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HTO 424B5: Shelf registration

H2O America

Filed with the SEC on · accession 0001104659-26-121330

HTO filed a 424B5 (prospectus (offering)) with the SEC on Nov 2, 2026. H2O America filed a 424B5 prospectus supplement under its existing S-3 shelf registration (File No. 333-282881). The stock moved +2.4% by the first close after the filing.

Summary of the filing

H2O America filed a 424B5 prospectus supplement under its existing S-3 shelf registration (File No. 333-282881). The filing is an XBRL fee exhibit submission, indicating a takedown of securities from the shelf.

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

Key details

IssuerH2O America

How HTO stock reacted

Close before

$59.74

Oct 30, 2026

First close after

+2.43%

$61.19

5 trading days

+5.37%

$62.95

Since filing

+5.37%

$62.95

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Frequently asked questions

What did HTO file with the SEC on Nov 2, 2026?

HTO filed a 424B5 (Shelf registration). H2O America filed a 424B5 prospectus supplement under its existing S-3 shelf registration (File No. 333-282881). The filing is an XBRL fee exhibit submission, indicating a takedown of securities from the shelf.

What does a shelf registration mean for HTO 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 HTO stock react to this filing?

HTO closed at $59.74 before the filing and $61.19 on Nov 2, 2026 (+2.43%). Five trading days later: $62.95 (+5.37%).

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