LONA SCHEDULE 13G: SEC filing

A Schedule 13G was

Filed with the SEC on Nov 4, 2026 · accession 0001172661-26-004856

LONA filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 4, 2026. A Schedule 13G was filed regarding LeonaBio, Inc. (LONA), indicating a passive ownership position by an institutional or other holder. The stock moved -4.3% by the first close after the filing.

Summary of the filing

A Schedule 13G was filed regarding LeonaBio, Inc. (LONA), indicating a passive ownership position by an institutional or other holder. The filing text provided contains only the EDGAR directory listing and no substantive ownership details.

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Key details

IssuerLeonaBio, Inc.

How LONA stock reacted

Close before

$4.77

Nov 3, 2026

First close after

-4.30%

$4.57

5 trading days

—

Since filing

-7.44%

$4.42

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Frequently asked questions

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

LONA filed a SCHEDULE 13G (SEC filing). A Schedule 13G was filed regarding LeonaBio, Inc. (LONA), indicating a passive ownership position by an institutional or other holder. The filing text provided contains only the EDGAR directory listing and no substantive ownership details.

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 LONA stock react to this filing?

LONA closed at $4.77 before the filing and $4.57 on Nov 4, 2026 (-4.30%).

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