654 |
Total stock-based compensation expense excluding restructuring | 263,715 |  |  | 230,988 |  |  | 215,761 |
Restructuring | 4,817 |  |  | — |  |  | — |
Total stock-based compensation expense | $ | 268,532 |  |  | $ | 230,988 |  |  | $ | 215,761 |

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