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Common Stock (Tables)
 9 Months Ended
Sep. 30, 2025
Equity [Abstract]  
Schedule Of Common Stock Reserved
The amount of such shares of the Company’s common stock reserved for these purposes at September 30, 2025 is as follows: 
Series A-1 Redeemable Convertible Preferred Stock1,349,650
Series A-2 Redeemable Convertible Preferred Stock1,137,210
Series A-3 Redeemable Convertible Preferred Stock899,730
Series A-4 Redeemable Convertible Preferred Stock25,761
Series A-5 Redeemable Convertible Preferred Stock114,613
Series A-6 Redeemable Convertible Preferred Stock5,796,201
Series B-1 Redeemable Convertible Preferred Stock5,182,287
Series B-2 Redeemable Convertible Preferred Stock2,566,902
Series C Redeemable Convertible Preferred Stock5,628,825
Series C-1 Redeemable Convertible Preferred Stock1,726,823
Series D Redeemable Convertible Preferred Stock4,656,233
Redeemable Convertible Preferred stock warrants9,660
Common stock warrants121,566
Options to purchase common stock9,041,854
Stock options available for future grants719,328
Total common stock reserved38,976,643
Schedule of Stock Options Valuation Assumptions
The weighted average assumptions used to calculate the fair value of option grants issued under the 2018 Plan during the three and nine months ended September 30, 2025 and 2024 were as follows:

Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Fair value of common stock$31.74 $16.89 $25.68 $15.68 
Dividend yield- %- %- %- %
Risk-free interest rate3.9 %4.1 %4.2 %4.2 %
Expected volatility74 %68 %73 %68 %
Expected term (in years)6.026.056.286.01
Schedule of Stock Option Activity
A summary of the Company’s stock option activity and related information is as follows:
Number of
Options
Outstanding		Weighted
Average
Exercise Price
Per Share		Aggregate
Intrinsic Value
(in thousands)
Balance as of December 31, 20246,849,412$7.28 $73,992 
Granted
2,721,201$20.17 
Exercised
(252,517)$4.30 
Forfeited or expired
(276,242)$14.24 
Balance as of September 30, 20259,041,854$11.03 $268,925 
Vested and exercisable as of September 30, 20254,876,287$5.60 $171,507 
Vested and expected to vest as of September 30, 20259,041,854$11.03 $268,925 
Schedule of Stock-Based Compensation Expense
The table below shows stock-based compensation expense included in the statements of operations and comprehensive income (loss) for the three months ended and nine months ended September 30, 2025 and 2024 (in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2025202420252024
Cost of revenue$401 $284 $1,139 $848 
Research and development971 554 2,542 1,719 
Selling, general and administrative3,103 1,312 5,900 3,488 
Total stock-based compensation$4,475 $2,150 $9,581 $6,055