| Schedule of Stock Option Activity and Stock-Based Compensation Expense |
The following table summarizes stock option activity during the six months ended June 30, 2026: | | | | | | | | | | | | | | Shares | | Weighted average exercise price | | Outstanding at December 31, 2025 | 979,861 | | $ | 155.25 | | | Options granted | 113,241 | | 444.14 | | | Options exercised | (76,459) | | 72.38 | | | Options cancelled | (11,348) | | 284.87 | | | Outstanding at June 30, 2026 | 1,005,295 | | $ | 192.63 | | | Exercisable at June 30, 2026 | 730,254 | | $ | 131.09 | |
Stock-based compensation expense during the three and six months ended June 30, 2026 and 2025 was as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Stock-based compensation expense by type of award: | | | | | | | | | Stock options | $ | 5,370 | | | $ | 5,449 | | | $ | 10,533 | | | $ | 10,888 | | | Restricted stock units | 25,825 | | | 14,328 | | | 50,315 | | | 26,116 | | | Performance-based restricted stock units | 4,176 | | | 5,382 | | | 8,541 | | | 9,086 | | | Total stock-based compensation expense | $ | 35,371 | | | $ | 25,159 | | | $ | 69,389 | | | $ | 46,090 | | | Effect of stock-based compensation expense by line item: | | | | | | | | Cost of sales | $ | 129 | | | $ | — | | | $ | 225 | | | $ | — | | | Research and development | 6,860 | | | 5,354 | | | 14,725 | | | $ | 10,569 | | Selling, general and administrative | 28,382 | | | 19,805 | | | 54,439 | | | 35,521 | | | Total stock-based compensation expense included in net loss | $ | 35,371 | | | $ | 25,159 | | | $ | 69,389 | | | $ | 46,090 | |
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| Schedule of Restricted Stock Units Activity |
The following table summarizes RSU activity, excluding performance-based RSUs, during the six months ended June 30, 2026: | | | | | | | | | | | | | Shares | | Weighted average grant date fair value | | Outstanding at December 31, 2025 | 798,422 | | $ | 307.85 | | RSUs granted | 363,823 | | 448.75 | | RSUs vested | (175,442) | | 298.20 | | RSUs forfeited | (33,363) | | 325.43 | | | Outstanding at June 30, 2026 | 953,440 | | $ | 362.78 | |
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| Schedule of Performance-Based Restricted Stock Units Activity |
The following table summarizes PSU activity during the six months ended June 30, 2026: | | | | | | | | | | | | | | | | | | | PSUs | | Eligible to Earn PSUs | | Weighted average grant date fair value | | Outstanding PSUs at December 31, 2025 | 103,244 | | | 256,488 | | | $ | 500.55 | | | PSUs granted | 40,642 | | | 81,284 | | | 616.19 | | | PSUs earned | — | | | — | | | — | | | PSUs forfeited | (6,659) | | | (13,318) | | | 510.42 | | | Outstanding at June 30, 2026 | 137,227 | | | 324,454 | | | $ | 534.32 | |
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