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OPTT 424B5: Shelf registration

Ocean Power Technologies

Filed with the SEC on · accession 0001493152-26-047060

OPTT filed a 424B5 (prospectus (offering)) with the SEC on Oct 14, 2026. Ocean Power Technologies filed a 424B5 resale prospectus covering 366,162 shares of common stock issued to Columbia Power Technologies as consideration for an asset acquisition in June/July 2026. The stock moved -8.4% by the first close after the filing.

Summary of the filing

Ocean Power Technologies filed a 424B5 resale prospectus covering 366,162 shares of common stock issued to Columbia Power Technologies as consideration for an asset acquisition in June/July 2026. The company will not receive any proceeds from the selling stockholder's resale of these shares.

For details, click here →How to read a 424B5 →

Key details

Shares of common stock registered for resaleshares 366K
Last reported sale price per share on September 22, 2026$2
IssuerOcean Power Technologies, Inc.
Selling stockholder; asset sellerColumbia Power Technologies, Inc.

How OPTT stock reacted

Close before

$0.72

Oct 13, 2026

First close after

-8.45%

$0.66

5 trading days

-23.83%

$0.55

Since filing

-47.65%

$0.38

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Frequently asked questions

What did OPTT file with the SEC on Oct 14, 2026?

OPTT filed a 424B5 (Shelf registration). Ocean Power Technologies filed a 424B5 resale prospectus covering 366,162 shares of common stock issued to Columbia Power Technologies as consideration for an asset acquisition in June/July 2026. The company will not receive any proceeds from the selling stockholder's resale of these shares.

What does a shelf registration mean for OPTT stock?

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

How do I read a 424B5?

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 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did OPTT stock react to this filing?

OPTT closed at $0.72 before the filing and $0.66 on Oct 14, 2026 (-8.45%). Five trading days later: $0.55 (-23.83%).

Other OPTT SEC filings

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