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Income Taxes (Tables) | 12 Months Ended
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Apr. 30, 2025
Income Tax Disclosure [Abstract] |
Schedule of Components of Net Loss Before Income Taxes | The components of the Company’s net loss before provision for income taxes for the fiscal years ended April 30, 2025, 2024 and 2023 were as follows (in thousands):
| Fiscal Year Ended April 30,
| 2025 |  | 2024 |  | 2023
Domestic | $ | (291,153) |  |  | $ | (282,036) |  |  | $ | (270,280) |
Foreign | 3,427 |  |  | 3,132 |  |  | 2,116 |
Net loss before provision for income taxes | $ | (287,726) |  |  | $ | (278,904) |  |  | $ | (268,164) |
Schedule of Provision for Income Tax Expenses | The components of the Company’s provision for income taxes for the fiscal years ended April 30, 2025, 2024 and 2023 were as follows (in thousands):
| Fiscal Year Ended April 30,
| 2025 |  | 2024 |  | 2023
Current expense |  |  |  |  |
Federal | $ | — |  |  | $ | — |  |  | $ | — |
State | 273 |  |  | 293 |  |  | 306 |
Foreign | 670 |  |  | 499 |  |  | 369 |
Total | 943 |  |  | 792 |  |  | 675 |
Deferred expense |  |  |  |  |
Federal | — |  |  | — |  |  | — |
State | — |  |  | — |  |  | — |
Foreign | 33 |  |  | — |  |  | — |
Total | 33 |  |  | — |  |  | — |
Total provision for income taxes | $ | 976 |  |  | $ | 792 |  |  | $ | 675 |
Schedule of Federal Statutory Rate to Effective Tax Rate Reconciliation | The reconciliation of U.S. federal statutory rate to the Company’s effective tax rate was follows (in thousands):
| Fiscal Year Ended April 30,
| 2025 |  | 2024 |  | 2023
Expected benefit at federal statutory rate | $ | (60,422) |  |  | $ | (58,570) |  |  | $ | (56,314) |
State tax expense—net of federal benefit | 272 |  |  | 292 |  |  | 306 |
Impact of foreign operations | (156) |  |  | (158) |  |  | (75) |
Federal research and development credit | (3,562) |  |  | (3,087) |  |  | (2,489) |
Change in valuation allowance | 64,770 |  |  | 66,556 |  |  | 32,481 |
Stock-based compensation | (1,072) |  |  | (5,001) |  |  | 25,806 |
Meals and entertainment | 228 |  |  | 207 |  |  | 95 |
Other permanent items | 918 |  |  | 553 |  |  | 865 |
Total provision for income taxes | $ | 976 |  |  | $ | 792 |  |  | $ | 675 |
Schedule of Components of Deferred Tax Assets and Liabilities | The components of deferred tax assets and liabilities as of April 30, 2025 and 2024 were as follows (in thousands):
| As of April 30,
| 2025 |  | 2024
Deferred tax assets |  |  |
Accrued payroll | $ | 7,483 |  |  | $ | 5,542 |
Other accruals & reserves | 3,423 |  |  | 5,933 |
Operating lease liability | 13,696 |  |  | 13,433 |
Deferred revenue | 1,354 |  |  | 1,643 |
Net operating losses | 179,554 |  |  | 141,157 |
R&D tax credit | 20,396 |  |  | 15,001 |
Stock based compensation | 15,710 |  |  | 13,263 |
Capitalized R&D expenditure | 93,759 |  |  | 72,140 |
Other | 362 |  |  | 626 |
Gross deferred tax assets | 335,737 |  |  | 268,738 |
Valuation allowance | (320,939) |  |  | (252,682) |
Total deferred tax assets | 14,798 |  |  | 16,056 |
Deferred tax liabilities |  |  |
Prepaid expenses | (1,774) |  |  | (1,986) |
Depreciation | (8,635) |  |  | (9,808) |
Operating lease right-of-use assets | (4,389) |  |  | (4,262) |
Total deferred tax liabilities | (14,798) |  |  | (16,056) |
Net deferred tax assets (liabilities) | $ | — |  |  | $ | — |
Schedule of Unrecognized Tax Benefits Roll Forward | A reconciliation of the beginning and ending amount of the Company’s total gross unrecognized tax benefits was as follows (in thousands):
| As of April 30,
| 2025 |  | 2024
Balance as of May 1 | $ | 16,548 |  |  | $ | 11,369 |
Increases for tax positions related to the prior year | 70 |  |  | — |
Increases for tax positions related to the current year | 5,943 |  |  | 5,179 |
Balance as of April 30 | $ | 22,561 |  |  | $ | 16,548 |

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