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CSLR 424B3: Secondary offering

SunPower Inc.

Filed with the SEC on · accession 0001213900-26-101065

CSLR filed a 424B3 (prospectus (offering)) with the SEC on Sep 18, 2026. SunPower Inc. filed a prospectus supplement registering up to 45,571,137 shares of common stock for resale by selling securityholders, consisting of shares issued in exchange for interest payments on convertible notes and shares issued under forward purchase agreements.

Summary of the filing

SunPower Inc. filed a prospectus supplement registering up to 45,571,137 shares of common stock for resale by selling securityholders, consisting of shares issued in exchange for interest payments on convertible notes and shares issued under forward purchase agreements. The company will not receive any proceeds from the sales.

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

Key details

Total shares registered for resale$45.6M
Cash interest exchanged for shares$10.7M
Closing stock price on September 16, 2026$0
IssuerSunPower Inc.

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Frequently asked questions

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

CSLR filed a 424B3 (Secondary offering). SunPower Inc. filed a prospectus supplement registering up to 45,571,137 shares of common stock for resale by selling securityholders, consisting of shares issued in exchange for interest payments on convertible notes and shares issued under forward purchase agreements. The company will not receive any proceeds from the sales.

What does a secondary offering mean for CSLR stock?

New shares dilute existing holders and are often sold at a discount to the market price.

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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