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TRAX 424B3: Secondary offering

First Tracks Biotherapeutics

Filed with the SEC on · accession 0001193125-26-349146

TRAX filed a 424B3 (prospectus (offering)) with the SEC on Aug 13, 2026. First Tracks Biotherapeutics filed a prospectus supplement for the resale of up to 10,497,054 shares of common stock by selling stockholders. The stock moved -4.6% by the first close after the filing.

Summary of the filing

First Tracks Biotherapeutics filed a prospectus supplement for the resale of up to 10,497,054 shares of common stock by selling stockholders. The company will not receive any proceeds from the sale.

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

Key details

Shares offered for resale$10.5M
IssuerFirst Tracks Biotherapeutics, Inc.

How TRAX stock reacted

Close before

$46.13

Aug 12, 2026

First close after

-4.55%

$44.03

5 trading days

-1.37%

$45.50

Since filing

+3.84%

$47.90

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Frequently asked questions

What did TRAX file with the SEC on Aug 13, 2026?

TRAX filed a 424B3 (Secondary offering). First Tracks Biotherapeutics filed a prospectus supplement for the resale of up to 10,497,054 shares of common stock by selling stockholders. The company will not receive any proceeds from the sale.

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

TRAX closed at $46.13 before the filing and $44.03 on Aug 13, 2026 (-4.55%). Five trading days later: $45.50 (-1.37%).

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