GTBP EFFECT: Shelf registration

GT Biopharma

Filed with the SEC on · accession 9999999995-26-003305

GTBP filed a EFFECT (effect) with the SEC on Oct 20, 2026. GT Biopharma filed an EFFECT notice indicating the SEC declared a registration statement effective. The stock moved +9.3% by the first close after the filing.

Summary of the filing

GT Biopharma filed an EFFECT notice indicating the SEC declared a registration statement effective. The filing is a routine administrative notice with no substantive details on the underlying offering.

Key details

RegistrantGT Biopharma, Inc.

How GTBP stock reacted

Close before

$6.69

Oct 19, 2026

First close after

+9.27%

$7.31

5 trading days

-24.22%

$5.07

Since filing

-40.06%

$4.01

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Frequently asked questions

What did GTBP file with the SEC on Oct 20, 2026?

GTBP filed a EFFECT (Shelf registration). GT Biopharma filed an EFFECT notice indicating the SEC declared a registration statement effective. The filing is a routine administrative notice with no substantive details on the underlying offering.

What does a shelf registration mean for GTBP stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a EFFECT?

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 EFFECT (effect): A report the company filed with the SEC (the US market regulator).

How did GTBP stock react to this filing?

GTBP closed at $6.69 before the filing and $7.31 on Oct 20, 2026 (+9.27%). Five trading days later: $5.07 (-24.22%).

Other GTBP SEC filings

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