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TXNM 424B5: Secondary offering

TXNM Energy, Inc.

Filed with the SEC on · accession 0001108426-26-000053

TXNM filed a 424B5 (prospectus (offering)) with the SEC on Aug 31, 2026. The final terms of an offering of shares or bonds. The stock moved -0.1% by the first close after the filing.

Summary of the filing

TXNM Energy, Inc. filed a preliminary prospectus supplement for a $400 million offering of common stock, with Wells Fargo Securities as the underwriter.

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

Key details

Total offering amount$400.0M
IssuerTXNM Energy, Inc.
UnderwriterWells Fargo Securities

How TXNM stock reacted

Close before

$57.64

Aug 28, 2026

First close after

-0.05%

$57.61

5 trading days

+0.62%

$58.00

Since filing

+1.01%

$58.22

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Frequently asked questions

What did TXNM file with the SEC on Aug 31, 2026?

TXNM filed a 424B5 (Secondary offering). TXNM Energy, Inc. filed a preliminary prospectus supplement for a $400 million offering of common stock, with Wells Fargo Securities as the underwriter.

What does a secondary offering mean for TXNM 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 TXNM stock react to this filing?

TXNM closed at $57.64 before the filing and $57.61 on Aug 31, 2026 (-0.05%). Five trading days later: $58.00 (+0.62%).

Other TXNM SEC filings

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