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Goodwill and Other Intangible Assets, Net (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 29, 2026 | Dec. 28, 2025
Goodwill and Other Intangible Assets, Net [Abstract] |  |
Schedule of Goodwill | Goodwill as of March 29, 2026 and December 28, 2025 was as follows (in thousands):
|  | Residential Solar Installation |  |  | New Homes |  |  | Dealer |  |  | Total |
Balance as of December 28, 2025 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ | 30,808 |  |  |  | — |  |  | $ | 31,822 |  |  | $ | 62,630 |
Accumulated impairment losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 30,808 |  |  |  | — |  |  |  | 31,822 |  |  |  | 62,630 |
Measurement period adjustments |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Goodwill acquired in business combinations |  |  | — |  |  |  | 12,977 |  |  |  | — |  |  |  | 12,977 |
Balance as of March 29, 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 30,808 |  |  |  | 12,977 |  |  |  | 31,822 |  |  |  | 75,607 |
Accumulated impairment losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 30,808 |  |  | $ | 12,977 |  |  | $ | 31,822 |  |  | $ | 75,607 |
| Goodwill as of and for the fiscal years ended December 28, 2025 and December 29, 2024 is as follows (in thousands):
|  | Residential Solar Installation |  |  | New Homes |  |  | Dealer |  |  | Total |
Balance as of December 31, 2023 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Goodwill acquired in business combinations |  |  | 18,276 |  |  |  | 200 |  |  |  | — |  |  |  | 18,476 |
Impairment losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Balance as of December 29, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 18,276 |  |  |  | 200 |  |  |  | — |  |  |  | 18,476 |
Accumulated impairment losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  |  | 18,276 |  |  |  | 200 |  |  |  | — |  |  |  | 18,476 |
Measurement period adjustments |  |  | (18,276 | ) |  |  | (200 | ) |  |  | — |  |  |  | (18,476 | )
Goodwill acquired in business combinations |  |  | 30,808 |  |  |  | — |  |  |  | 31,822 |  |  |  | 62,630 |
Impairment losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Balance as of December 28, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | 30,808 |  |  |  | — |  |  |  | 31,822 |  |  |  | 62,630 |
Accumulated impairment losses |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 30,808 |  |  | $ | — |  |  | $ | 31,822 |  |  | $ | 62,630 |
Schedule of Intangible Assets with Finite Useful Lives | The following tables present intangible assets with finite useful lives as of March 29, 2026 and December 28, 2025 (in thousands):
As of March 29, 2026 |  | Gross Carrying Amount(1) |  |  | Accumulated Amortization |  |  | Net Book Value |
Customer related intangibles |  | $ | 35,100 |  |  | $ | (4,948 | ) |  | $ | 30,152 |
Trademarks |  |  | 20,394 |  |  |  | (2,351 | ) |  |  | 18,043 |
Developed technology |  |  | 5,300 |  |  |  | (2,450 | ) |  |  | 2,850 |
Lease intangible asset |  |  | 771 |  |  |  | — |  |  |  | 771 |
Total |  | $ | 61,565 |  |  | $ | (9,749 | ) |  | $ | 51,816 |
As of December 28, 2025 |  | Gross Carrying Amount(1) |  |  | Accumulated Amortization |  |  | Net Book Value |
Customer related intangibles |  | $ | 34,000 |  |  | $ | (3,198 | ) |  | $ | 30,802 |
Trademarks |  |  | 18,394 |  |  |  | (1,707 | ) |  |  | 16,687 |
Developed technology |  |  | 5,300 |  |  |  | (1,975 | ) |  |  | 3,325 |
Total |  | $ | 57,694 |  |  | $ | (6,880 | ) |  | $ | 50,814 |
| The following tables present intangible assets with finite useful lives as of December 28, 2025 and December 29, 2024 (in thousands):
As of December 28, 2025 |  | Gross Carrying Amount(1) |  |  | Accumulated Amortization |  |  | Net Book Value |
Customer related intangibles |  | $ | 34,000 |  |  | $ | (3,198 | ) |  | $ | 30,802 |
Trademarks |  |  | 18,394 |  |  |  | (1,707 | ) |  |  | 16,687 |
Developed technology |  |  | 5,300 |  |  |  | (1,975 | ) |  |  | 3,325 |
Total |  | $ | 57,694 |  |  | $ | (6,880 | ) |  | $ | 50,814 |
As of December 29, 2024 |  | Gross Carrying Amount(1) |  |  | Accumulated Amortization |  |  | Net Book Value |
Trademarks |  | $ | 13,600 |  |  | $ | (340 | ) |  | $ | 13,260 |
Developed technology |  |  | 4,500 |  |  |  | (375 | ) |  |  | 4,125 |
Total |  | $ | 18,100 |  |  | $ | (715 | ) |  | $ | 17,385 |
(1) | The gross carrying amounts as of December 28, 2025 reflect the final allocation of the purchase consideration in connection with the SunPower Businesses. The gross carrying amounts as of December 29, 2024 were provisional amounts. As a result of the measurement period adjustment to the intangible assets of the SunPower Businesses, amortization expense was $1.4 million lower in the fiscal year ended December 28, 2025.
Schedule of Weighted Average Remaining Life of Intangible Assets |  | The following tables present the weighted average remaining life of these intangible assets as of December 28, 2025 and December 29, 2024 (in years).
|  | As of |
|  | December 28, |  |  | December 29, |
|  | 2025 |  |  | 2024 |
Customer relationships |  |  | 18.4 |  |  |  | — |
Trademarks |  |  | 7.5 |  |  |  | 7.8 |
Developed technology |  |  | 3.0 |  |  |  | 3.0 |
Schedule of Amortization Expense of Intangible Assets with Finite Useful Lives |  | The estimated remaining amortization expense of intangible assets with finite useful lives is as follows (in thousands):
Fiscal Year |  | Estimated Amortization Expense |
2026 |  | $ | 8,501 |
2027 |  |  | 6,234 |
2028 |  |  | 4,809 |
2029 |  |  | 4,809 |
2030 |  |  | 4,809 |
Thereafter |  |  | 21,652 |
Total |  | $ | 50,814 |

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