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CSLR 424B3: SEC filing

SunPower Inc.

Filed with the SEC on · accession 0001213900-26-101063

CSLR filed a 424B3 (prospectus (offering)) with the SEC on Sep 18, 2026. SunPower Inc. filed a prospectus supplement registering up to 55,088,493 shares of common stock for resale by selling securityholders, including shares issuable upon conversion of convertible notes and exchange shares.

Summary of the filing

SunPower Inc. filed a prospectus supplement registering up to 55,088,493 shares of common stock for resale by selling securityholders, including shares issuable upon conversion of convertible notes and exchange shares. Additionally, the company disclosed the departure of board member Jamie Haenggi in an accompanying 8-K filing.

For details, click here →How to read a 424B3 →

Key details

Shares of common stock registered for resale$55.1M
Conversion shares from 10.0% convertible senior secured notes due 2029$36.3M
Exchange shares issued pursuant to Exchange Agreements$18.8M
Closing price of common stock on September 16, 2026$0
FilerSunPower Inc.
Board memberJamie Haenggi

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Frequently asked questions

What did CSLR file with the SEC on Sep 18, 2026?

CSLR filed a 424B3 (SEC filing). SunPower Inc. filed a prospectus supplement registering up to 55,088,493 shares of common stock for resale by selling securityholders, including shares issuable upon conversion of convertible notes and exchange shares. Additionally, the company disclosed the departure of board member Jamie Haenggi in an accompanying 8-K filing.

How do I read a 424B3?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.

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