v3.26.3
Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
The Company recognizes stock-based compensation in the consolidated statements of operations, based on the department to which the related employee reports, as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
(in thousands)
Cost of net revenue$123 $164 $404 $601 
Research and development9,143 9,750 29,353 32,031 
Selling, general and administrative10,558 11,597 37,573 24,903 
$19,824 $21,511 $67,330 $57,535 
Schedule of Restricted Stock Unit Activity
A summary of the Company’s restricted stock unit activity for all equity plans is as follows:
Number of Shares
(in thousands)		Weighted-Average Grant-Date Fair Value per Share
Outstanding at December 31, 20257,649 $19.89 
  Granted1
4,180 22.02 
  Vested2
(4,437)20.74 
  Canceled3
(475)18.88 
Outstanding at September 30, 20266,917 $20.70 
____________
(1) Includes approximately 148 thousand shares granted under the Inducement Plan at a weighted-average grant-date fair value per share of $18.47.
(2) Includes approximately 123 thousand shares vested under the Inducement Plan at a weighted-average grant-date fair value per share of $14.00.
(3) Includes approximately 83 thousand shares canceled under the Inducement Plan at a weighted-average grant-date fair value per share of $15.30.
Schedule of Performance-Based Restricted Stock Unit Activity
A summary of the Company’s performance-based restricted stock unit activity is as follows:
Number of Shares
(in thousands)		Weighted-Average Grant-Date Fair Value per Share
Outstanding at December 31, 20253,333 $19.58 
  Granted623 18.47 
  Released(83)15.19 
  Canceled1
(1,021)25.46 
Outstanding at September 30, 20262,852 $17.36 
________________
(1) Includes shares canceled due to achievement below threshold amounts from shares granted which were previously reserved at the maximum achievable (250%). No shares were eligible to vest for the 2025 performance period under the 2023 and 2024 performance-based restricted stock unit grants due to achievement below the 25th percentile.
Schedule of Employee Stock Purchase Plan, Valuation Assumptions
The fair values of employee stock purchase rights were estimated using the Black-Scholes option pricing model at their respective grant date using the following assumptions:
Nine Months Ended September 30,
20262025
Weighted-average grant date fair value per share
$4.22 to $43.36
$5.24 to $6.00
Risk-free interest rate
3.77% to 3.81%
4.29% to 4.44%
Dividend yield— %— %
Expected life (in years)
0.49 to 0.51
0.50 to 0.51
Volatility
59.07% to 113.93%
92.19% to 95.74%
Schedule of Stock Option Activity
A summary of the Company’s stock options activity is as follows:
Number of Options
(in thousands)		Weighted-Average Exercise PriceWeighted-Average Remaining Contractual Term (in years)Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 20252,718 $19.39 
Exercised(100)18.76 
Canceled(200)$18.76 
Outstanding at September 30, 20262,418 $19.48 6.6$171,263 
Vested and expected to vest at September 30, 20262,348 $19.47 6.6$166,332 
Exercisable at September 30, 2026949 $19.22 5.5$67,492