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TRAX SCHEDULE 13G: SEC filing

Sirenia Capital Management LP and Alex Silverstein

Filed with the SEC on · accession 0000919574-26-005204

TRAX filed a SCHEDULE 13G (schedule 13g) with the SEC on Aug 14, 2026. Sirenia Capital Management LP and Alex Silverstein filed a joint Schedule 13G disclosing a passive ownership stake in First Tracks Biotherapeutics, Inc. (TRAX). The stock moved +0.0% by the first close after the filing.

Summary of the filing

Sirenia Capital Management LP and Alex Silverstein filed a joint Schedule 13G disclosing a passive ownership stake in First Tracks Biotherapeutics, Inc. (TRAX). The filing includes a joint filing agreement dated August 14, 2026.

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Key details

Filer / potential beneficial ownerSirenia Capital Management LP
IssuerFirst Tracks Biotherapeutics, Inc.
General counsel & chief compliance officer, sirenia capital management lpKolby Loft
Individual filerAlex Silverstein

How TRAX stock reacted

Close before

$44.03

Aug 13, 2026

First close after

+0.02%

$44.04

5 trading days

-4.84%

$41.90

Since filing

+8.79%

$47.90

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Frequently asked questions

What did TRAX file with the SEC on Aug 14, 2026?

TRAX filed a SCHEDULE 13G (SEC filing). Sirenia Capital Management LP and Alex Silverstein filed a joint Schedule 13G disclosing a passive ownership stake in First Tracks Biotherapeutics, Inc. (TRAX). The filing includes a joint filing agreement dated August 14, 2026.

How do I read a SCHEDULE 13G?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

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 SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did TRAX stock react to this filing?

TRAX closed at $44.03 before the filing and $44.04 on Aug 14, 2026 (+0.02%). Five trading days later: $41.90 (-4.84%).

Other TRAX SEC filings

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