SunPower Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 28,2025

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number 001-40117

SUNPOWER INC.

(Exact Name of Registrant as Specified in Its Charter)

45700 Northport Loop East, Fremont, CA 94538

(Address of Principal Executive Offices) (Zip Code)

(510) 270-2507

‎(Registrant’s telephone number, including area code)

COMPLETE SOLARIA, INC.

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark whether the Registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities ‎Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the Registrant was required to file such reports), ‎and (2) has been subject to such filing requirements for the past 90 days‎ Yes ☐No ☒

Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted ‎pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the ‎Registrant was required to submit such files).‎Yes ☒ No ☐

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller ‎reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller ‎reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.‎

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for ‎complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.‎☐

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of ‎the Act).‎‎ Yes ☐ No☒

As of December 18, 2025,107,621,272 shares of common stock, par value $0.0001 per share, were issued and outstanding.

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