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WPRT 424B3: SEC filing

Aetherion Technologies Inc. (formerly Westport Fuel Systems)

Filed with the SEC on · accession 0001370416-26-000032

WPRT filed a 424B3 (prospectus (offering)) with the SEC on Nov 12, 2026. The final terms of an offering of shares or bonds.

Summary of the filing

Aetherion Technologies Inc. (formerly Westport Fuel Systems) filed a prospectus supplement (424B3) to update its F-1 registration statement with its Q3 2026 financial results via a Form 6-K, reporting a sharp decline in revenue and a net loss for the period.

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

Key details

Cash and cash equivalents$14.5M
Revenue for nine months ended September 30, 2026$7.6M
Revenue for nine months ended September 30, 2025$21.4M
Net loss for nine months ended September 30, 2026 (implied from accumulated deficit change)$20.1M
RegistrantAetherion Technologies Inc.
Chief financial officerElizabeth Owens

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Frequently asked questions

What did WPRT file with the SEC on Nov 12, 2026?

WPRT filed a 424B3 (SEC filing). Aetherion Technologies Inc. (formerly Westport Fuel Systems) filed a prospectus supplement (424B3) to update its F-1 registration statement with its Q3 2026 financial results via a Form 6-K, reporting a sharp decline in revenue and a net loss for the period.

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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