AVTX 424B3: Secondary offering

Avalo Therapeutics

Filed with the SEC on · accession 0001104659-26-087573

AVTX filed a 424B3 (prospectus (offering)) with the SEC on Jul 28, 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

Avalo Therapeutics filed a prospectus for the sale of up to 128,189 shares of common stock by selling stockholders, who are former stockholders of AlmataBio, Inc. The company will not receive any proceeds from the sale.

Key details

Shares offered by selling stockholders$128K
Last reported sale price per share$20
IssuerAvalo Therapeutics, Inc.
Acquired companyAlmataBio, Inc.

How AVTX stock reacted

Close before

$19.50

Jul 27, 2026

First close after

+0.10%

$19.52

5 trading days

-7.44%

$18.05

Since filing

-66.00%

$6.63

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Frequently asked questions

What did AVTX file with the SEC on Jul 28, 2026?

AVTX filed a 424B3 (Secondary offering). Avalo Therapeutics filed a prospectus for the sale of up to 128,189 shares of common stock by selling stockholders, who are former stockholders of AlmataBio, Inc. The company will not receive any proceeds from the sale.

What does a secondary offering mean for AVTX 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.

How did AVTX stock react to this filing?

AVTX closed at $19.50 before the filing and $19.52 on Jul 28, 2026 (+0.10%). Five trading days later: $18.05 (-7.44%).

Other AVTX SEC filings

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