TRAX 424B3: Secondary offering

First Tracks Biotherapeutics

Filed with the SEC on · accession 0001193125-26-447205

TRAX filed a 424B3 (prospectus (offering)) with the SEC on Nov 4, 2026. First Tracks Biotherapeutics filed a prospectus supplement (424B3) relating to the resale of up to 10,497,054 shares of common stock by selling stockholders, incorporating its Q3 2026 Form 10-Q. The stock moved +5.8% by the first close after the filing.

Summary of the filing

First Tracks Biotherapeutics filed a prospectus supplement (424B3) relating to the resale of up to 10,497,054 shares of common stock by selling stockholders, incorporating its Q3 2026 Form 10-Q. The company will not receive any proceeds from the resale.

Key details

Maximum resale shares offered by selling stockholders$10.5M
IssuerFirst Tracks Biotherapeutics, Inc.

How TRAX stock reacted

Close before

$46.34

Nov 3, 2026

First close after

+5.83%

$49.04

5 trading days

—

Since filing

+3.37%

$47.90

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Frequently asked questions

What did TRAX file with the SEC on Nov 4, 2026?

TRAX filed a 424B3 (Secondary offering). First Tracks Biotherapeutics filed a prospectus supplement (424B3) relating to the resale of up to 10,497,054 shares of common stock by selling stockholders, incorporating its Q3 2026 Form 10-Q. The company will not receive any proceeds from the resale.

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 $46.34 before the filing and $49.04 on Nov 4, 2026 (+5.83%).

Other TRAX SEC filings

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