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v3.25.3

Redeemable Convertible Preferred Stock, Redeemable Common Stock, and Stockholders’ Equity (Deficit) - Employee Stock Purchase Plan (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Compensation expense | $ 144,431,000 | $ 7,617,000 | $ 473,409,000 | $ 23,466,000
Unrecognized compensation costs, stock options | $ 63,000,000 |  | $ 63,000,000 |
ESPP | 2025 Employee Stock Purchase Plan |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Number of shares authorized (in shares) | 10,000,000,000,000 |  | 10,000,000,000,000 |
Percentage of outstanding stock maximum |  |  | 1.00% |
Maximum number of shares allowable under plan | 100,000,000,000,000 |  | 100,000,000,000,000 |
Purchase price of common stock |  |  | 85.00% |
Shares issued (in shares) |  |  | 0 |
Compensation expense | $ 0 |  |  |
Unrecognized compensation costs, stock options | $ 0 |  | $ 0 |

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