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Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 26, 2025
Stockholders' Equity Note [Abstract] |
Schedule of Compensation Cost | The cost that has been charged against income for stock-based compensation is set forth below (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 26, 2025 |  |  | September 27, 2024 |  |  | September 26, 2025 |  |  | September 27, 2024 |
Employee stock options |  | $ | 1,566 |  |  | $ | 3,592 |  |  | $ | 5,611 |  |  | $ | 10,283 |
Restricted stock |  |  | — |  |  |  | 156 |  |  |  | 302 |  |  |  | 354 |
RSUs |  |  | 3,382 |  |  |  | 3,150 |  |  |  | 9,690 |  |  |  | 8,493 |
PSUs |  |  | 2,478 |  |  |  | 115 |  |  |  | 5,085 |  |  |  | 2,919 |
Nonemployee stock options |  |  | 124 |  |  |  | 137 |  |  |  | 426 |  |  |  | 429 |
Nonemployee RSUs |  |  | 608 |  |  |  | 10 |  |  |  | 861 |  |  |  | 63 |
Total stock-based compensation expense |  | $ | 8,158 |  |  | $ | 7,160 |  |  | $ | 21,975 |  |  | $ | 22,541 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The Company recorded stock-based compensation costs in the following categories (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 26, 2025 |  |  | September 27, 2024 |  |  | September 26, 2025 |  |  | September 27, 2024 |
Cost of sales |  | $ | 48 |  |  | $ | 303 |  |  | $ | 428 |  |  | $ | 964 |
General and administrative |  |  | 5,026 |  |  |  | 3,621 |  |  |  | 12,352 |  |  |  | 11,677 |
Selling and marketing |  |  | 1,492 |  |  |  | 1,213 |  |  |  | 4,078 |  |  |  | 3,742 |
Research and development |  |  | 1,592 |  |  |  | 2,023 |  |  |  | 5,117 |  |  |  | 6,158 |
Total stock-based compensation expense, net |  |  | 8,158 |  |  |  | 7,160 |  |  |  | 21,975 |  |  |  | 22,541 |
Amounts capitalized as part of inventory |  |  | 64 |  |  |  | 361 |  |  |  | 568 |  |  |  | 1,138 |
Total stock-based compensation expense, gross |  | $ | 8,222 |  |  | $ | 7,521 |  |  | $ | 22,543 |  |  | $ | 23,679 |
Schedule of Unrecognized Compensation Cost, Non-Vested Stock-Based Compensation Arrangements | As of September 26, 2025, total unrecognized compensation cost related to non-vested stock-based compensation arrangements were as follows (in thousands):
|  | September 26, 2025 |
Stock options |  | $ | 7,016 |
RSUs and PSUs |  |  | 34,050 |
Total unrecognized stock-based compensation cost |  | $ | 41,066 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The risk-free rate is based on the U.S. Treasury yield curve corresponding to the expected term at the time of the grant.
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 26, 2025 |  |  | September 27, 2024 |  |  | September 26, 2025 |  |  | September 27, 2024 |
Expected dividend yield |  |  | 0 | % |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Expected volatility |  |  | 60 | % |  |  | 59 | % |  |  | 60 | % |  |  | 59 | %
Risk-free interest rate |  |  | 3.83 | % |  |  | 3.70 | % |  |  | 4.07 | % |  |  | 4.17 | %
Expected term (in years) |  |  | 5.05 |  |  |  | 5.29 |  |  |  | 5.05 |  |  |  | 5.29 |
Schedule of Share-based Compensation, Stock Options, Activity | A summary of stock option activity under the Equity Plan for the nine months ended September 26, 2025 is presented below:
|  | Stock Options (in 000’s) |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term (years) |  |  | Aggregate Intrinsic Value (in 000’s) |
Outstanding at December 27, 2024 |  |  | 2,808 |  |  | $ | 45.72 |  |  |  |  |  |  |
Granted |  |  | 121 |  |  |  | 18.22 |  |  |  |  |  |  |
Exercised |  |  | (210 | ) |  |  | 15.99 |  |  |  |  |  |  |
Forfeited or expired |  |  | (870 | ) |  |  | 50.16 |  |  |  |  |  |  |
Outstanding at September 26, 2025 |  |  | 1,849 |  |  | $ | 45.15 |  |  |  | 6.02 |  |  | $ | 3,284 |
Exercisable at September 26, 2025 |  |  | 1,423 |  |  | $ | 48.45 |  |  |  | 5.26 |  |  | $ | 2,269 |
Schedule of Share-based Compensation, Restricted Stock, RSU and PSU Activity | A summary of restricted stock, RSU and PSU activity under the Equity Plan for the nine months ended September 26, 2025 is presented below (shares in thousands):
|  | Restricted Stock |  |  | RSUs |  |  | PSUs |
Unvested at December 27, 2024 |  |  | 16 |  |  |  | 695 |  |  |  | 406 |
Granted |  |  | — |  |  |  | 1,274 |  |  |  | 849 |
Vested |  |  | (16 | ) |  |  | (277 | ) |  |  | (20 | )
Forfeited or expired |  |  | — |  |  |  | (186 | ) |  |  | (433 | )
Unvested at September 26, 2025 |  |  | — |  |  |  | 1,506 |  |  |  | 802 |

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