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Stock-Based Compensation (Tables) | 9 Months Ended
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Oct. 03, 2025
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | For the nine months ended October 3, 2025, stock option activity was as follows:
|  | Stock Options |
|  | Number of shares |  |  | Weighted average exercise price per share |  |  | Weighted average grant date fair value |  |  | Weighted average years of remaining contractual term |
Outstanding as of January 3, 2025 |  |  | 3,337,150 |  |  | $ | 1.26 |  |  | $ | 0.66 |  |  |  | 6.3 |
Exercised |  |  | (1,261,626 | ) |  |  | 1.26 |  |  |  | 0.66 |  |  |  | — |
Forfeited & expired |  |  | (211,105 | ) |  |  | 1.26 |  |  |  | 0.66 |  |  |  | — |
Outstanding as of October 3, 2025 |  |  | 1,864,419 |  |  |  | 1.26 |  |  |  | 0.66 |  |  |  | 5.6 |
Exercisable as of October 3, 2025 |  |  | 1,864,419 |  |  | $ | 1.26 |  |  | $ | 0.66 |  |  |  | 5.6 |
Summary of Unvested Restricted Stock Units | The following table summarizes the activities for unvested Shimmick restricted stock units for the nine months ended October 3, 2025:
|  | Restricted Stock Units |
|  | Number of shares |  |  | Weighted average grant date fair value |
Unvested as of January 3, 2025 |  |  | 2,617,110 |  |  | $ | 2.88 |
Awarded |  |  | 644,124 |  |  |  | 1.59 |
Forfeited |  |  | — |  |  |  | — |
Vested |  |  | (1,484,789 | ) |  |  | 2.75 |
Unvested as of October 3, 2025 |  |  | 1,776,445 |  |  | $ | 2.52 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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