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TENX SCHEDULE 13G/A: SEC filing

An institutional holder

Filed with the SEC on · accession 0001943462-26-000008

TENX filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 9, 2026. An institutional holder filed an amended Schedule 13G for Tenax Therapeutics, indicating a change in passive ownership position. The stock moved +0.5% by the first close after the filing.

Summary of the filing

An institutional holder filed an amended Schedule 13G for Tenax Therapeutics, indicating a change in passive ownership position. The filing includes an exhibit but no specific ownership percentages are disclosed in the provided text.

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Key details

IssuerTenax Therapeutics, Inc.

How TENX stock reacted

Close before

$1.86

Oct 8, 2026

First close after

+0.54%

$1.87

5 trading days

-18.82%

$1.51

Since filing

-9.14%

$1.69

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Frequently asked questions

What did TENX file with the SEC on Oct 9, 2026?

TENX filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G for Tenax Therapeutics, indicating a change in passive ownership position. The filing includes an exhibit but no specific ownership percentages are disclosed in the provided text.

How do I read a SCHEDULE 13G/A?

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

How did TENX stock react to this filing?

TENX closed at $1.86 before the filing and $1.87 on Oct 9, 2026 (+0.54%). Five trading days later: $1.51 (-18.82%).

Other TENX SEC filings

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