Stock-Based Compensation (Tables)
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9 Months Ended |
Sep. 30, 2026 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Stock-based Compensation Expense |
Stock-based compensation expense for stock options, RSUs and PSUs is reflected in the unaudited condensed consolidated statements of operations and comprehensive loss as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Three months ended September 30, | | Nine months ended September 30, | | 2026 | | 2025 | | 2026 | | 2025 | | General and administrative | $ | 1,137 | | | $ | 1,209 | | | $ | 4,671 | | | $ | 3,412 | | | Research and development | 818 | | | 767 | | | 2,515 | | | 2,293 | | | Total | $ | 1,955 | | | $ | 1,976 | | | $ | 7,186 | | | $ | 5,705 | |
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| Schedule of Stock Option Activity |
The following table summarizes the Company's stock option activity: | | | | | | | | | | | | | | | | | | | | | | | | | Number of Shares | | Weighted Average Exercise Price | | Weighted Average Remaining Contractual Life (Years) | | Aggregate Intrinsic Value (In Thousands) | Options outstanding at December 31, 2025 | 24,561,750 | | | $ | 1.58 | | | 7.6 | | $ | 7,505 | | | Granted | 10,288,285 | | | 1.39 | | | | | 4 | | | Exercised | (1,405,236) | | | 0.92 | | | | | 913 | | | Forfeited | (3,570,713) | | | 1.56 | | | | | 1,162 | | | Expired | (9,382) | | 2.94 | | | | | — | | Options outstanding at September 30, 2026 | 29,864,704 | | | $ | 1.55 | | | 7.5 | | $ | 2,409 | | Vested and expected to vest at September 30, 2026 | 29,864,704 | | | $ | 1.55 | | | 7.5 | | $ | 2,409 | | Options exercisable at September 30, 2026 | 14,828,230 | | | $ | 1.87 | | | 6.0 | | $ | 1,715 | |
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| Schedule of RSU Activity |
The following table summarizes the Company's unvested RSU activity: | | | | | | | | | | | | | | | | | Number of Shares | | Weighted Average Grant Date Fair Value | | | | | RSUs unvested at December 31, 2025 | 851,652 | | | $ | 1.13 | | | | | | | Granted | 3,287,465 | | | 1.38 | | | | | | | Vested | (764,589) | | | 1.21 | | | | | | | Forfeited | (740,286) | | | 1.37 | | | | | | RSUs unvested at September 30, 2026 | 2,634,242 | | | $ | 1.35 | | | | | |
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| Schedule of PSU Activity |
The following table summarizes the unvested PSU activity: | | | | | | | | | | | | | Number of Shares | | Weighted Average Grant-Date Fair Value | | PSUs unvested at December 31, 2025 | 4,186,797 | | | $ | 1.61 | | | Granted | 9,369,604 | | | $ | 0.23 | | | Vested | — | | | $ | — | | | Forfeited | (1,717,762) | | | $ | 1.74 | | | PSUs unvested at September 30, 2026 | 11,838,639 | | | $ | 1.51 | |
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