ALLO SCHEDULE 13G/A: SEC filing

An institutional holder

Filed with the SEC on Oct 27, 2026 · accession 0002012383-26-003872

ALLO filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Oct 27, 2026. An institutional holder filed an amended Schedule 13G for Allogene Therapeutics, indicating a change in passive ownership position. The stock moved +1.7% by the first close after the filing.

Summary of the filing

An institutional holder filed an amended Schedule 13G for Allogene Therapeutics, indicating a change in passive ownership position. The filing text does not disclose specific ownership percentages or share counts.

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Key details

IssuerAllogene Therapeutics, Inc.

How ALLO stock reacted

Close before

$1.21

Oct 26, 2026

First close after

+1.65%

$1.23

5 trading days

-9.92%

$1.09

Since filing

-9.92%

$1.09

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Frequently asked questions

What did ALLO file with the SEC on Oct 27, 2026?

ALLO filed a SCHEDULE 13G/A (SEC filing). An institutional holder filed an amended Schedule 13G for Allogene Therapeutics, indicating a change in passive ownership position. The filing text does not disclose specific ownership percentages or share counts.

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 ALLO stock react to this filing?

ALLO closed at $1.21 before the filing and $1.23 on Oct 27, 2026 (+1.65%). Five trading days later: $1.09 (-9.92%).

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