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Goodwill and Other Intangible Assets, Net | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 29, 2026 | Dec. 28, 2025
Goodwill and Other Intangible Assets, Net [Abstract] |  |
Goodwill and Other Intangible Assets, Net | (7) Goodwill and Other Intangible Assets, Net Goodwill On February 2, 2026, the Company completed the acquisition of Cobalt and assigned provisional goodwill of $9.3 million to the New Homes reportable segment. 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 |
Intangible Assets, Net 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 |
Aggregate amortization expense for intangible assets was $2.9 million and $0.7 million in the thirteen week periods ended March 29, 2026 and March 30, 2025, respectively. Amortization expense for developed technology is classified in cost of revenues and all other amortization expense is classified in general and administrative expenses on the Company’s unaudited condensed consolidated statements of operations and comprehensive income. | (7) Intangible Assets, Net and Goodwill Goodwill On September 30, 2024, the Company completed the acquisition of the SunPower Businesses. As of December 29, 2024, the Company had assigned provisional goodwill of $18.3 million to the Residential Solar Installation reportable segment and $0.2 million to the New Homes Businesses reportable segment. Upon finalization of the fair values in fiscal 2025 related to the SunPower Businesses, the Company concluded that the purchase price did not include any excess purchase price over the fair value of net assets acquired related to the SunPower Businesses acquired. On September 24, 2025, the Company completed the acquisition of Sunder and assigned provisional goodwill of $31.8 million from this acquisition to the Dealer reportable segment. On November 21, 2025, the Company completed the acquisition of Ambia and assigned provisional goodwill of $30.8 million from this acquisition to the Residential Solar Installation reportable segment. 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 |
(1) | Subsequent to December 29, 2024, the Company recognized a measurement period adjustment attributable to the net assets of the SunPower Businesses acquired resulting in a measurement period adjustment that eliminated the goodwill provisionally recorded in fiscal 2024. The acquisitions of Sunder and Ambia account for the balance in goodwill as of December 28, 2025 as described above.
The Company performed a qualitative assessment of goodwill and determined that at the acquisition date and the date at which the Company performed an impairment analysis, there were no relevant events or circumstances that would result in the fair value of a reportable unit being less than its carrying amount. Intangible Assets, Net 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.
Aggregate amortization expense for intangible assets was $6.2 million and $0.7 million for the fiscal years ended December 28, 2025, and December 29, 2024, respectively. Amortization expense for developed technology is classified in cost of revenues and all other amortization expense is classified in general and administrative expenses on the Company’s consolidated statements of operations and comprehensive loss. 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 |
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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- Definition The entire disclosure for intangible asset. Includes, but is not limited to, finite- and indefinite-lived intangible assets, capitalized cost for internal-use software and software to be sold, leased, or marketed. Excludes goodwill. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-4 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/985-20/tableOfContent + Details
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