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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | RSUs | Common Stock | Common Stock RSUs | Additional Paid-In Capital | Additional Paid-In Capital RSUs | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance, shares (in shares) at Apr. 30, 2023 |  |  | 113,943 |  |  |  |  |
Beginning Balance, Amount at Apr. 30, 2023 | $ 929,665 |  | $ 113 |  | $ 1,740,174 |  | $ (385) | $ (810,237)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of Class A common stock upon exercise of stock options (in shares) |  |  | 3,028 |  |  |  |  |
Issuance of Class A common stock upon exercise of stock options | 13,710 |  | $ 3 |  | 13,707 |  |  |
Vesting of early exercised Class A common stock options | 507 |  |  |  | 507 |  |  |
Shares withheld related to net share settlement of equity awards(in shares) |  |  | (376) |  |  |  |  |
Shares withheld related to net share settlement of equity awards | (13,220) |  |  |  | (13,220) |  |  |
Vesting of restricted stock units (in shares) |  |  |  | 6,248 |  |  |  |
Vesting of restricted stock units |  | $ 34,833 |  | $ 6 |  | $ 34,827 |  |
Issuance of Class A common stock under employee stock purchase plan (in shares) |  |  | 863 |  |  |  |  |
Issuance of Class A common stock under employee stock purchase plan | 10,764 |  | $ 1 |  | 10,763 |  |  |
Stock-based compensation expense | 176,968 |  |  |  | 176,968 |  |  |
Other comprehensive income (loss) | (178) |  |  |  |  |  | (178) |
Net loss | (279,696) |  |  |  |  |  |  | (279,696)
Ending Balance, shares (in shares) at Apr. 30, 2024 |  |  | 123,706 |  |  |  |  |
Ending Balance, Amount at Apr. 30, 2024 | $ 873,353 |  | $ 123 |  | 1,963,726 |  | (563) | (1,089,933)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of Class A common stock upon exercise of stock options (in shares) | 3,425 |  | 3,425 |  |  |  |  |
Issuance of Class A common stock upon exercise of stock options | $ 20,416 |  | $ 3 |  | 20,413 |  |  |
Vesting of early exercised Class A common stock options | 259 |  |  |  | 259 |  |  |
Shares withheld related to net share settlement of equity awards(in shares) |  |  | (338) |  |  |  |  |
Shares withheld related to net share settlement of equity awards | (9,079) |  |  |  | (9,079) |  |  |
Vesting of restricted stock units (in shares) |  |  |  | 6,448 |  |  |  |
Vesting of restricted stock units |  | 41,001 |  | $ 6 |  | 40,995 |  |
Issuance of Class A common stock under employee stock purchase plan (in shares) |  |  | 697 |  |  |  |  |
Issuance of Class A common stock under employee stock purchase plan | 10,880 |  | $ 1 |  | 10,879 |  |  |
Stock-based compensation expense | 189,091 |  |  |  | 189,091 |  |  |
Other comprehensive income (loss) | 1,084 |  |  |  |  |  | 1,084 |
Net loss | (288,702) |  |  |  |  |  |  | (288,702)
Ending Balance, shares (in shares) at Apr. 30, 2025 |  |  | 133,938 |  |  |  |  |
Ending Balance, Amount at Apr. 30, 2025 | $ 838,303 |  | $ 133 |  | 2,216,284 |  | 521 | (1,378,635)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Issuance of Class A common stock upon exercise of stock options (in shares) | 2,605 |  | 2,605 |  |  |  |  |
Issuance of Class A common stock upon exercise of stock options | $ 7,682 |  | $ 3 |  | 7,679 |  |  |
Vesting of early exercised Class A common stock options | 7 |  |  |  | 7 |  |  |
Vesting of restricted stock units (in shares) |  |  |  | 10,561 |  |  |  |
Vesting of restricted stock units |  | $ 50,925 |  | $ 11 |  | $ 50,914 |  |
Issuance of Class A common stock under employee stock purchase plan (in shares) |  |  | 904 |  |  |  |  |
Issuance of Class A common stock under employee stock purchase plan | 9,291 |  | $ 1 |  | 9,290 |  |  |
Stock-based compensation expense | 218,483 |  |  |  | 218,483 |  |  |
Other comprehensive income (loss) | (571) |  |  |  |  |  | (571) |
Net loss | (470,369) |  |  |  |  |  |  | (470,369)
Ending Balance, shares (in shares) at Apr. 30, 2026 |  |  | 148,008 |  |  |  |  |
Ending Balance, Amount at Apr. 30, 2026 | $ 653,751 |  | $ 148 |  | $ 2,502,657 |  | $ (50) | $ (1,849,004)

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