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Common Stock (Tables) | 9 Months Ended
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Sep. 30, 2025
Stockholders' Equity Note [Abstract] |
Summary of Common Stock Reserved for Issuance | Shares of common stock reserved for issuance are as follows:
|  | As of September 30, 2025 |  |  | As of December 31, 2024 |
Stock options |  |  | 29,318,783 |  |  |  | 28,360,635 |
RSUs |  |  | 10,764,848 |  |  |  | 3,630,447 |
Earnout shares |  |  | 17,600,000 |  |  |  | — |
Common stock warrants |  |  | 50,000 |  |  |  | — |
Public warrants |  |  | 28,750,000 |  |  |  | — |
Private warrants |  |  | 898,250 |  |  |  | — |
Employee stock purchase plan shares available for future purchase |  |  | 3,047,669 |  |  |  | — |
Equity awards available for future issuance (1) |  |  | 20,223,481 |  |  |  | 3,631,787 |
Legacy warrants |  |  | — |  |  |  | 7,505,657 |
Total common stock reserved for issuance |  |  | 110,653,031 |  |  |  | 43,128,526 |
(1) | As of September 30, 2025, includes 32,000 shares of vested RSUs due to an advisor to satisfy an outstanding liability, which will be issued from the 2025 Equity Incentive Plan. Half of these awards were issued in exchange for shares of common stock due to the same advisor in prior periods.

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